{"id":6114,"date":"2026-06-18T12:21:20","date_gmt":"2026-06-18T12:21:20","guid":{"rendered":"https:\/\/cloudsave.app\/knowledge-base\/calculate-rto-and-rpo-databases\/"},"modified":"2026-06-18T12:40:33","modified_gmt":"2026-06-18T12:40:33","slug":"%cf%85%cf%80%ce%bf%ce%bb%ce%bf%ce%b3%ce%b9%cf%83%ce%bc%cf%8c%cf%82-rto-%ce%ba%ce%b1%ce%b9-rpo-%ce%b3%ce%b9%ce%b1-%ce%b2%ce%ac%cf%83%ce%b5%ce%b9%cf%82-%ce%b4%ce%b5%ce%b4%ce%bf%ce%bc%ce%ad%ce%bd%cf%89","status":"publish","type":"post","link":"https:\/\/cloudsave.app\/el\/knowledge-base\/%cf%85%cf%80%ce%bf%ce%bb%ce%bf%ce%b3%ce%b9%cf%83%ce%bc%cf%8c%cf%82-rto-%ce%ba%ce%b1%ce%b9-rpo-%ce%b3%ce%b9%ce%b1-%ce%b2%ce%ac%cf%83%ce%b5%ce%b9%cf%82-%ce%b4%ce%b5%ce%b4%ce%bf%ce%bc%ce%ad%ce%bd%cf%89\/","title":{"rendered":"\u03a5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc\u03c2 RTO \u03ba\u03b1\u03b9 RPO \u03b3\u03b9\u03b1 \u03b2\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03b7\u03c2 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1\u03c2: \u0388\u03bd\u03b1\u03c2 \u03bf\u03b4\u03b7\u03b3\u03cc\u03c2 \u03b3\u03b9\u03b1 DBA"},"content":{"rendered":"<p>\u0393\u03b9\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03bf\u03cd\u03c2 DevOps, \u03c4\u03bf\u03c5\u03c2 \u0394\u03b9\u03b1\u03c7\u03b5\u03b9\u03c1\u03b9\u03c3\u03c4\u03ad\u03c2 \u0392\u03ac\u03c3\u03b5\u03c9\u03bd \u0394\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd (DBAs) \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03b1\u03c1\u03c7\u03b9\u03c4\u03ad\u03ba\u03c4\u03bf\u03bd\u03b5\u03c2 \u03c3\u03c5\u03c3\u03c4\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03b9\u03ba\u03ae\u03c2, \u03bf \u03a3\u03c4\u03cc\u03c7\u03bf\u03c2 \u03a7\u03c1\u03cc\u03bd\u03bf\u03c5 \u0391\u03c0\u03bf\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 (RTO) \u03ba\u03b1\u03b9 \u03bf \u03a3\u03c4\u03cc\u03c7\u03bf\u03c2 \u03a3\u03b7\u03bc\u03b5\u03af\u03bf\u03c5 \u0391\u03c0\u03bf\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 (RPO) \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03ac\u03c4\u03b9 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc \u03b1\u03c0\u03bb\u03bf\u03af \u03cc\u03c1\u03bf\u03b9 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1\u03c2\u2014\u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c5\u03c3\u03c4\u03b7\u03c1\u03bf\u03af \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03bf\u03af \u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03bf\u03af. \u039a\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c7\u03b5\u03af\u03c1\u03b9\u03c3\u03b7 \u03b2\u03ac\u03c3\u03b5\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03b7\u03c2 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1\u03c2, \u03b7 \u03b1\u03c0\u03bf\u03c4\u03c5\u03c7\u03af\u03b1 \u03b1\u03ba\u03c1\u03b9\u03b2\u03bf\u03cd\u03c2 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03bf\u03cd, \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03bf\u03cd \u03ba\u03b1\u03b9 \u03b5\u03c0\u03b9\u03ba\u03cd\u03c1\u03c9\u03c3\u03b7\u03c2 \u03b1\u03c5\u03c4\u03ce\u03bd \u03c4\u03c9\u03bd \u03bc\u03b5\u03c4\u03c1\u03b9\u03ba\u03ce\u03bd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bf\u03b4\u03b7\u03b3\u03ae\u03c3\u03b5\u03b9 \u03c3\u03b5 \u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03c1\u03bf\u03c6\u03b9\u03ba\u03ae \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c0\u03b1\u03c1\u03b1\u03c4\u03b5\u03c4\u03b1\u03bc\u03ad\u03bd\u03bf \u03c7\u03c1\u03cc\u03bd\u03bf \u03b5\u03ba\u03c4\u03cc\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2.<\/p>\n<p>\u03a3\u03c4\u03b1 \u03c3\u03cd\u03b3\u03c7\u03c1\u03bf\u03bd\u03b1 \u03b5\u03c4\u03b1\u03b9\u03c1\u03b9\u03ba\u03ac \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03b1, \u03bf \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc\u03c2 \u03c4\u03bf\u03c5 RTO \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 RPO \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af \u03b2\u03b1\u03b8\u03b9\u03ac \u03ba\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b5\u03c3\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03ce\u03bd \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ce\u03bd \u03c4\u03b7\u03c2 \u03b2\u03ac\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd, \u03c4\u03bf\u03c5 I\/O \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b5\u03c5\u03c3\u03b7\u03c2, \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03bc\u03b5\u03c4\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2 \u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ae\u03c2 \u03c4\u03c9\u03bd \u03b1\u03c1\u03c7\u03b5\u03af\u03c9\u03bd \u03ba\u03b1\u03c4\u03b1\u03b3\u03c1\u03b1\u03c6\u03ae\u03c2 \u03c3\u03c5\u03bd\u03b1\u03bb\u03bb\u03b1\u03b3\u03ce\u03bd (transaction logs). \u0391\u03c5\u03c4\u03cc\u03c2 \u03bf \u03bf\u03b4\u03b7\u03b3\u03cc\u03c2 \u03b5\u03be\u03b5\u03c4\u03ac\u03b6\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ad\u03c2 \u03bc\u03b5\u03b8\u03bf\u03b4\u03bf\u03bb\u03bf\u03b3\u03af\u03b5\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc, \u03c4\u03bf\u03bd \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03b2\u03b5\u03bb\u03c4\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 RTO \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 RPO \u03b3\u03b9\u03b1 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b2\u03ac\u03c3\u03b5\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2.<\/p>\n<h2>\u0391\u03c0\u03bf\u03b4\u03cc\u03bc\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 RPO (Recovery Point Objective) \u03c3\u03b5 \u03a3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u0392\u03ac\u03c3\u03b5\u03c9\u03bd \u0394\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd<\/h2>\n<p>\u03a4\u03bf RPO \u03bf\u03c1\u03af\u03b6\u03b5\u03b9 \u03c4\u03b7 \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03b1\u03c0\u03bf\u03b4\u03b5\u03ba\u03c4\u03ae \u03c0\u03bf\u03c3\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03bc\u03b5\u03c4\u03c1\u03b7\u03bc\u03ad\u03bd\u03b7 \u03c3\u03b5 \u03c7\u03c1\u03cc\u03bd\u03bf. \u0395\u03ac\u03bd \u03c4\u03bf RPO \u03c3\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 15 \u03bb\u03b5\u03c0\u03c4\u03ac, \u03bc\u03b9\u03b1 \u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bc\u03b2\u03b1\u03af\u03bd\u03b5\u03b9 \u03c3\u03c4\u03b9\u03c2 12:00 \u03bc.\u03bc. \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03af\u03c3\u03c4\u03b5 \u03c3\u03b5 \u03b8\u03ad\u03c3\u03b7 \u03bd\u03b1 \u03b1\u03bd\u03b1\u03ba\u03c4\u03ae\u03c3\u03b5\u03c4\u03b5 \u03cc\u03bb\u03b5\u03c2 \u03c4\u03b9\u03c2 \u03b4\u03b5\u03c3\u03bc\u03b5\u03c5\u03bc\u03ad\u03bd\u03b5\u03c2 \u03c3\u03c5\u03bd\u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 \u03c4\u03bf\u03c5\u03bb\u03ac\u03c7\u03b9\u03c3\u03c4\u03bf\u03bd \u03ad\u03c9\u03c2 \u03c4\u03b9\u03c2 11:45 \u03c0.\u03bc.<\/p>\n<p>\u0393\u03b9\u03b1 \u03c4\u03b9\u03c2 \u03b2\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd, \u03c4\u03bf RPO \u03ba\u03b1\u03b8\u03bf\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03c3\u03c4\u03c1\u03b1\u03c4\u03b7\u03b3\u03b9\u03ba\u03ae \u03b4\u03b9\u03b1\u03c7\u03b5\u03af\u03c1\u03b9\u03c3\u03b7\u03c2 \u03c4\u03c9\u03bd \u03b1\u03c1\u03c7\u03b5\u03af\u03c9\u03bd \u03ba\u03b1\u03c4\u03b1\u03b3\u03c1\u03b1\u03c6\u03ae\u03c2 \u03c3\u03c5\u03bd\u03b1\u03bb\u03bb\u03b1\u03b3\u03ce\u03bd \u03c3\u03b1\u03c2 (WAL \u03c3\u03c4\u03bf PostgreSQL, Redo Logs \u03c3\u03c4\u03b7\u03bd Oracle, Transaction Logs \u03c3\u03c4\u03bf\u03bd SQL Server).