{"id":4505,"date":"2026-06-14T19:31:10","date_gmt":"2026-06-14T19:31:10","guid":{"rendered":"https:\/\/cloudsave.app\/?p=4505"},"modified":"2026-06-14T19:41:56","modified_gmt":"2026-06-14T19:41:56","slug":"postgresql-wal-%e0%a6%86%e0%a6%b0-%e0%a6%95-%e0%a6%87%e0%a6%ad-%e0%a6%b8-%e0%a6%a7-%e0%a6%b0%e0%a6%a3-%e0%a6%ad-%e0%a6%b2-%e0%a6%8f%e0%a6%ac-%e0%a6%a1-%e0%a6%9f-%e0%a6%b9-%e0%a6%b0-%e0%a6%a8-%e0%a6%b0","status":"publish","type":"post","link":"https:\/\/cloudsave.app\/bn\/knowledge-base\/postgresql-wal-%e0%a6%86%e0%a6%b0-%e0%a6%95-%e0%a6%87%e0%a6%ad-%e0%a6%b8-%e0%a6%a7-%e0%a6%b0%e0%a6%a3-%e0%a6%ad-%e0%a6%b2-%e0%a6%8f%e0%a6%ac-%e0%a6%a1-%e0%a6%9f-%e0%a6%b9-%e0%a6%b0-%e0%a6%a8-%e0%a6%b0\/","title":{"rendered":"PostgreSQL WAL \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad\u09bf\u0982: \u09b8\u09be\u09a7\u09be\u09b0\u09a3 \u09ad\u09c1\u09b2 \u098f\u09ac\u0982 \u09a1\u09c7\u099f\u09be \u09b9\u09be\u09b0\u09be\u09a8\u09cb\u09b0 \u099d\u09c1\u0981\u0995\u09bf"},"content":{"rendered":"<p>\u09aa\u09cd\u09b0\u09cb\u09a1\u09be\u0995\u09b6\u09a8\u09c7 PostgreSQL \u09aa\u09b0\u09bf\u099a\u09be\u09b2\u09a8\u09be \u0995\u09b0\u09be \u09a1\u09c7\u099f\u09be\u09ac\u09c7\u09b8 \u0985\u09cd\u09af\u09be\u09a1\u09ae\u09bf\u09a8\u09bf\u09b8\u09cd\u099f\u09cd\u09b0\u09c7\u099f\u09b0 (DBAs) \u098f\u09ac\u0982 \u09a1\u09c7\u09ad\u0985\u09aa\u09b8 (DevOps) \u0987\u099e\u09cd\u099c\u09bf\u09a8\u09bf\u09af\u09bc\u09be\u09b0\u09a6\u09c7\u09b0 \u099c\u09a8\u09cd\u09af, \u09a8\u09bf\u09af\u09bc\u09be\u09b0-\u099c\u09bf\u09b0\u09cb \u09b0\u09bf\u0995\u09ad\u09be\u09b0\u09bf \u09aa\u09af\u09bc\u09c7\u09a8\u09cd\u099f \u0985\u09ac\u099c\u09c7\u0995\u09cd\u099f\u09bf\u09ad (RPO) \u0985\u09b0\u09cd\u099c\u09a8 \u0995\u09b0\u09be \u098f\u0995\u099f\u09bf \u09aa\u09cd\u09b0\u09a7\u09be\u09a8 \u09b2\u0995\u09cd\u09b7\u09cd\u09af\u0964 PostgreSQL-\u098f\u09b0 \u09a1\u09bf\u099c\u09be\u09b8\u09cd\u099f\u09be\u09b0 \u09b0\u09bf\u0995\u09ad\u09be\u09b0\u09bf \u098f\u09ac\u0982 \u09aa\u09af\u09bc\u09c7\u09a8\u09cd\u099f-\u0987\u09a8-\u099f\u09be\u0987\u09ae \u09b0\u09bf\u0995\u09ad\u09be\u09b0\u09bf (PITR) \u09b8\u0995\u09cd\u09b7\u09ae\u09a4\u09be\u09b0 \u09ae\u09c2\u09b2\u09c7 \u09b0\u09af\u09bc\u09c7\u099b\u09c7 \u09b0\u09be\u0987\u099f-\u0985\u09b9\u09c7\u09a1 \u09b2\u0997\u09bf\u0982 (WAL)\u0964 \u09af\u09a6\u09bf\u0993 WAL \u09a1\u09c7\u099f\u09be \u09ab\u09be\u0987\u09b2\u09c7 \u09b2\u09c7\u0996\u09be\u09b0 \u0986\u0997\u09c7 \u099f\u09cd\u09b0\u09be\u09a8\u099c\u09cd\u09af\u09be\u0995\u09b6\u09a8\u0997\u09c1\u09b2\u09cb \u09b2\u0997 \u0995\u09b0\u09c7 ACID \u0995\u09ae\u09aa\u09cd\u09b2\u09be\u09af\u09bc\u09c7\u09a8\u09cd\u09b8 \u09a8\u09bf\u09b6\u09cd\u099a\u09bf\u09a4 \u0995\u09b0\u09c7, WAL <em>\u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad\u09bf\u0982<\/em> \u09b9\u09b2\u09cb \u09b8\u09c7\u0987 \u09aa\u09cd\u09b0\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be \u09af\u09be \u09a6\u09c0\u09b0\u09cd\u0998\u09ae\u09c7\u09af\u09bc\u09be\u09a6\u09c0 \u09ac\u09cd\u09af\u09be\u0995\u0986\u09aa \u098f\u09ac\u0982 \u09b0\u09c7\u09aa\u09cd\u09b2\u09bf\u0995\u09c7\u09b6\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u098f\u0987 \u09b2\u0997\u0997\u09c1\u09b2\u09cb\u0995\u09c7 \u09b8\u0982\u09b0\u0995\u09cd\u09b7\u09a3 \u0995\u09b0\u09c7\u0964<\/p>\n<p>\u09af\u09be\u0987\u09b9\u09cb\u0995, WAL \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad\u09bf\u0982 \u0995\u09a8\u09ab\u09bf\u0997\u09be\u09b0 \u0995\u09b0\u09be \u09ae\u09be\u09a8\u09c7\u0987 &#8220;\u098f\u0995\u09ac\u09be\u09b0 \u09b8\u09c7\u099f \u0995\u09b0\u09c7 \u09ad\u09c1\u09b2\u09c7 \u09af\u09be\u0993\u09af\u09bc\u09be&#8221; \u09a8\u09af\u09bc\u0964 \u09ad\u09c1\u09b2 \u0995\u09a8\u09ab\u09bf\u0997\u09be\u09b0\u09c7\u09b6\u09a8, \u09a8\u09c0\u09b0\u09ac\u09c7 \u09ac\u09cd\u09af\u09b0\u09cd\u09a5\u09a4\u09be \u098f\u09ac\u0982 \u0986\u09b0\u09cd\u0995\u09bf\u099f\u09c7\u0995\u099a\u09be\u09b0\u09be\u09b2 \u09ad\u09c1\u09b2 \u09ac\u09cb\u099d\u09be\u09ac\u09c1\u099d\u09bf\u09b0 \u0995\u09be\u09b0\u09a3\u09c7 \u09ac\u09bf\u09aa\u09b0\u09cd\u09af\u09af\u09bc\u0995\u09b0 \u09a1\u09c7\u099f\u09be \u09b2\u09b8, \u09b8\u09cd\u09aa\u09cd\u09b2\u09bf\u099f-\u09ac\u09cd\u09b0\u09c7\u0987\u09a8 \u09aa\u09b0\u09bf\u09b8\u09cd\u09a5\u09bf\u09a4\u09bf \u09ac\u09be \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u09a1\u09c7\u099f\u09be\u09ac\u09c7\u09b8 \u09ac\u09bf\u09ad\u09cd\u09b0\u09be\u099f \u0998\u099f\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u0964<\/p>\n<p>\u098f\u0987 \u09ac\u09bf\u09b8\u09cd\u09a4\u09be\u09b0\u09bf\u09a4 \u09a8\u09bf\u09b0\u09cd\u09a6\u09c7\u09b6\u09bf\u0995\u09be\u09af\u09bc, \u0986\u09ae\u09b0\u09be PostgreSQL WAL \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad\u09bf\u0982\u09af\u09bc\u09c7\u09b0 \u0986\u09b0\u09cd\u0995\u09bf\u099f\u09c7\u0995\u099a\u09be\u09b0 \u0985\u09a8\u09cd\u09ac\u09c7\u09b7\u09a3 \u0995\u09b0\u09ac, \u09a1\u09c7\u099f\u09be \u09b2\u09b8\u09c7\u09b0 \u09a6\u09bf\u0995\u09c7 \u09a8\u09bf\u09af\u09bc\u09c7 \u09af\u09be\u0993\u09af\u09bc\u09be \u09b8\u09ac\u099a\u09c7\u09af\u09bc\u09c7 \u09b8\u09be\u09a7\u09be\u09b0\u09a3 \u09ad\u09c1\u09b2\u0997\u09c1\u09b2\u09cb \u099a\u09bf\u09b9\u09cd\u09a8\u09bf\u09a4 \u0995\u09b0\u09ac \u098f\u09ac\u0982 \u0986\u09aa\u09a8\u09be\u09b0 \u09a1\u09c7\u099f\u09be\u09ac\u09c7\u09b8\u0995\u09c7 \u09b8\u09c1\u09b0\u0995\u09cd\u09b7\u09bf\u09a4 \u09b0\u09be\u0996\u09a4\u09c7 \u09aa\u09cd\u09b0\u09cb\u09a1\u09be\u0995\u09b6\u09a8-\u0997\u09cd\u09b0\u09c7\u09a1 \u09b8\u09b0\u09cd\u09ac\u09cb\u09a4\u09cd\u09a4\u09ae \u0985\u09a8\u09c1\u09b6\u09c0\u09b2\u09a8\u0997\u09c1\u09b2\u09cb \u09a4\u09c1\u09b2\u09c7 \u09a7\u09b0\u09ac\u0964<\/p>\n<h2>PostgreSQL WAL \u0986\u09b0\u09cd\u0995\u09bf\u099f\u09c7\u0995\u099a\u09be\u09b0 \u09ac\u09cb\u099d\u09be<\/h2>\n<p>\u09ad\u09c1\u09b2\u0997\u09c1\u09b2\u09cb \u09a8\u09bf\u09af\u09bc\u09c7 \u0986\u09b2\u09cb\u099a\u09a8\u09be \u0995\u09b0\u09be\u09b0 \u0986\u0997\u09c7, PostgreSQL \u0995\u09c0\u09ad\u09be\u09ac\u09c7 \u099f\u09cd\u09b0\u09be\u09a8\u099c\u09cd\u09af\u09be\u0995\u09b6\u09a8 \u09b2\u0997 \u09aa\u09b0\u09bf\u099a\u09be\u09b2\u09a8\u09be \u0995\u09b0\u09c7 \u09a4\u09be \u09ac\u09cb\u099d\u09be \u0985\u09a4\u09cd\u09af\u09a8\u09cd\u09a4 \u0997\u09c1\u09b0\u09c1\u09a4\u09cd\u09ac\u09aa\u09c2\u09b0\u09cd\u09a3\u0964<\/p>\n<p>PostgreSQL \u09b8\u09ae\u09b8\u09cd\u09a4 \u09aa\u09b0\u09bf\u09ac\u09b0\u09cd\u09a4\u09a8 WAL \u09b8\u09c7\u0997\u09ae\u09c7\u09a8\u09cd\u099f\u09c7 (\u09a1\u09bf\u09ab\u09b2\u09cd\u099f\u09ad\u09be\u09ac\u09c7 16MB \u09ab\u09be\u0987\u09b2) \u09b2\u09c7\u0996\u09c7, \u09af\u09be <code>pg_wal<\/code> \u09a1\u09bf\u09b0\u09c7\u0995\u09cd\u099f\u09b0\u09bf\u09a4\u09c7 (\u09b8\u0982\u09b8\u09cd\u0995\u09b0\u09a3 10-\u098f\u09b0 \u0986\u0997\u09c7 <code>pg_xlog<\/code> \u09a8\u09be\u09ae\u09c7 \u09aa\u09b0\u09bf\u099a\u09bf\u09a4) \u09a5\u09be\u0995\u09c7\u0964 \u09aa\u09cd\u09b0\u09a4\u09bf\u099f\u09bf \u099f\u09cd\u09b0\u09be\u09a8\u099c\u09cd\u09af\u09be\u0995\u09b6\u09a8 \u0995\u09cd\u09b0\u09ae\u09be\u09a8\u09c1\u09b8\u09be\u09b0\u09c7 \u09b0\u09c7\u0995\u09b0\u09cd\u09a1 \u0995\u09b0\u09be \u09b9\u09af\u09bc \u098f\u09ac\u0982 \u098f\u0995\u099f\u09bf \u09b2\u0997 \u09b8\u09bf\u0995\u09cb\u09af\u09bc\u09c7\u09a8\u09cd\u09b8 \u09a8\u09ae\u09cd\u09ac\u09b0 (LSN) \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u099a\u09bf\u09b9\u09cd\u09a8\u09bf\u09a4 \u0995\u09b0\u09be \u09b9\u09af\u09bc\u0964<\/p>\n<p>\u09af\u0996\u09a8 \u098f\u0995\u099f\u09bf WAL \u09b8\u09c7\u0997\u09ae\u09c7\u09a8\u09cd\u099f \u09aa\u09c2\u09b0\u09cd\u09a3 \u09b9\u09af\u09bc\u09c7 \u09af\u09be\u09af\u09bc, PostgreSQL \u098f\u0995\u099f\u09bf \u09a8\u09a4\u09c1\u09a8 \u09b8\u09c7\u0997\u09ae\u09c7\u09a8\u09cd\u099f\u09c7 \u09b8\u09c1\u0987\u099a \u0995\u09b0\u09c7\u0964 <code>pg_wal<\/code> \u09a1\u09bf\u09b0\u09c7\u0995\u09cd\u099f\u09b0\u09bf\u0995\u09c7 \u0985\u09b8\u09c0\u09ae\u09ad\u09be\u09ac\u09c7 \u09ac\u09c3\u09a6\u09cd\u09a7\u09bf \u09aa\u09be\u0993\u09af\u09bc\u09be \u09a5\u09c7\u0995\u09c7 \u09b0\u09cb\u09a7 \u0995\u09b0\u09a4\u09c7, \u0995\u09cd\u09b0\u09cd\u09af\u09be\u09b6 \u09b0\u09bf\u0995\u09ad\u09be\u09b0\u09bf \u09ac\u09be \u09b0\u09c7\u09aa\u09cd\u09b2\u09bf\u0995\u09c7\u09b6\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u0986\u09b0 \u09aa\u09cd\u09b0\u09af\u09bc\u09cb\u099c\u09a8 \u09a8\u09be \u09b9\u09b2\u09c7 PostgreSQL \u09aa\u09c1\u09b0\u09a8\u09cb WAL \u09b8\u09c7\u0997\u09ae\u09c7\u09a8\u09cd\u099f\u0997\u09c1\u09b2\u09cb \u09b0\u09bf\u09b8\u09be\u0987\u0995\u09c7\u09b2 \u09ac\u09be \u09ae\u09c1\u099b\u09c7 \u09ab\u09c7\u09b2\u09c7\u0964<\/p>\n<p><strong>WAL \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad\u09bf\u0982<\/strong> \u098f\u0987 \u09b0\u09bf\u09b8\u09be\u0987\u0995\u09cd\u09b2\u09bf\u0982 \u09aa\u09cd\u09b0\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u099f\u09bf\u0995\u09c7 \u09ac\u09be\u09a7\u09be \u09a6\u09c7\u09af\u09bc\u0964 \u09af\u0996\u09a8 <code>archive_mode<\/code> \u09b8\u0995\u09cd\u09b0\u09bf\u09af\u09bc \u09a5\u09be\u0995\u09c7, \u09a4\u0996\u09a8 PostgreSQL \u098f\u0995\u099f\u09bf \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0\u0995\u09be\u09b0\u09c0-\u09b8\u0982\u099c\u09cd\u099e\u09be\u09af\u09bc\u09bf\u09a4 <code>archive_command<\/code> (\u0985\u09a5\u09ac\u09be PostgreSQL 15+ \u098f <code>archive_library<\/code>) \u0995\u09be\u09b0\u09cd\u09af\u0995\u09b0 \u0995\u09b0\u09c7, \u09af\u09be\u09a4\u09c7 \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 WAL \u09b8\u09c7\u0997\u09ae\u09c7\u09a8\u09cd\u099f\u099f\u09bf \u09ae\u09c1\u099b\u09c7 \u09ab\u09c7\u09b2\u09be \u09ac\u09be \u0993\u09ad\u09be\u09b0\u09b0\u09be\u0987\u099f \u09b9\u0993\u09af\u09bc\u09be\u09b0 \u0986\u0997\u09c7 \u098f\u0995\u099f\u09bf \u09a8\u09bf\u09b0\u09be\u09aa\u09a6, \u09b8\u09c7\u0995\u09c7\u09a8\u09cd\u09a1\u09be\u09b0\u09bf \u0985\u09ac\u09b8\u09cd\u09a5\u09be\u09a8\u09c7 \u0995\u09aa\u09bf \u0995\u09b0\u09be \u09af\u09be\u09af\u09bc\u0964<\/p>\n<p>\u09aa\u09af\u09bc\u09c7\u09a8\u09cd\u099f-\u0987\u09a8-\u099f\u09be\u0987\u09ae \u09b0\u09bf\u0995\u09ad\u09be\u09b0\u09bf (PITR) \u09b8\u09ae\u09cd\u09aa\u09be\u09a6\u09a8 \u0995\u09b0\u09a4\u09c7 \u0986\u09aa\u09a8\u09be\u09b0 \u09a6\u09c1\u099f\u09bf \u0989\u09aa\u09be\u09a6\u09be\u09a8\u09c7\u09b0 \u09aa\u09cd\u09b0\u09af\u09bc\u09cb\u099c\u09a8:<br \/>\n\u09e7. \u098f\u0995\u099f\u09bf \u09ac\u09c8\u09a7 \u09ac\u09c7\u09b8 \u09ac\u09cd\u09af\u09be\u0995\u0986\u09aa\u0964<br \/>\n\u09e8. \u09ac\u09c7\u09b8 \u09ac\u09cd\u09af\u09be\u0995\u0986\u09aa\u09c7\u09b0 \u09b8\u09ae\u09af\u09bc \u09a5\u09c7\u0995\u09c7 \u0986\u09aa\u09a8\u09be\u09b0 \u0995\u09be\u0999\u09cd\u0995\u09cd\u09b7\u09bf\u09a4 \u09b0\u09bf\u0995\u09ad\u09be\u09b0\u09bf \u09b8\u09ae\u09af\u09bc \u09aa\u09b0\u09cd\u09af\u09a8\u09cd\u09a4 \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad \u0995\u09b0\u09be WAL \u09ab\u09be\u0987\u09b2\u0997\u09c1\u09b2\u09cb\u09b0 \u098f\u0995\u099f\u09bf \u0985\u09ac\u09bf\u099a\u09cd\u099b\u09bf\u09a8\u09cd\u09a8 \u099a\u09c7\u0987\u09a8\u0964<\/p>\n<p>\u09af\u09a6\u09bf \u09b8\u09c7\u0987 WAL \u099a\u09c7\u0987\u09a8\u099f\u09bf \u09ad\u09c7\u0999\u09c7 \u09af\u09be\u09af\u09bc, \u09a4\u09ac\u09c7 \u0986\u09aa\u09a8\u09be\u09b0 PITR \u09ac\u09cd\u09af\u09b0\u09cd\u09a5 \u09b9\u09ac\u09c7\u0964<\/p>\n<h2>\u09aa\u09cd\u09b0\u09cb\u09a1\u09be\u0995\u09b6\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af WAL \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad\u09bf\u0982 \u0995\u09a8\u09ab\u09bf\u0997\u09be\u09b0 \u0995\u09b0\u09be<\/h2>\n<p>WAL \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad\u09bf\u0982 \u09b8\u0995\u09cd\u09b0\u09bf\u09af\u09bc \u0995\u09b0\u09a4\u09c7, \u0986\u09aa\u09a8\u09be\u0995\u09c7 \u0985\u09ac\u09b6\u09cd\u09af\u0987 \u0986\u09aa\u09a8\u09be\u09b0 <code>postgresql.conf<\/code> \u09ab\u09be\u0987\u09b2\u099f\u09bf \u09aa\u09b0\u09bf\u09ac\u09b0\u09cd\u09a4\u09a8 \u0995\u09b0\u09a4\u09c7 \u09b9\u09ac\u09c7\u0964 \u098f\u0995\u099f\u09bf \u09ae\u09cc\u09b2\u09bf\u0995 \u0995\u09a8\u09ab\u09bf\u0997\u09be\u09b0\u09c7\u09b6\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af <code>wal_level<\/code> \u09b8\u09c7\u099f \u0995\u09b0\u09be, <code>archive_mode<\/code> \u09b8\u0995\u09cd\u09b0\u09bf\u09af\u09bc \u0995\u09b0\u09be \u098f\u09ac\u0982 <code>archive_command<\/code> \u09b8\u0982\u099c\u09cd\u099e\u09be\u09af\u09bc\u09bf\u09a4 \u0995\u09b0\u09be \u09aa\u09cd\u09b0\u09af\u09bc\u09cb\u099c\u09a8\u0964<\/p>\n<pre><code class=\"language-ini\"># postgresql.conf\nwal_level = replica             # \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad\u09bf\u0982\u09af\u09bc\u09c7\u09b0 \u099c\u09a8\u09cd\u09af 'replica' \u09ac\u09be 'logical' \u09aa\u09cd\u09b0\u09af\u09bc\u09cb\u099c\u09a8\narchive_mode = on               # \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad\u09be\u09b0 \u09aa\u09cd\u09b0\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be \u09b8\u0995\u09cd\u09b0\u09bf\u09af\u09bc \u0995\u09b0\u09c7\narchive_command = 'test ! -f \/mnt\/nfs\/archive\/%f &amp;&amp; cp %p \/mnt\/nfs\/archive\/%f'\narchive_timeout = 600           # \u09aa\u09cd\u09b0\u09a4\u09bf 10 \u09ae\u09bf\u09a8\u09bf\u099f\u09c7 \u098f\u0995\u099f\u09bf WAL \u09b8\u09c1\u0987\u099a \u099c\u09cb\u09b0\u09aa\u09c2\u09b0\u09cd\u09ac\u0995 \u0995\u09be\u09b0\u09cd\u09af\u0995\u09b0 \u0995\u09b0\u09c7\n<\/code><\/pre>\n<p><code>archive_command<\/code>-\u098f:<br \/>\n* <code>%p<\/code> \u09b9\u09b2\u09cb \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad \u0995\u09b0\u09be\u09b0 \u099c\u09a8\u09cd\u09af WAL \u09ab\u09be\u0987\u09b2\u09c7\u09b0 \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u09aa\u09be\u09a5\u0964<br \/>\n* <code>%f<\/code> \u09b9\u09b2\u09cb WAL \u09ab\u09be\u0987\u09b2\u09c7\u09b0 \u09a8\u09be\u09ae\u0964<\/p>\n<p>\u09af\u09a6\u09bf\u0993 \u0989\u09aa\u09b0\u09c7\u09b0 \u0995\u09a8\u09ab\u09bf\u0997\u09be\u09b0\u09c7\u09b6\u09a8\u099f\u09bf \u09b8\u09b9\u099c \u09ae\u09a8\u09c7 \u09b9\u09af\u09bc, \u098f\u09a8\u09cd\u099f\u09be\u09b0\u09aa\u09cd\u09b0\u09be\u0987\u099c \u09aa\u09b0\u09bf\u09ac\u09c7\u09b6\u09c7 \u09b8\u09be\u09a7\u09be\u09b0\u09a3 \u09b6\u09c7\u09b2 \u0995\u09ae\u09be\u09a8\u09cd\u09a1\u09c7\u09b0 \u0993\u09aa\u09b0 \u09a8\u09bf\u09b0\u09cd\u09ad\u09b0 \u0995\u09b0\u09be \u0989\u09b2\u09cd\u09b2\u09c7\u0996\u09af\u09cb\u0997\u09cd\u09af \u099d\u09c1\u0981\u0995\u09bf \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09c7\u0964<\/p>\n<h2>WAL \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad\u09bf\u0982\u09af\u09bc\u09c7\u09b0 \u09b8\u09be\u09a7\u09be\u09b0\u09a3 \u09ad\u09c1\u09b2\u09b8\u09ae\u09c2\u09b9<\/h2>\n<h3>\u09ad\u09c1\u09b2 \u09e7: <code>archive_command<\/code>-\u098f\u09b0 &#8220;\u09a8\u09c0\u09b0\u09ac \u09b8\u09be\u09ab\u09b2\u09cd\u09af&#8221;<\/h3>\n<p>PostgreSQL \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3\u09ad\u09be\u09ac\u09c7 <code>archive_command<\/code>-\u098f\u09b0 \u098f\u0995\u09cd\u09b8\u09bf\u099f \u0995\u09cb\u09a1\u09c7\u09b0 \u0993\u09aa\u09b0 \u09a8\u09bf\u09b0\u09cd\u09ad\u09b0 \u0995\u09b0\u09c7\u0964 \u09af\u09a6\u09bf \u0995\u09ae\u09be\u09a8\u09cd\u09a1\u099f\u09bf <code>0<\/code> \u09b0\u09bf\u099f\u09be\u09b0\u09cd\u09a8 \u0995\u09b0\u09c7, \u09a4\u09ac\u09c7 PostgreSQL \u09a7\u09b0\u09c7 \u09a8\u09c7\u09af\u09bc \u09af\u09c7 WAL \u09ab\u09be\u0987\u09b2\u099f\u09bf \u09a8\u09bf\u09b0\u09be\u09aa\u09a6\u09c7 \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad \u0995\u09b0\u09be \u09b9\u09af\u09bc\u09c7\u099b\u09c7 \u098f\u09ac\u0982 \u09ae\u09c2\u09b2 \u09ab\u09be\u0987\u09b2\u099f\u09bf \u09b0\u09bf\u09b8\u09be\u0987\u0995\u09c7\u09b2 \u0995\u09b0\u09be\u09b0 \u09aa\u09cd\u09b0\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be \u09b6\u09c1\u09b0\u09c1 \u0995\u09b0\u09c7\u0964<\/p>\n<p>\u098f\u0995\u099f\u09bf \u09b8\u09be\u09a7\u09be\u09b0\u09a3 \u09ad\u09c1\u09b2 \u09b9\u09b2\u09cb \u098f\u09ae\u09a8 \u098f\u0995\u099f\u09bf \u0995\u09ae\u09be\u09a8\u09cd\u09a1 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be \u09af\u09be \u09a1\u09c7\u099f\u09be \u09b8\u09cd\u09a5\u09be\u09af\u09bc\u09c0 \u09b8\u09cd\u099f\u09cb\u09b0\u09c7\u099c\u09c7 \u09ab\u09cd\u09b2\u09cd\u09af\u09be\u09b6 \u09a8\u09be \u09b9\u09b2\u09c7\u0993 <code>0<\/code> \u09b0\u09bf\u099f\u09be\u09b0\u09cd\u09a8 \u0995\u09b0\u09c7\u0964 \u0989\u09a6\u09be\u09b9\u09b0\u09a3\u09b8\u09cd\u09ac\u09b0\u09c2\u09aa, \u098f\u0995\u099f\u09bf \u09b8\u09be\u09a7\u09be\u09b0\u09a3 <code>cp<\/code> \u0995\u09ae\u09be\u09a8\u09cd\u09a1 \u09a1\u09c7\u099f\u09be \u0997\u09a8\u09cd\u09a4\u09ac\u09cd\u09af \u09b8\u09be\u09b0\u09cd\u09ad\u09be\u09b0\u09c7\u09b0 \u0993\u098f\u09b8 \u09aa\u09c7\u099c \u0995\u09cd\u09af\u09be\u09b6\u09c7 \u09aa\u09cc\u0981\u099b\u09be\u09a8\u09cb\u09b0 \u09b8\u09be\u09a5\u09c7 \u09b8\u09be\u09a5\u09c7\u0987 \u09b8\u09be\u09ab\u09b2\u09cd\u09af \u09a6\u09c7\u0996\u09be\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u0964 \u09af\u09a6\u09bf \u09a1\u09bf\u09b8\u09cd\u0995\u09c7 \u0995\u09cd\u09af\u09be\u09b6 \u09ab\u09cd\u09b2\u09cd\u09af\u09be\u09b6 \u09b9\u0993\u09af\u09bc\u09be\u09b0 \u0986\u0997\u09c7\u0987 \u0997\u09a8\u09cd\u09a4\u09ac\u09cd\u09af \u09b8\u09be\u09b0\u09cd\u09ad\u09be\u09b0\u09c7\u09b0 \u09ac\u09bf\u09a6\u09cd\u09af\u09c1\u09ce \u099a\u09b2\u09c7 \u09af\u09be\u09af\u09bc, \u09a4\u09ac\u09c7 