<\/p>\n<h3>\u0397 \u039c\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ae \u03c4\u03b7\u03c2 \u0391\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1\u03c2 \u0394\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u0394\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 \u0391\u03c1\u03c7\u03b5\u03af\u03c9\u03bd \u039a\u03b1\u03c4\u03b1\u03b3\u03c1\u03b1\u03c6\u03ae\u03c2<\/h3>\n<p>\u0393\u03b9\u03b1 \u03bd\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03b5\u03c4\u03b5 \u03c4\u03bf \u03b5\u03c6\u03b9\u03ba\u03c4\u03cc RPO, \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c0\u03c1\u03ce\u03c4\u03b1 \u03bd\u03b1 \u03ba\u03b1\u03c4\u03b1\u03bd\u03bf\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c4\u03bf\u03bd \u03c1\u03c5\u03b8\u03bc\u03cc \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 \u03b1\u03c1\u03c7\u03b5\u03af\u03c9\u03bd \u03ba\u03b1\u03c4\u03b1\u03b3\u03c1\u03b1\u03c6\u03ae\u03c2 \u03c3\u03c5\u03bd\u03b1\u03bb\u03bb\u03b1\u03b3\u03ce\u03bd \u03c4\u03b7\u03c2 \u03b2\u03ac\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c3\u03b1\u03c2. \u0395\u03ac\u03bd \u03c3\u03c4\u03ad\u03bb\u03bd\u03b5\u03c4\u03b5 \u03b1\u03c1\u03c7\u03b5\u03af\u03b1 \u03ba\u03b1\u03c4\u03b1\u03b3\u03c1\u03b1\u03c6\u03ae\u03c2 \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03b1\u03c0\u03bf\u03b8\u03b5\u03c4\u03ae\u03c1\u03b9\u03bf \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03c9\u03bd \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03ba\u03ac\u03b8\u03b5 15 \u03bb\u03b5\u03c0\u03c4\u03ac, \u03b1\u03bb\u03bb\u03ac \u03c4\u03bf \u03b4\u03af\u03ba\u03c4\u03c5\u03cc \u03c3\u03b1\u03c2 \u03b4\u03b5\u03bd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bc\u03b5\u03c4\u03b1\u03c6\u03ad\u03c1\u03b5\u03b9 \u03c4\u03b1 \u03b1\u03c1\u03c7\u03b5\u03af\u03b1 \u03ba\u03b1\u03c4\u03b1\u03b3\u03c1\u03b1\u03c6\u03ae\u03c2 15 \u03bb\u03b5\u03c0\u03c4\u03ce\u03bd \u03b5\u03bd\u03c4\u03cc\u03c2 \u03b1\u03c5\u03c4\u03bf\u03cd \u03c4\u03bf\u03c5 \u03c0\u03b1\u03c1\u03b1\u03b8\u03cd\u03c1\u03bf\u03c5, \u03c4\u03bf \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc \u03c3\u03b1\u03c2 RPO \u03b8\u03b1 \u03c5\u03c0\u03bf\u03b2\u03b1\u03b8\u03bc\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c5\u03bd\u03b5\u03c7\u03ce\u03c2.<\/p>\n<p>\u039c\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03bf\u03c1\u03af\u03c3\u03b5\u03c4\u03b5 \u03bc\u03b9\u03b1 \u03b2\u03ac\u03c3\u03b7 \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03c1\u03c5\u03b8\u03bc\u03cc \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 \u03b1\u03c1\u03c7\u03b5\u03af\u03c9\u03bd \u03ba\u03b1\u03c4\u03b1\u03b3\u03c1\u03b1\u03c6\u03ae\u03c2 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03b5\u03b3\u03b3\u03b5\u03bd\u03b5\u03af\u03c2 \u03b5\u03bd\u03c4\u03bf\u03bb\u03ad\u03c2 SQL. \u0393\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03c3\u03c4\u03bf PostgreSQL (\u03ad\u03ba\u03b4\u03bf\u03c3\u03b7 10+), \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c4\u03bf\u03bd \u03c1\u03c5\u03b8\u03bc\u03cc \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 Write-Ahead Log (WAL) \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03bf \u03b4\u03b9\u03ac\u03c3\u03c4\u03b7\u03bc\u03b1:<\/p>\n<pre><code class=\"language-sql\">-- \u0395\u03ba\u03c4\u03b5\u03bb\u03ad\u03c3\u03c4\u03b5 \u03c4\u03bf \u03c3\u03c4\u03bf T=0\nSELECT pg_current_wal_lsn() AS start_lsn;\n\n-- \u03a0\u03b5\u03c1\u03b9\u03bc\u03ad\u03bd\u03b5\u03c4\u03b5 \u03b1\u03ba\u03c1\u03b9\u03b2\u03ce\u03c2 5 \u03bb\u03b5\u03c0\u03c4\u03ac (300 \u03b4\u03b5\u03c5\u03c4\u03b5\u03c1\u03cc\u03bb\u03b5\u03c0\u03c4\u03b1) \u03ba\u03b1\u03b9 \u03bc\u03b5\u03c4\u03ac \u03b5\u03ba\u03c4\u03b5\u03bb\u03ad\u03c3\u03c4\u03b5:\nSELECT pg_current_wal_lsn() AS end_lsn,\n       pg_size_pretty(pg_wal_lsn_diff(pg_current_wal_lsn(), 'START_LSN_VALUE')) AS wal_generated_size,\n       pg_wal_lsn_diff(pg_current_wal_lsn(), 'START_LSN_VALUE') \/ 300 AS bytes_per_second;\n<\/code><\/pre>\n<p>\u0395\u03ac\u03bd \u03b1\u03c5\u03c4\u03cc \u03c4\u03bf \u03b5\u03c1\u03ce\u03c4\u03b7\u03bc\u03b1 \u03b1\u03c0\u03bf\u03ba\u03b1\u03bb\u03cd\u03c8\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03c0\u03b1\u03c1\u03ac\u03b3\u03b5\u03c4\u03b5 50 MB\/s \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd WAL \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7\u03c2 \u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2, \u03ad\u03bd\u03b1 RPO 15 \u03bb\u03b5\u03c0\u03c4\u03ce\u03bd \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af \u03c4\u03b7 \u03bc\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03ac 45 GB \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03b1\u03c4\u03b1\u03b3\u03c1\u03b1\u03c6\u03ae\u03c2 \u03c3\u03c4\u03bf\u03bd \u03b1\u03c0\u03bf\u03b8\u03b7\u03ba\u03b5\u03c5\u03c4\u03b9\u03ba\u03cc \u03c7\u03ce\u03c1\u03bf \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03c9\u03bd \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03c3\u03b1\u03c2. \u03a4\u03bf \u03b4\u03af\u03ba\u03c4\u03c5\u03cc \u03c3\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03c3\u03c4\u03cc\u03c7\u03bf\u03b9 \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b5\u03c5\u03c3\u03b7\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c5\u03c0\u03bf\u03c3\u03c4\u03b7\u03c1\u03af\u03b6\u03bf\u03c5\u03bd \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ad\u03c2 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b5\u03c2 \u03b5\u03b3\u03b3\u03c1\u03b1\u03c6\u03ae\u03c2 \u03c0\u03bf\u03c5 \u03c5\u03c0\u03b5\u03c1\u03b2\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03c4\u03b1 50 MB\/s \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c4\u03b7\u03c1\u03b7\u03b8\u03b5\u03af \u03b1\u03c5\u03c4\u03cc \u03c4\u03bf RPO.<\/p>\n<h3>\u03a3\u03cd\u03b3\u03c7\u03c1\u03bf\u03bd\u03bf\u03c2 \u03ad\u03bd\u03b1\u03bd\u03c4\u03b9 \u0391\u03c3\u03cd\u03b3\u03c7\u03c1\u03bf\u03bd\u03bf\u03c5 \u0391\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03bf\u03c0\u03c4\u03c1\u03b9\u03c3\u03bc\u03bf\u03cd (Replication)<\/h3>\n<p>\u03a0\u03bf\u03bb\u03bb\u03bf\u03af DBAs \u03b2\u03b1\u03c3\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf\u03bd \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03bf\u03c0\u03c4\u03c1\u03b9\u03c3\u03bc\u03cc \u03a5\u03c8\u03b7\u03bb\u03ae\u03c2 \u0394\u03b9\u03b1\u03b8\u03b5\u03c3\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 (HA) \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b9\u03ba\u03b1\u03bd\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03bf\u03c5\u03bd \u03c4\u03bf RPO. \u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03bf \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03bf\u03c0\u03c4\u03c1\u03b9\u03c3\u03bc\u03cc\u03c2 \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03c4\u03af\u03b3\u03c1\u03b1\u03c6\u03bf \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2. \u0388\u03bd\u03b1\u03c2 \u03b4\u03b9\u03b1\u03b3\u03c1\u03b1\u03bc\u03bc\u03ad\u03bd\u03bf\u03c2 \u03c0\u03af\u03bd\u03b1\u03ba\u03b1\u03c2 (<code>DROP TABLE users;<\/code>) \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03bf\u03c0\u03c4\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03b1\u03bc\u03ad\u03c3\u03c9\u03c2.<\/p>\n<p>\u038c\u03c4\u03b1\u03bd \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b5 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03bf\u03c0\u03c4\u03c1\u03b9\u03c3\u03bc\u03cc \u03b3\u03b9\u03b1 \u0391\u03bd\u03ac\u03ba\u03c4\u03b7\u03c3\u03b7 \u03b1\u03c0\u03cc \u039a\u03b1\u03c4\u03b1\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae (DR), \u03bf \u03c4\u03c1\u03cc\u03c0\u03bf\u03c2 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03bf\u03c0\u03c4\u03c1\u03b9\u03c3\u03bc\u03bf\u03cd \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03b5\u03b9 \u03ac\u03bc\u03b5\u03c3\u03b1 \u03c4\u03bf RPO:<br \/>\n*   <strong>\u03a3\u03cd\u03b3\u03c7\u03c1\u03bf\u03bd\u03bf\u03c2 \u0391\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03bf\u03c0\u03c4\u03c1\u03b9\u03c3\u03bc\u03cc\u03c2:<\/strong> \u0395\u03b3\u03b3\u03c5\u03ac\u03c4\u03b1\u03b9 RPO \u03bc\u03b7\u03b4\u03ad\u03bd (RPO=0). \u0397 \u03ba\u03cd\u03c1\u03b9\u03b1 \u03b2\u03ac\u03c3\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03b4\u03b5\u03bd \u03b8\u03b1 \u03b4\u03b5\u03c3\u03bc\u03b5\u03cd\u03c3\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03c3\u03c5\u03bd\u03b1\u03bb\u03bb\u03b1\u03b3\u03ae \u03bc\u03ad\u03c7\u03c1\u03b9 \u03b7 \u03b2\u03ac\u03c3\u03b7 \u03b1\u03bd\u03b1\u03bc\u03bf\u03bd\u03ae\u03c2 (standby) \u03bd\u03b1 \u03b5\u03c0\u03b9\u03b2\u03b5\u03b2\u03b1\u03b9\u03ce\u03c3\u03b5\u03b9 \u03c4\u03b7 \u03bb\u03ae\u03c8\u03b7. \u03a4\u03bf \u03b1\u03bd\u03c4\u03ac\u03bb\u03bb\u03b1\u03b3\u03bc\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b1\u03c5\u03be\u03b7\u03bc\u03ad\u03bd\u03b7 \u03ba\u03b1\u03b8\u03c5\u03c3\u03c4\u03ad\u03c1\u03b7\u03c3\u03b7 \u03c3\u03c4\u03b9\u03c2 \u03ba\u03cd\u03c1\u03b9\u03b5\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b5\u03c2 \u03b5\u03b3\u03b3\u03c1\u03b1\u03c6\u03ae\u03c2.<br \/>\n*   <strong>\u0391\u03c3\u03cd\u03b3\u03c7\u03c1\u03bf\u03bd\u03bf\u03c2 \u0391\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03bf\u03c0\u03c4\u03c1\u03b9\u03c3\u03bc\u03cc\u03c2:<\/strong> \u0395\u03b9\u03c3\u03ac\u03b3\u03b5\u03b9 \u03ba\u03b1\u03b8\u03c5\u03c3\u03c4\u03ad\u03c1\u03b7\u03c3\u03b7 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03bf\u03c0\u03c4\u03c1\u03b9\u03c3\u03bc\u03bf\u03cd (replication lag). \u03a4\u03bf RPO \u03c3\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf\u03c5\u03c3\u03b9\u03b1\u03c3\u03c4\u03b9\u03ba\u03ac \u03af\u03c3\u03bf \u03bc\u03b5 \u03c4\u03b7\u03bd \u03c4\u03c1\u03ad\u03c7\u03bf\u03c5\u03c3\u03b1 \u03ba\u03b1\u03b8\u03c5\u03c3\u03c4\u03ad\u03c1\u03b7\u03c3\u03b7 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03bf\u03c0\u03c4\u03c1\u03b9\u03c3\u03bc\u03bf\u03cd.<\/p>\n<p>\u0393\u03b9\u03b1 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b7\u03bd \u03ba\u03b1\u03b8\u03c5\u03c3\u03c4\u03ad\u03c1\u03b7\u03c3\u03b7 \u03b1\u03c3\u03cd\u03b3\u03c7\u03c1\u03bf\u03bd\u03bf\u03c5 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03bf\u03c0\u03c4\u03c1\u03b9\u03c3\u03bc\u03bf\u03cd \u03c3\u03c4\u03bf PostgreSQL, \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5:<\/p>\n<pre><code class=\"language-sql\">SELECT application_name,\n       client_addr,\n       state,\n       sync_state,\n       pg_wal_lsn_diff(pg_current_wal_lsn(), replay_lsn) AS replication_lag_bytes\nFROM pg_stat_replication;\n<\/code><\/pre>\n<h2>\u0391\u03c0\u03bf\u03b4\u03cc\u03bc\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 RTO (Recovery Time Objective) \u03b3\u03b9\u03b1 \u0392\u03ac\u03c3\u03b5\u03b9\u03c2 \u0394\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u039c\u03b5\u03b3\u03ac\u03bb\u03b7\u03c2 \u039a\u03bb\u03af\u03bc\u03b1\u03ba\u03b1\u03c2<\/h2>\n<p>\u03a4\u03bf RTO \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03b1\u03bd\u03b5\u03ba\u03c4\u03ae \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03b5\u03ba\u03c4\u03cc\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2. \u039f \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc\u03c2 \u03c4\u03bf\u03c5 RTO \u03bc\u03b9\u03b1\u03c2 \u03b2\u03ac\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03be\u03b1\u03b9\u03c1\u03b5\u03c4\u03b9\u03ba\u03ac \u03c0\u03b5\u03c1\u03af\u03c0\u03bb\u03bf\u03ba\u03bf\u03c2, \u03b5\u03c0\u03b5\u03b9\u03b4\u03ae \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03bb\u03ce\u03c2 \u03bf \u03c7\u03c1\u03cc\u03bd\u03bf\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03b1\u03c6\u03ae \u03b1\u03c1\u03c7\u03b5\u03af\u03c9\u03bd \u03c0\u03af\u03c3\u03c9 \u03c3\u03b5 \u03ad\u03bd\u03b1\u03bd \u03b4\u03b9\u03b1\u03ba\u03bf\u03bc\u03b9\u03c3\u03c4\u03ae.<\/p>\n<h3>\u03a4\u03bf \u039c\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc \u039c\u03bf\u03bd\u03c4\u03ad\u03bb\u03bf \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03a5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc \u03c4\u03bf\u03c5 RTO<\/h3>\n<p>\u0388\u03bd\u03b1\u03c2 \u03c1\u03b5\u03b1\u03bb\u03b9\u03c3\u03c4\u03b9\u03ba\u03cc\u03c2 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc\u03c2 RTO \u03b2\u03ac\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03c5\u03c0\u03cc\u03c8\u03b7 \u03c4\u03ad\u03c3\u03c3\u03b5\u03c1\u03b9\u03c2 \u03b4\u03b9\u03b1\u03ba\u03c1\u03b9\u03c4\u03ad\u03c2 \u03c6\u03ac\u03c3\u03b5\u03b9\u03c2:<\/p>\n<p><strong>RTO = T(\u03c5\u03c0\u03bf\u03b4\u03bf\u03bc\u03ae) + T(\u03bc\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03ac) + T(\u03b5\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac) + T(\u03b1\u03bd\u03ac\u03ba\u03c4\u03b7\u03c3\u03b7)<\/strong><\/p>\n<ol>\n<li><strong>T(\u03c5\u03c0\u03bf\u03b4\u03bf\u03bc\u03ae) &#8211; \u03a0\u03c1\u03bf\u03bc\u03ae\u03b8\u03b5\u03b9\u03b1 \u03a5\u03c0\u03bf\u03b4\u03bf\u03bc\u03ae\u03c2:<\/strong> \u03a7\u03c1\u03cc\u03bd\u03bf\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b9\u03c3\u03c7\u03cd\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b5\u03c5\u03c3\u03b7\u03c2 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2. (\u039c\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c7\u03b5\u03b4\u03cc\u03bd \u03bc\u03b7\u03b4\u03b5\u03bd\u03b9\u03ba\u03cc\u03c2 \u03bc\u03b5 \u03c0\u03c1\u03bf-\u03c1\u03c5\u03b8\u03bc\u03b9\u03c3\u03bc\u03ad\u03bd\u03b5\u03c2 \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c3\u03af\u03b5\u03c2 DR \u03ae \u03b1\u03b3\u03c9\u03b3\u03bf\u03cd\u03c2 Infrastructure-as-Code).<\/li>\n<li><strong>T(\u03bc\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03ac) &#8211; \u039c\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03ac \u0394\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd:<\/strong> \u03a7\u03c1\u03cc\u03bd\u03bf\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03bc\u03b5\u03c4\u03b1\u03ba\u03af\u03bd\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c6\u03bf\u03c1\u03c4\u03af\u03bf\u03c5 \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03c9\u03bd \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c4\u03bf \u03b1\u03c0\u03bf\u03b8\u03b5\u03c4\u03ae\u03c1\u03b9\u03bf \u03c3\u03c4\u03bf\u03bd \u03b4\u03b9\u03b1\u03ba\u03bf\u03bc\u03b9\u03c3\u03c4\u03ae \u03b2\u03ac\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd.<\/li>\n<li><strong>T(\u03b5\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac) &#8211; \u03a6\u03c5\u03c3\u03b9\u03ba\u03ae \u0395\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac:<\/strong> \u03a7\u03c1\u03cc\u03bd\u03bf\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03b3\u03b3\u03c1\u03b1\u03c6\u03ae \u03c4\u03c9\u03bd \u03b1\u03c1\u03c7\u03b5\u03af\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c3\u03c4\u03bf\u03bd \u03b4\u03af\u03c3\u03ba\u03bf \u03c0\u03c1\u03bf\u03bf\u03c1\u03b9\u03c3\u03bc\u03bf\u03cd.<\/li>\n<li><strong>T(\u03b1\u03bd\u03ac\u03ba\u03c4\u03b7\u03c3\u03b7) &#8211; \u0391\u03bd\u03ac\u03ba\u03c4\u03b7\u03c3\u03b7 \u03b1\u03c0\u03cc \u039a\u03b1\u03c4\u03ac\u03c1\u03c1\u03b5\u03c5\u03c3\u03b7 \u0392\u03ac\u03c3\u03b7\u03c2 \u0394\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd:<\/strong> \u03a7\u03c1\u03cc\u03bd\u03bf\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03bc\u03b7\u03c7\u03b1\u03bd\u03ae \u03c4\u03b7\u03c2 \u03b2\u03ac\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03bd\u03b1 \u03b1\u03bd\u03b1\u03c0\u03b1\u03c1\u03ac\u03b3\u03b5\u03b9 \u03c4\u03b1 \u03b1\u03c1\u03c7\u03b5\u03af\u03b1 \u03ba\u03b1\u03c4\u03b1\u03b3\u03c1\u03b1\u03c6\u03ae\u03c2 \u03c3\u03c5\u03bd\u03b1\u03bb\u03bb\u03b1\u03b3\u03ce\u03bd, \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c9\u03b8\u03ae\u03c3\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03b4\u03b5\u03c3\u03bc\u03b5\u03c5\u03bc\u03ad\u03bd\u03b5\u03c2 \u03c3\u03c5\u03bd\u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b1\u03bd\u03b1\u03b9\u03c1\u03ad\u03c3\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03bc\u03b7 \u03b4\u03b5\u03c3\u03bc\u03b5\u03c5\u03bc\u03ad\u03bd\u03b5\u03c2.<\/li>\n<\/ol>\n<h3>\u03a5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc\u03c2 \u03a7\u03c1\u03cc\u03bd\u03c9\u03bd \u039c\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2 \u03ba\u03b1\u03b9 \u0395\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2<\/h3>\n<p>\u0393\u03b9\u03b1 \u03bd\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03b5\u03c4\u03b5 \u03c4\u03bf <code>T(\u03bc\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03ac)<\/code> \u03ba\u03b1\u03b9 \u03c4\u03bf <code>T(\u03b5\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac)<\/code>, \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03bf\u03c1\u03af\u03c3\u03b5\u03c4\u03b5 \u03bc\u03b9\u03b1 \u03b2\u03ac\u03c3\u03b7 \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf \u03b5\u03cd\u03c1\u03bf\u03c2 \u03b6\u03ce\u03bd\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5 \u03c3\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b1 IOPS\/\u03b4\u03b9\u03b1\u03bc\u03b5\u03c4\u03b1\u03b3\u03c9\u03b3\u03ae \u03c4\u03bf\u03c5 \u03b4\u03af\u03c3\u03ba\u03bf\u03c5 \u03c3\u03b1\u03c2. \u039c\u03b7\u03bd \u03b2\u03b1\u03c3\u03af\u03b6\u03b5\u03c3\u03c4\u03b5 \u03c3\u03b5 \u03b8\u03b5\u03c9\u03c1\u03b7\u03c4\u03b9\u03ba\u03ac \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b1. \u0395\u03bb\u03ad\u03b3\u03be\u03c4\u03b5 \u03c4\u03b7\u03bd \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03c3\u03b1\u03c2 \u03c5\u03c0\u03bf\u03b4\u03bf\u03bc\u03ae.<\/p>\n<p>\u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 \u03c4\u03bf <code>iperf3<\/code> \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03bb\u03ad\u03b3\u03be\u03b5\u03c4\u03b5 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03bc\u03b5\u03c4\u03b1\u03b3\u03c9\u03b3\u03ae \u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03bf\u03c5 \u03b1\u03c0\u03bf\u03b8\u03b5\u03c4\u03b7\u03c1\u03af\u03bf\u03c5 \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03c9\u03bd \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 \u03b4\u03b9\u03b1\u03ba\u03bf\u03bc\u03b9\u03c3\u03c4\u03ae \u03b2\u03ac\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd:<\/p>\n<pre><code class=\"language-bash\"># \u03a3\u03c4\u03bf \u03b1\u03c0\u03bf\u03b8\u03b5\u03c4\u03ae\u03c1\u03b9\u03bf \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03c9\u03bd \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 (\u03b4\u03b9\u03b1\u03ba\u03bf\u03bc\u03b9\u03c3\u03c4\u03ae\u03c2)\niperf3 -s\n\n# \u03a3\u03c4\u03bf\u03bd \u03b4\u03b9\u03b1\u03ba\u03bf\u03bc\u03b9\u03c3\u03c4\u03ae \u03b2\u03ac\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd (\u03c0\u03b5\u03bb\u03ac\u03c4\u03b7\u03c2)\niperf3 -c &lt;backup_repo_ip&gt; -t 60 -P 4\n<\/code><\/pre>\n<p>\u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 \u03c4\u03bf <code>fio<\/code> \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03bb\u03ad\u03b3\u03be\u03b5\u03c4\u03b5 \u03c4\u03b7\u03bd \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7 \u03b4\u03b9\u03b1\u03b4\u03bf\u03c7\u03b9\u03ba\u03ae\u03c2 \u03b5\u03b3\u03b3\u03c1\u03b1\u03c6\u03ae\u03c2 \u03c4\u03c9\u03bd \u03c4\u03cc\u03bc\u03c9\u03bd \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b5\u03c5\u03c3\u03b7\u03c2 \u03c4\u03b7\u03c2 \u03b2\u03ac\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c3\u03b1\u03c2, \u03c0\u03c1\u03bf\u03c3\u03bf\u03bc\u03bf\u03b9\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03bc\u03b9\u03b1 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03b5\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2 \u03b2\u03ac\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd:<\/p>\n<pre><code class=\"language-bash\">fio --name=restore_sim --ioengine=libaio --rw=write --bs=1M --size=10G --numjobs=4 --iodepth=32 --direct=1 --filename=\/var\/lib\/postgresql\/data\/testfile\n<\/code><\/pre>\n<p>\u0395\u03ac\u03bd \u03b7 \u03b2\u03ac\u03c3\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c3\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 5 TB \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 <code>fio<\/code> \u03b4\u03b5\u03af\u03c7\u03bd\u03bf\u03c5\u03bd \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03b5\u03b3\u03b3\u03c1\u03b1\u03c6\u03ae\u03c2 500 MB\/s, \u03c4\u03bf \u03b1\u03c0\u03cc\u03bb\u03c5\u03c4\u03bf \u03b5\u03bb\u03ac\u03c7\u03b9\u03c3\u03c4\u03bf <code>T(\u03b5\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac)<\/code> \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b5\u03c1\u03af\u03c0\u03bf\u03c5 2,8 \u03ce\u03c1\u03b5\u03c2. \u0395\u03ac\u03bd \u03c4\u03bf SLA \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03c7\u03b5\u03af\u03c1\u03b7\u03c3\u03ae\u03c2 \u03c3\u03b1\u03c2 \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af RTO 1 \u03ce\u03c1\u03b1\u03c2, \u03bf\u03b9 \u03c0\u03b1\u03c1\u03b1\u03b4\u03bf\u03c3\u03b9\u03b1\u03ba\u03ad\u03c2 \u03b5\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ad\u03c2 \u03bc\u03ad\u03c3\u03c9 streaming \u03b8\u03b1 \u03b1\u03c0\u03bf\u03c4\u03cd\u03c7\u03bf\u03c5\u03bd. \u03a0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03bb\u03bb\u03ac\u03be\u03b5\u03c4\u03b5 \u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03b9\u03c4\u03b5\u03ba\u03c4\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03b1\u03c2 \u03c3\u03b5 \u03c3\u03c4\u03b9\u03b3\u03bc\u03b9\u03cc\u03c4\u03c5\u03c0\u03b1 (snapshots) \u03b5\u03c0\u03b9\u03c0\u03ad\u03b4\u03bf\u03c5 \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b5\u03c5\u03c3\u03b7\u03c2 \u03ae \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03bf\u03c0\u03c4\u03c1\u03b9\u03c3\u03bc\u03cc \u03b5\u03c0\u03b9\u03c0\u03ad\u03b4\u03bf\u03c5 \u03bc\u03c0\u03bb\u03bf\u03ba.<\/p>\n<h3>\u0397 \u039a\u03c1\u03c5\u03c6\u03ae \u03a0\u03b1\u03b3\u03af\u03b4\u03b1: T(\u03b1\u03bd\u03ac\u03ba\u03c4\u03b7\u03c3\u03b7)<\/h3>\n<p>\u0397 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ae \u03c0\u03bf\u03c5 \u03c5\u03c0\u03bf\u03c4\u03b9\u03bc\u03ac\u03c4\u03b1\u03b9 \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b5\u03c1\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf <code>T(\u03b1\u03bd\u03ac\u03ba\u03c4\u03b7\u03c3\u03b7)<\/code>. \u0395\u03ac\u03bd \u03b5\u03c0\u03b1\u03bd\u03b1\u03c6\u03ad\u03c1\u03b5\u03c4\u03b5 \u03ad\u03bd\u03b1 \u03b5\u03b2\u03b4\u03bf\u03bc\u03b1\u03b4\u03b9\u03b1\u03af\u03bf \u03c0\u03bb\u03ae\u03c1\u03b5\u03c2 \u03b1\u03bd\u03c4\u03af\u03b3\u03c1\u03b1\u03c6\u03bf \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03b5\u03c6\u03b1\u03c1\u03bc\u03cc\u03c3\u03b5\u03c4\u03b5 6 \u03b7\u03bc\u03ad\u03c1\u03b5\u03c2 \u03b1\u03c1\u03c7\u03b5\u03af\u03c9\u03bd \u03ba\u03b1\u03c4\u03b1\u03b3\u03c1\u03b1\u03c6\u03ae\u03c2 \u03c3\u03c5\u03bd\u03b1\u03bb\u03bb\u03b1\u03b3\u03ce\u03bd \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c6\u03c4\u03ac\u03c3\u03b5\u03c4\u03b5 \u03c3\u03c4\u03bf RPO \u03c3\u03b1\u03c2, \u03b7 \u03bc\u03b7\u03c7\u03b1\u03bd\u03ae \u03c4\u03b7\u03c2 \u03b2\u03ac\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03bd\u03b1\u03c0\u03b1\u03c1\u03ac\u03b3\u03b5\u03b9 \u03b4\u03b9\u03b1\u03b4\u03bf\u03c7\u03b9\u03ba\u03ac \u03ba\u03ac\u03b8\u03b5 \u03c3\u03c5\u03bd\u03b1\u03bb\u03bb\u03b1\u03b3\u03ae.<\/p>\n<p>\u0397 \u03b1\u03bd\u03b1\u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae 500 GB \u03b1\u03c1\u03c7\u03b5\u03af\u03c9\u03bd \u03ba\u03b1\u03c4\u03b1\u03b3\u03c1\u03b1\u03c6\u03ae\u03c2 \u03c3\u03c5\u03bd\u03b1\u03bb\u03bb\u03b1\u03b3\u03ce\u03bd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c1\u03ba\u03ad\u03c3\u03b5\u03b9 \u03ce\u03c1\u03b5\u03c2, \u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03b6\u03cc\u03bc\u03b5\u03bd\u03b7 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ac \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7 \u03c4\u03b7\u03c2 CPU \u03b5\u03bd\u03cc\u03c2 \u03bd\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b1 IOPS \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b5\u03c5\u03c3\u03b7\u03c2. \u0393\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03bb\u03b1\u03c7\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c4\u03bf <code>T(\u03b1\u03bd\u03ac\u03ba\u03c4\u03b7\u03c3\u03b7)<\/code>, \u03b1\u03c5\u03be\u03ae\u03c3\u03c4\u03b5 \u03c4\u03b7 \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03c9\u03bd \u03c0\u03bb\u03ae\u03c1\u03c9\u03bd \u03ae \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b9\u03ba\u03ce\u03bd \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03c9\u03bd \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03c3\u03b1\u03c2.<\/p>\n<h2>\u0393\u03b5\u03c6\u03c5\u03c1\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03bf \u03a7\u03ac\u03c3\u03bc\u03b1: \u03a0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03ac \u0392\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u0395\u03c0\u03b9\u03ba\u03cd\u03c1\u03c9\u03c3\u03b7 RTO \u03ba\u03b1\u03b9 RPO<\/h2>\n<p>\u039f \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc\u03c2 \u03c4\u03bf\u03c5 \u03b8\u03b5\u03c9\u03c1\u03b7\u03c4\u03b9\u03ba\u03bf\u03cd RTO \u03ba\u03b1\u03b9 RPO \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03cc\u03bd\u03bf \u03c4\u03bf \u03c0\u03c1\u03ce\u03c4\u03bf \u03b2\u03ae\u03bc\u03b1. \u03a4\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03b1 \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03b7\u03c2 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03b1\u03b9\u03c4\u03bf\u03cd\u03bd \u03c3\u03c5\u03bd\u03b5\u03c7\u03ae \u03b5\u03c0\u03b9\u03ba\u03cd\u03c1\u03c9\u03c3\u03b7.<\/p>\n<h3>\u0392\u03ae\u03bc\u03b1 1: \u0395\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae \u03a3\u03c5\u03bd\u03b5\u03c7\u03bf\u03cd\u03c2 \u0391\u03c1\u03c7\u03b5\u03b9\u03bf\u03b8\u03ad\u03c4\u03b7\u03c3\u03b7\u03c2<\/h3>\n<p>\u0393\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03c0\u03b9\u03c4\u03cd\u03c7\u03b5\u03c4\u03b5 RPO \u03ba\u03ac\u03c4\u03c9 \u03c4\u03bf\u03c5 \u03bb\u03b5\u03c0\u03c4\u03bf\u03cd \u03c7\u03c9\u03c1\u03af\u03c2 \u03c4\u03b7\u03bd \u03b5\u03c0\u03af\u03c0\u03c4\u03c9\u03c3\u03b7 \u03c3\u03c4\u03b7\u03bd \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c3\u03cd\u03b3\u03c7\u03c1\u03bf\u03bd\u03bf\u03c5 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03bf\u03c0\u03c4\u03c1\u03b9\u03c3\u03bc\u03bf\u03cd, \u03b5\u03c6\u03b1\u03c1\u03bc\u03cc\u03c3\u03c4\u03b5 \u03c3\u03c5\u03bd\u03b5\u03c7\u03ae \u03b1\u03c1\u03c7\u03b5\u03b9\u03bf\u03b8\u03ad\u03c4\u03b7\u03c3\u03b7 \u03b1\u03c1\u03c7\u03b5\u03af\u03c9\u03bd \u03ba\u03b1\u03c4\u03b1\u03b3\u03c1\u03b1\u03c6\u03ae\u03c2. \u0391\u03bd\u03c4\u03af \u03bd\u03b1 \u03c0\u03b5\u03c1\u03b9\u03bc\u03ad\u03bd\u03b5\u03c4\u03b5 \u03bd\u03b1 \u03b3\u03b5\u03bc\u03af\u03c3\u03b5\u03b9 \u03ad\u03bd\u03b1 \u03b1\u03c1\u03c7\u03b5\u03af\u03bf \u03ba\u03b1\u03c4\u03b1\u03b3\u03c1\u03b1\u03c6\u03ae\u03c2 (\u03ba\u03ac\u03c4\u03b9 \u03c0\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c1\u03ba\u03ad\u03c3\u03b5\u03b9 \u03ce\u03c1\u03b5\u03c2 \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c0\u03b5\u03c1\u03b9\u03cc\u03b4\u03c9\u03bd \u03c7\u03b1\u03bc\u03b7\u03bb\u03ae\u03c2 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7\u03c2), \u03b5\u03c0\u03b9\u03b2\u03ac\u03bb\u03bb\u03b5\u03c4\u03b5 \u03b5\u03bd\u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 \u03b1\u03c1\u03c7\u03b5\u03af\u03c9\u03bd \u03ba\u03b1\u03c4\u03b1\u03b3\u03c1\u03b1\u03c6\u03ae\u03c2 \u03c3\u03b5 \u03c4\u03b1\u03ba\u03c4\u03ac \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ac \u03b4\u03b9\u03b1\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1.<\/p>\n<p>\u03a3\u03c4\u03bf\u03bd SQL Server, \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03b1\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b1 \u03c3\u03c5\u03c7\u03bd\u03ac \u03b1\u03bd\u03c4\u03af\u03b3\u03c1\u03b1\u03c6\u03b1 \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03c4\u03bf\u03c5 Transaction Log:<\/p>\n<pre><code class=\"language-sql\">BACKUP LOG [MissionCriticalDB] \nTO DISK = N'\\BackupRepoSQLMissionCriticalDB_Log.trn' \nWITH NOFORMAT, NOINIT, \nNAME = N'MissionCriticalDB-Transaction Log Backup', \nSKIP, NOREWIND, NOUNLOAD, COMPRESSION, STATS = 10;\n<\/code><\/pre>\n<p><em>\u0392\u03ad\u03bb\u03c4\u03b9\u03c3\u03c4\u03b7 \u03a0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03ae:<\/em> \u03a0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03af\u03c3\u03c4\u03b5 \u03b1\u03c5\u03c4\u03ae \u03c4\u03b7\u03bd \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 \u03bd\u03b1 \u03b5\u03ba\u03c4\u03b5\u03bb\u03b5\u03af\u03c4\u03b1\u03b9 \u03ba\u03ac\u03b8\u03b5 1-5 \u03bb\u03b5\u03c0\u03c4\u03ac \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 RPO \u03c3\u03b1\u03c2.<\/p>\n<h3>\u0392\u03ae\u03bc\u03b1 2: \u0391\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u0394\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u0395\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2<\/h3>\n<p>\u0388\u03bd\u03b1 \u03b1\u03bd\u03c4\u03af\u03b3\u03c1\u03b1\u03c6\u03bf \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03c0\u03bf\u03c5 \u03b4\u03b5\u03bd \u03ad\u03c7\u03b5\u03b9 \u03b5\u03bb\u03b5\u03b3\u03c7\u03b8\u03b5\u03af \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03bb\u03ce\u03c2 \u03bc\u03b9\u03b1 \u03b8\u03b5\u03c9\u03c1\u03b7\u03c4\u03b9\u03ba\u03ae \u03ad\u03bd\u03bd\u03bf\u03b9\u03b1. \u0393\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03b3\u03b3\u03c5\u03b7\u03b8\u03b5\u03af\u03c4\u03b5 \u03c4\u03bf \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf RTO \u03c3\u03b1\u03c2, \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03ba\u03c4\u03b5\u03bb\u03b5\u03af\u03c4\u03b5 \u03b1\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03b5\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2.<\/p>\n<p>\u039f\u03b9 \u03b5\u03c4\u03b1\u03b9\u03c1\u03b9\u03ba\u03ad\u03c2 \u03c0\u03bb\u03b1\u03c4\u03c6\u03cc\u03c1\u03bc\u03b5\u03c2 \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03c9\u03bd \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03cc\u03c0\u03c9\u03c2 \u03c4\u03bf CloudSave \u03b1\u03c0\u03bb\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd \u03b1\u03c5\u03c4\u03ae \u03c4\u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03c0\u03b1\u03c1\u03ad\u03c7\u03bf\u03bd\u03c4\u03b1\u03c2 \u03b1\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03b5\u03c2, \u03b1\u03c0\u03bf\u03bc\u03bf\u03bd\u03c9\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03b1\u03bd\u03ac\u03ba\u03c4\u03b7\u03c3\u03b7\u03c2. \u03a4\u03bf CloudSave \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03b9 \u03b1\u03c5\u03c4\u03cc\u03bc\u03b1\u03c4\u03b1 \u03ad\u03bd\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd sandbox, \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03c4\u03ae\u03c3\u03b5\u03b9 \u03c4\u03bf \u03c0\u03b9\u03bf \u03c0\u03c1\u03cc\u03c3\u03c6\u03b1\u03c4\u03bf \u03b1\u03bd\u03c4\u03af\u03b3\u03c1\u03b1\u03c6\u03bf \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2, \u03bd\u03b1 \u03b5\u03ba\u03c4\u03b5\u03bb\u03ad\u03c3\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03c0\u03bb\u03ae\u03c1\u03b7 \u03b1\u03bd\u03ac\u03ba\u03c4\u03b7\u03c3\u03b7 \u03b2\u03ac\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b5\u03ba\u03c4\u03b5\u03bb\u03ad\u03c3\u03b5\u03b9 \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03c3\u03bc\u03ad\u03bd\u03b1 \u03c3\u03b5\u03bd\u03ac\u03c1\u03b9\u03b1 \u03b5\u03c0\u03b9\u03ba\u03cd\u03c1\u03c9\u03c3\u03b7\u03c2 (\u03c0.\u03c7. <code>DBCC CHECKDB<\/code> \u03b3\u03b9\u03b1 SQL Server) \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03b5\u03b9 \u03c4\u03bf \u03b1\u03ba\u03c1\u03b9\u03b2\u03ad\u03c2 RTO \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03c3\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b1\u03ba\u03b5\u03c1\u03b1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd. \u0391\u03c5\u03c4\u03cc \u03bc\u03b5\u03c4\u03b1\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c4\u03bf RTO \u03b1\u03c0\u03cc \u03bc\u03b9\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03ad\u03bd\u03b7 \u03b5\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03c3\u03b5 \u03bc\u03b9\u03b1 \u03b1\u03c0\u03bf\u03b4\u03b5\u03b4\u03b5\u03b9\u03b3\u03bc\u03ad\u03bd\u03b7, \u03b1\u03bd\u03b1\u03c6\u03ad\u03c1\u03c3\u03b9\u03bc\u03b7 \u03bc\u03b5\u03c4\u03c1\u03b9\u03ba\u03ae.<\/p>\n<h3>\u0392\u03ae\u03bc\u03b1 3: \u03a0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03cd\u03b8\u03b7\u03c3\u03b7 \u03ba\u03b1\u03b9 \u0395\u03b9\u03b4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03b3\u03b9\u03b1 \u03a0\u03b1\u03c1\u03b1\u03b2\u03b9\u03ac\u03c3\u03b5\u03b9\u03c2 SLA<\/h3>\n<p>\u0397 \u03c3\u03c4\u03bf\u03af\u03b2\u03b1 \u03c0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03cd\u03b8\u03b7\u03c3\u03ae\u03c2 \u03c3\u03b1\u03c2 (Prometheus, Datadog, Zabbix) \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03b5\u03af \u03b5\u03bd\u03b5\u03c1\u03b3\u03ac \u03c4\u03b9\u03c2 \u03bc\u03b5\u03c4\u03c1\u03b9\u03ba\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b5\u03b9\u03bb\u03bf\u03cd\u03bd \u03c4\u03b1 SLA \u03c4\u03bf\u03c5 RTO\/RPO \u03c3\u03b1\u03c2. \u039f\u03b9 \u03ba\u03b1\u03bd\u03cc\u03bd\u03b5\u03c2 \u03b5\u03b9\u03b4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c1\u03c5\u03b8\u03bc\u03b9\u03c3\u03c4\u03bf\u03cd\u03bd \u03b3\u03b9\u03b1:<br \/>\n*   <strong>\u0391\u03c0\u03bf\u03c4\u03c5\u03c7\u03af\u03b5\u03c2 \u0395\u03c1\u03b3\u03b1\u03c3\u03b9\u03ce\u03bd \u0391\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03c9\u03bd \u0391\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2:<\/strong> \u0386\u03bc\u03b5\u03c3\u03b7 \u03b1\u03c0\u03b5\u03b9\u03bb\u03ae \u03b3\u03b9\u03b1 \u03c4\u03bf RPO.<br \/>\n*   <strong>\u039a\u03b1\u03b8\u03c5\u03c3\u03c4\u03ad\u03c1\u03b7\u03c3\u03b7 \u039c\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2 \u0391\u03c1\u03c7\u03b5\u03af\u03c9\u03bd \u039a\u03b1\u03c4\u03b1\u03b3\u03c1\u03b1\u03c6\u03ae\u03c2:<\/strong> \u0395\u03ac\u03bd \u03b7 \u03bc\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03ac \u03b1\u03c1\u03c7\u03b5\u03af\u03c9\u03bd \u03ba\u03b1\u03c4\u03b1\u03b3\u03c1\u03b1\u03c6\u03ae\u03c2 \u03b4\u03b9\u03b1\u03c1\u03ba\u03b5\u03af \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03bf \u03b1\u03c0\u03cc \u03c4\u03bf \u03b4\u03b9\u03ac\u03c3\u03c4\u03b7\u03bc\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 \u03c4\u03bf\u03c5\u03c2.<br \/>\n*   <strong>\u03a0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03cc\u03c2 IOPS \u0391\u03c0\u03bf\u03b8\u03ae\u03ba\u03b5\u03c5\u03c3\u03b7\u03c2:<\/strong> \u039f\u03b9 \u03c0\u03ac\u03c1\u03bf\u03c7\u03bf\u03b9 cloud (\u03cc\u03c0\u03c9\u03c2 \u03c4\u03bf AWS EBS) \u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03af\u03b6\u03bf\u03c5\u03bd \u03c4\u03b1 IOPS \u03b5\u03ac\u03bd \u03b5\u03be\u03b1\u03bd\u03c4\u03bb\u03b7\u03b8\u03bf\u03cd\u03bd \u03bf\u03b9 \u03c0\u03b9\u03c3\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03c1\u03b9\u03c0\u03ae\u03c2 (burst credits), \u03b3\u03b5\u03b3\u03bf\u03bd\u03cc\u03c2 \u03c0\u03bf\u03c5 \u03b8\u03b1 \u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03c1\u03ad\u03c8\u03b5\u03b9 \u03c3\u03b9\u03c9\u03c0\u03b7\u03bb\u03ac \u03c4\u03bf RTO \u03c3\u03b1\u03c2 \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03bc\u03b9\u03b1\u03c2 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae\u03c2 \u03ad\u03ba\u03c4\u03b1\u03ba\u03c4\u03b7\u03c2 \u03b1\u03bd\u03ac\u03b3\u03ba\u03b7\u03c2.<\/p>\n<h2>\u0392\u03b5\u03bb\u03c4\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u0391\u03c1\u03c7\u03b9\u03c4\u03b5\u03ba\u03c4\u03bf\u03bd\u03b9\u03ba\u03ae\u03c2 \u0391\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03c9\u03bd \u0391\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u0392\u03ac\u03c3\u03b5\u03c9\u03bd \u0394\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u0399\u03ba\u03b1\u03bd\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u0391\u03c5\u03c3\u03c4\u03b7\u03c1\u03ce\u03bd SLA<\/h2>\n<p>\u038c\u03c4\u03b1\u03bd \u03bf\u03b9 \u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03bf\u03af \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03bf\u03af \u03b1\u03c0\u03bf\u03ba\u03b1\u03bb\u03cd\u03c0\u03c4\u03bf\u03c5\u03bd \u03cc\u03c4\u03b9 \u03b7 \u03c4\u03c1\u03ad\u03c7\u03bf\u03c5\u03c3\u03b1 \u03b1\u03c1\u03c7\u03b9\u03c4\u03b5\u03ba\u03c4\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03b1\u03c2 \u03b4\u03b5\u03bd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b9\u03ba\u03b1\u03bd\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03b9 \u03c4\u03b1 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac SLA, \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b2\u03b5\u03bb\u03c4\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b7 \u03c3\u03c4\u03c1\u03b1\u03c4\u03b7\u03b3\u03b9\u03ba\u03ae \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03c9\u03bd \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03c3\u03b1\u03c2.<\/p>\n<h3>1. \u0391\u03be\u03b9\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u0391\u03c5\u03be\u03b7\u03c4\u03b9\u03ba\u03ce\u03bd \u0391\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03c9\u03bd \u0391\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u0395\u03c0\u03b9\u03c0\u03ad\u03b4\u03bf\u03c5 \u039c\u03c0\u03bb\u03bf\u03ba<\/h3>\n<p>\u03a4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03b4\u03bf\u03c3\u03b9\u03b1\u03ba\u03ac dumps \u03b2\u03ac\u03c3\u03b5\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd (\u03bb\u03bf\u03b3\u03b9\u03ba\u03ac \u03b1\u03bd\u03c4\u03af\u03b3\u03c1\u03b1\u03c6\u03b1 \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03cc\u03c0\u03c9\u03c2 \u03c4\u03bf <code>pg_dump<\/code> \u03ae \u03c4\u03bf <code>mysqldump<\/code>) \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03bf\u03bb\u03cd \u03b1\u03c1\u03b3\u03ac \u03b3\u03b9\u03b1 RTO \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03b7\u03c2 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1\u03c2. \u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ac \u03b1\u03bd\u03c4\u03af\u03b3\u03c1\u03b1\u03c6\u03b1 \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03b5\u03c0\u03b9\u03c0\u03ad\u03b4\u03bf\u03c5 \u03bc\u03c0\u03bb\u03bf\u03ba. \u03a4\u03b1 \u03b1\u03c5\u03be\u03b7\u03c4\u03b9\u03ba\u03ac \u03b1\u03bd\u03c4\u03af\u03b3\u03c1\u03b1\u03c6\u03b1 \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03b5\u03c0\u03b9\u03c0\u03ad\u03b4\u03bf\u03c5 \u03bc\u03c0\u03bb\u03bf\u03ba \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03bf\u03c5\u03bd \u03bc\u03cc\u03bd\u03bf \u03c4\u03b1 \u03bc\u03c0\u03bb\u03bf\u03ba \u03b4\u03af\u03c3\u03ba\u03bf\u03c5 \u03c0\u03bf\u03c5 \u03ad\u03c7\u03bf\u03c5\u03bd \u03b1\u03bb\u03bb\u03ac\u03be\u03b5\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03c4\u03b5\u03bb\u03b5\u03c5\u03c4\u03b1\u03af\u03bf \u03b1\u03bd\u03c4\u03af\u03b3\u03c1\u03b1\u03c6\u03bf \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2, \u03bc\u03b5\u03b9\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03b4\u03c1\u03b1\u03c3\u03c4\u03b9\u03ba\u03ac \u03c4\u03bf <code>T(\u03bc\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03ac)<\/code> \u03ba\u03b1\u03b9 \u03c4\u03bf \u03c6\u03bf\u03c1\u03c4\u03af\u03bf \u03c4\u03bf\u03c5 \u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5.<\/p>\n<h3>2. \u03a7\u03c1\u03ae\u03c3\u03b7 \u03a3\u03c4\u03b9\u03b3\u03bc\u03b9\u03cc\u03c4\u03c5\u03c0\u03c9\u03bd \u0391\u03c0\u03bf\u03b8\u03ae\u03ba\u03b5\u03c5\u03c3\u03b7\u03c2 (Storage Snapshots)<\/h3>\n<p>\u0393\u03b9\u03b1 \u03b2\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c0\u03bf\u03bb\u03bb\u03ce\u03bd terabyte \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b1\u03b9\u03c4\u03bf\u03cd\u03bd RTO \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03bf \u03b1\u03c0\u03cc 15 \u03bb\u03b5\u03c0\u03c4\u03ac, \u03b7 \u03c0\u03b1\u03c1\u03b1\u03b4\u03bf\u03c3\u03b9\u03b1\u03ba\u03ae \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03b1\u03c6\u03ae \u03b1\u03c1\u03c7\u03b5\u03af\u03c9\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ac \u03b1\u03b4\u03cd\u03bd\u03b1\u03c4\u03b7 \u03bc\u03ad\u03c3\u03c9 \u03c4\u03c5\u03c0\u03b9\u03ba\u03ce\u03bd \u03b4\u03b9\u03ba\u03c4\u03cd\u03c9\u03bd. \u0397 \u03b5\u03bd\u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03c3\u03b7 \u03bc\u03b5 SAN \u03ae \u03c3\u03c4\u03b9\u03b3\u03bc\u03b9\u03cc\u03c4\u03c5\u03c0\u03b1 \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b5\u03c5\u03c3\u03b7\u03c2 \u03b5\u03b3\u03b3\u03b5\u03bd\u03ae \u03c3\u03c4\u03bf cloud (\u03c0.\u03c7. AWS EBS Snapshots, Pure Storage) \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c3\u03c7\u03b5\u03b4\u03cc\u03bd \u03c3\u03c4\u03b9\u03b3\u03bc\u03b9\u03b1\u03af\u03bf <code>T(\u03b5\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac)<\/code>. \u0397 \u03bc\u03b7\u03c7\u03b1\u03bd\u03ae \u03c4\u03b7\u03c2 \u03b2\u03ac\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1 \u03bc\u03cc\u03bd\u03bf \u03bd\u03b1 \u03b5\u03ba\u03c4\u03b5\u03bb\u03ad\u03c3\u03b5\u03b9 \u03b1\u03bd\u03ac\u03ba\u03c4\u03b7\u03c3\u03b7 \u03b1\u03c0\u03cc \u03ba\u03b1\u03c4\u03ac\u03c1\u03c1\u03b5\u03c5\u03c3\u03b7 \u03c3\u03c4\u03bf \u03c3\u03c4\u03b9\u03b3\u03bc\u03b9\u03cc\u03c4\u03c5\u03c0\u03bf.<\/p>\n<h3>3. \u0395\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae \u03a0\u03b1\u03c1\u03b1\u03bb\u03bb\u03b7\u03bb\u03b9\u03c3\u03bc\u03bf\u03cd<\/h3>\n<p>\u0392\u03b5\u03b2\u03b1\u03b9\u03c9\u03b8\u03b5\u03af\u03c4\u03b5 \u03cc\u03c4\u03b9 \u03c4\u03b1 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03c9\u03bd \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03b5\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2 \u03c3\u03b1\u03c2 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd \u03c0\u03bf\u03bb\u03c5\u03bd\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b5\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 (multi-threading). \u039a\u03b1\u03c4\u03ac \u03c4\u03b7\u03bd \u03b5\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac \u03bc\u03b9\u03b1\u03c2 \u03b2\u03ac\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd PostgreSQL \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03bf <code>pgbackrest<\/code> \u03ae \u03bc\u03b9\u03b1\u03c2 \u03b2\u03ac\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd SQL Server, \u03bf\u03c1\u03af\u03c3\u03c4\u03b5 \u03c1\u03b7\u03c4\u03ac \u03c0\u03b1\u03c1\u03ac\u03bb\u03bb\u03b7\u03bb\u03b1 \u03bd\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03ba\u03bf\u03c1\u03b5\u03c3\u03c4\u03b5\u03af \u03c4\u03bf \u03b4\u03b9\u03b1\u03b8\u03ad\u03c3\u03b9\u03bc\u03bf \u03b5\u03cd\u03c1\u03bf\u03c2 \u03b6\u03ce\u03bd\u03b7\u03c2 \u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03b4\u03af\u03c3\u03ba\u03bf\u03c5.<\/p>\n<pre><code class=\"language-bash\"># \u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 \u03c0\u03b1\u03c1\u03ac\u03bb\u03bb\u03b7\u03bb\u03b7\u03c2 \u03b5\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2 \u03c3\u03c4\u03bf pgBackRest\npgbackrest --stanza=prod_db --process-max=8 restore\n<\/code><\/pre>\n<h2>\u03a3\u03c5\u03bc\u03c0\u03ad\u03c1\u03b1\u03c3\u03bc\u03b1<\/h2>\n<p>\u039f \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc\u03c2 \u03c4\u03bf\u03c5 RTO \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 RPO \u03b3\u03b9\u03b1 \u03b2\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03b7\u03c2 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03b1\u03c5\u03c3\u03c4\u03b7\u03c1\u03ae \u03ac\u03c3\u03ba\u03b7\u03c3\u03b7 \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ae\u03c2 \u03c3\u03c5\u03c3\u03c4\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd. \u0391\u03c0\u03b1\u03b9\u03c4\u03b5\u03af \u03b1\u03c0\u03cc \u03c4\u03bf\u03c5\u03c2 DBAs \u03bd\u03b1 \u03be\u03b5\u03c0\u03b5\u03c1\u03ac\u03c3\u03bf\u03c5\u03bd \u03c4\u03b9\u03c2 \u03c0\u03c1\u03bf\u03b5\u03c0\u03b9\u03bb\u03b5\u03b3\u03bc\u03ad\u03bd\u03b5\u03c2 \u03c1\u03c5\u03b8\u03bc\u03af\u03c3\u03b5\u03b9\u03c2 \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03c9\u03bd \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03bc\u03bf\u03bd\u03c4\u03b5\u03bb\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03bf\u03c5\u03bd \u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u03c4\u03bf I\/O \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b5\u03c5\u03c3\u03b7\u03c2, \u03c4\u03b7 \u03c7\u03c9\u03c1\u03b7\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ae \u03b1\u03bd\u03ac\u03ba\u03c4\u03b7\u03c3\u03b7\u03c2 \u03c4\u03b7\u03c2 \u03b2\u03ac\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd.<\/p>\n<p>\u039f\u03c1\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03b2\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03c1\u03c5\u03b8\u03bc\u03bf\u03cd\u03c2 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 \u03b1\u03c1\u03c7\u03b5\u03af\u03c9\u03bd \u03ba\u03b1\u03c4\u03b1\u03b3\u03c1\u03b1\u03c6\u03ae\u03c2, \u03ba\u03b1\u03c4\u03b1\u03bd\u03bf\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b9\u03c2 \u03b4\u03b9\u03b1\u03ba\u03c1\u03b9\u03c4\u03ad\u03c2 \u03c6\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b1\u03bd\u03ac\u03ba\u03c4\u03b7\u03c3\u03b7\u03c2 \u03c4\u03b7\u03c2 \u03b2\u03ac\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03b5\u03c6\u03b1\u03c1\u03bc\u03cc\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03b1\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03bc\u03ad\u03c3\u03c9 \u03b9\u03c3\u03c7\u03c5\u03c1\u03ce\u03bd \u03c0\u03bb\u03b1\u03c4\u03c6\u03bf\u03c1\u03bc\u03ce\u03bd \u03cc\u03c0\u03c9\u03c2 \u03c4\u03bf CloudSave, \u03bf\u03b9 \u03bf\u03bc\u03ac\u03b4\u03b5\u03c2 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03b9\u03ba\u03ae\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b5\u03b3\u03b3\u03c5\u03b7\u03b8\u03bf\u03cd\u03bd \u03bc\u03b5 \u03c3\u03b9\u03b3\u03bf\u03c5\u03c1\u03b9\u03ac \u03c4\u03b1 SLA \u03b1\u03bd\u03ac\u03ba\u03c4\u03b7\u03c3\u03b7\u03c2 \u03b1\u03c0\u03cc \u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae. \u0398\u03c5\u03bc\u03b7\u03b8\u03b5\u03af\u03c4\u03b5: \u03c3\u03c4\u03bf\u03bd \u03c4\u03bf\u03bc\u03ad\u03b1 \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03c7\u03b5\u03af\u03c1\u03b9\u03c3\u03b7\u03c2 \u03b2\u03ac\u03c3\u03b5\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd, \u03b7 \u03b5\u03bb\u03c0\u03af\u03b4\u03b1 \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c4\u03c1\u03b1\u03c4\u03b7\u03b3\u03b9\u03ba\u03ae \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03bc\u03b7 \u03b5\u03bb\u03b5\u03b3\u03bc\u03ad\u03bd\u03b1 \u03b1\u03bd\u03c4\u03af\u03b3\u03c1\u03b1\u03c6\u03b1 \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03bf\u03cd\u03bd \u03c5\u03c0\u03bf\u03c7\u03c1\u03ad\u03c9\u03c3\u03b7.<\/p>\n<blockquote>\n<p>\u039c\u03ac\u03b8\u03b5\u03c4\u03b5 \u03c0\u03ce\u03c2 \u03bf\u03b9 \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03bf\u03af DevOps \u03ba\u03b1\u03b9 \u03bf\u03b9 DBAs \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03bf\u03c5\u03bd, \u03bd\u03b1 \u03b5\u03bb\u03ad\u03b3\u03be\u03bf\u03c5\u03bd \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b2\u03b5\u03bb\u03c4\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03bf\u03c5\u03bd \u03bc\u03b5 \u03b1\u03ba\u03c1\u03af\u03b2\u03b5\u03b9\u03b1 \u03c4\u03bf RTO \u03ba\u03b1\u03b9 \u03c4\u03bf RPO \u03b3\u03b9\u03b1 \u03b2\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03b7\u03c2 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1\u03c2 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c0\u03c1\u03bf\u03b7\u03b3\u03bc\u03ad\u03bd\u03bf\u03c5\u03c2 \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03c3\u03bc\u03bf\u03cd\u03c2 \u03b1\u03bd\u03ac\u03ba\u03c4\u03b7\u03c3\u03b7\u03c2, \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 CLI \u03ba\u03b1\u03b9 \u03b1\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2.<\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>**<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rank_math_title":"Calculate RTO & RPO for Mission-Critical Databases","rank_math_description":"**","rank_math_focus_keyword":"calculate RTO and RPO","footnotes":""},"categories":[1517],"tags":[4376,456,3663,3664,4377,4378],"class_list":["post-6114","post","type-post","status-publish","format-standard","hentry","category-disaster-recovery","tag-business-continuity","tag-data-loss-prevention","tag-database-recovery","tag-dba-guide","tag-mission-critical-databases","tag-rto-and-rpo"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.7 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Calculate RTO &amp; RPO for Mission-Critical Databases<\/title>\n<meta name=\"description\" content=\"**\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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content=\"https:\/\/cloudsave.app\/el\/knowledge-base\/%cf%85%cf%80%ce%bf%ce%bb%ce%bf%ce%b3%ce%b9%cf%83%ce%bc%cf%8c%cf%82-rto-%ce%ba%ce%b1%ce%b9-rpo-%ce%b3%ce%b9%ce%b1-%ce%b2%ce%ac%cf%83%ce%b5%ce%b9%cf%82-%ce%b4%ce%b5%ce%b4%ce%bf%ce%bc%ce%ad%ce%bd%cf%89\/\" \/>\n<meta property=\"og:site_name\" content=\"CloudSave\" \/>\n<meta property=\"article:published_time\" content=\"2026-06-18T12:21:20+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-18T12:40:33+00:00\" \/>\n<meta name=\"author\" content=\"shervinrv\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u03a3\u03c5\u03bd\u03c4\u03ac\u03c7\u03b8\u03b7\u03ba\u03b5 \u03b1\u03c0\u03cc\" \/>\n\t<meta name=\"twitter:data1\" content=\"shervinrv\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u0395\u03ba\u03c4\u03b9\u03bc\u03ce\u03bc\u03b5\u03bd\u03bf\u03c2 \u03c7\u03c1\u03cc\u03bd\u03bf\u03c2 \u03b1\u03bd\u03ac\u03b3\u03bd\u03c9\u03c3\u03b7\u03c2\" 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class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/cloudsave.app\\\/el\\\/knowledge-base\\\/%cf%85%cf%80%ce%bf%ce%bb%ce%bf%ce%b3%ce%b9%cf%83%ce%bc%cf%8c%cf%82-rto-%ce%ba%ce%b1%ce%b9-rpo-%ce%b3%ce%b9%ce%b1-%ce%b2%ce%ac%cf%83%ce%b5%ce%b9%cf%82-%ce%b4%ce%b5%ce%b4%ce%bf%ce%bc%ce%ad%ce%bd%cf%89\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/cloudsave.app\\\/el\\\/knowledge-base\\\/%cf%85%cf%80%ce%bf%ce%bb%ce%bf%ce%b3%ce%b9%cf%83%ce%bc%cf%8c%cf%82-rto-%ce%ba%ce%b1%ce%b9-rpo-%ce%b3%ce%b9%ce%b1-%ce%b2%ce%ac%cf%83%ce%b5%ce%b9%cf%82-%ce%b4%ce%b5%ce%b4%ce%bf%ce%bc%ce%ad%ce%bd%cf%89\\\/\"},\"author\":{\"name\":\"shervinrv\",\"@id\":\"https:\\\/\\\/cloudsave.app\\\/el\\\/#\\\/schema\\\/person\\\/286beefe68281d868e87f46603a7ae4d\"},\"headline\":\"\u03a5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc\u03c2 RTO \u03ba\u03b1\u03b9 RPO \u03b3\u03b9\u03b1 \u03b2\u03ac\u03c3\u03b5\u03b9\u03c2 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