WAL \u09ab\u09be\u0987\u09b2\u099f\u09bf \u09b9\u09be\u09b0\u09bf\u09af\u09bc\u09c7 \u09af\u09be\u09ac\u09c7, \u0995\u09bf\u09a8\u09cd\u09a4\u09c1 PostgreSQL \u0987\u09a4\u09bf\u09ae\u09a7\u09cd\u09af\u09c7 \u09a4\u09be\u09b0 \u09b8\u09cd\u09a5\u09be\u09a8\u09c0\u09af\u09bc \u0995\u09aa\u09bf \u09ae\u09c1\u099b\u09c7 \u09ab\u09c7\u09b2\u09c7\u099b\u09c7\u0964<\/p>\n<p><strong>\u099d\u09c1\u0981\u0995\u09bf:<\/strong> \u098f\u0995\u099f\u09bf \u09ad\u09be\u0999\u09be WAL \u099a\u09c7\u0987\u09a8 \u098f\u09ac\u0982 PITR \u09b8\u09ae\u09cd\u09aa\u09be\u09a6\u09a8 \u0995\u09b0\u09a4\u09c7 \u0985\u0995\u09cd\u09b7\u09ae\u09a4\u09be, \u09af\u09be \u0995\u09c7\u09ac\u09b2 \u09a1\u09bf\u099c\u09be\u09b8\u09cd\u099f\u09be\u09b0 \u09b0\u09bf\u0995\u09ad\u09be\u09b0\u09bf\u09b0 \u09b8\u09ae\u09af\u09bc \u09a7\u09b0\u09be \u09aa\u09a1\u09bc\u09c7\u0964<\/p>\n<p><strong>\u09aa\u09cd\u09b0\u09a4\u09bf\u0995\u09be\u09b0:<\/strong> \u0986\u09aa\u09a8\u09be\u09b0 \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad\u09bf\u0982 \u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09af\u09c7\u09a8 \u09b8\u09bf\u0999\u09cd\u0995\u09cd\u09b0\u09cb\u09a8\u09be\u09b8 \u09b0\u09be\u0987\u099f \u09a8\u09bf\u09b6\u09cd\u099a\u09bf\u09a4 \u0995\u09b0\u09c7 \u09a4\u09be \u09a6\u09c7\u0996\u09c1\u09a8\u0964 \u09af\u09a6\u09bf \u09b8\u09cd\u099f\u09cd\u09af\u09be\u09a8\u09cd\u09a1\u09be\u09b0\u09cd\u09a1 \u09b6\u09c7\u09b2 \u0995\u09ae\u09be\u09a8\u09cd\u09a1 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7\u09a8, \u09a4\u09ac\u09c7 \u098f\u09ae\u09a8 \u099f\u09c1\u09b2 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c1\u09a8 \u09af\u09be \u09a1\u09c7\u099f\u09be \u09ab\u09cd\u09b2\u09cd\u09af\u09be\u09b6 \u09b9\u0993\u09af\u09bc\u09be \u09a8\u09bf\u09b6\u09cd\u099a\u09bf\u09a4 \u0995\u09b0\u09c7, \u0985\u09a5\u09ac\u09be \u098f\u0995\u099f\u09bf \u09b0\u200d\u09cd\u09af\u09be\u09aa\u09be\u09b0 \u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09b2\u09bf\u0996\u09c1\u09a8 \u09af\u09be \u099f\u09cd\u09b0\u09be\u09a8\u09cd\u09b8\u09ab\u09be\u09b0\u09c7\u09b0 \u09aa\u09b0\u09c7 \u09ab\u09be\u0987\u09b2\u09c7\u09b0 \u0986\u0995\u09be\u09b0 \u098f\u09ac\u0982 \u099a\u09c7\u0995\u09b8\u09be\u09ae \u09af\u09be\u099a\u09be\u0987 \u0995\u09b0\u09c7\u0964<\/p>\n<h3>\u09ad\u09c1\u09b2 \u09e8: <code>pg_wal<\/code> \u09aa\u09be\u09b0\u09cd\u099f\u09bf\u09b6\u09a8 \u09aa\u09c2\u09b0\u09cd\u09a3 \u09b9\u09af\u09bc\u09c7 \u09af\u09be\u0993\u09af\u09bc\u09be (WAL Bloat)<\/h3>\n<p>\u09af\u09a6\u09bf <code>archive_command<\/code> \u09ac\u09cd\u09af\u09b0\u09cd\u09a5 \u09b9\u09af\u09bc (\u09a8\u09a8-\u099c\u09bf\u09b0\u09cb \u098f\u0995\u09cd\u09b8\u09bf\u099f \u0995\u09cb\u09a1 \u09b0\u09bf\u099f\u09be\u09b0\u09cd\u09a8 \u0995\u09b0\u09c7)\u2014\u09a8\u09c7\u099f\u0993\u09af\u09bc\u09be\u09b0\u09cd\u0995 \u09ac\u09bf\u09ad\u09cd\u09b0\u09be\u099f, \u09ad\u09c1\u09b2 \u09aa\u09be\u09b0\u09ae\u09bf\u09b6\u09a8 \u09ac\u09be \u0997\u09a8\u09cd\u09a4\u09ac\u09cd\u09af \u09a1\u09bf\u09b8\u09cd\u0995 \u09aa\u09c2\u09b0\u09cd\u09a3 \u09b9\u0993\u09af\u09bc\u09be\u09b0 \u0995\u09be\u09b0\u09a3\u09c7\u2014\u09a4\u09ac\u09c7 PostgreSQL WAL \u09ab\u09be\u0987\u09b2\u099f\u09bf\u0995\u09c7 <code>pg_wal<\/code> \u09a1\u09bf\u09b0\u09c7\u0995\u09cd\u099f\u09b0\u09bf\u09a4\u09c7 \u09b0\u09c7\u0996\u09c7 \u09a6\u09c7\u09ac\u09c7 \u098f\u09ac\u0982 \u0985\u09a8\u09bf\u09b0\u09cd\u09a6\u09bf\u09b7\u09cd\u099f\u0995\u09be\u09b2\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u0995\u09ae\u09be\u09a8\u09cd\u09a1\u099f\u09bf \u09aa\u09c1\u09a8\u09b0\u09be\u09af\u09bc \u099a\u09c7\u09b7\u09cd\u099f\u09be \u0995\u09b0\u09ac\u09c7\u0964<\/p>\n<p>\u09af\u09a6\u09bf\u0993 \u098f\u099f\u09bf \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad \u09a8\u09be \u09b9\u0993\u09af\u09bc\u09be WAL \u09ab\u09be\u0987\u09b2\u0997\u09c1\u09b2\u09cb \u09ae\u09c1\u099b\u09c7 \u09a8\u09be \u09ab\u09c7\u09b2\u09c7 \u09a1\u09c7\u099f\u09be \u09b2\u09b8 \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7 \u0995\u09b0\u09c7, \u098f\u099f\u09bf \u098f\u0995\u099f\u09bf \u0997\u09c1\u09b0\u09c1\u09a4\u09b0 \u09aa\u09cd\u09b0\u09be\u09aa\u09cd\u09af\u09a4\u09be \u099d\u09c1\u0981\u0995\u09bf \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09c7\u0964 \u09af\u09a6\u09bf <code>pg_wal<\/code> \u09a1\u09bf\u09b0\u09c7\u0995\u09cd\u099f\u09b0\u09bf \u098f\u09ae\u09a8 \u098f\u0995\u099f\u09bf \u09aa\u09be\u09b0\u09cd\u099f\u09bf\u09b6\u09a8\u09c7 \u09a5\u09be\u0995\u09c7 \u09af\u09be 100% \u09aa\u09c2\u09b0\u09cd\u09a3 \u09b9\u09af\u09bc\u09c7 \u09af\u09be\u09af\u09bc, \u09a4\u09ac\u09c7 PostgreSQL \u098f\u0995\u099f\u09bf <code>PANIC<\/code> \u0987\u09b8\u09cd\u09af\u09c1 \u0995\u09b0\u09ac\u09c7 \u098f\u09ac\u0982 \u0995\u09cd\u09b0\u09cd\u09af\u09be\u09b6 \u0995\u09b0\u09ac\u09c7\u0964 \u099c\u09be\u09af\u09bc\u0997\u09be \u0996\u09be\u09b2\u09bf \u09a8\u09be \u0995\u09b0\u09be \u09aa\u09b0\u09cd\u09af\u09a8\u09cd\u09a4 \u09a1\u09c7\u099f\u09be\u09ac\u09c7\u09b8 \u0986\u09b0 \u099a\u09be\u09b2\u09c1 \u09b9\u09ac\u09c7 \u09a8\u09be\u0964<\/p>\n<p><strong>\u099d\u09c1\u0981\u0995\u09bf:<\/strong> <code>pg_wal<\/code> \u09aa\u09be\u09b0\u09cd\u099f\u09bf\u09b6\u09a8 \u09aa\u09c2\u09b0\u09cd\u09a3 \u09b9\u0993\u09af\u09bc\u09be\u09b0 \u0995\u09be\u09b0\u09a3\u09c7 \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u09a1\u09c7\u099f\u09be\u09ac\u09c7\u09b8 \u09a1\u09be\u0989\u09a8\u099f\u09be\u0987\u09ae\u0964<\/p>\n<p><strong>\u09aa\u09cd\u09b0\u09a4\u09bf\u0995\u09be\u09b0:<\/strong><br \/>\n\u09e7. \u09b8\u09b0\u09cd\u09ac\u09a6\u09be <code>pg_wal<\/code>-\u0995\u09c7 \u098f\u0995\u099f\u09bf \u09a1\u09c7\u09a1\u09bf\u0995\u09c7\u099f\u09c7\u09a1 \u09a1\u09bf\u09b8\u09cd\u0995 \u09aa\u09be\u09b0\u09cd\u099f\u09bf\u09b6\u09a8\u09c7 \u09b0\u09be\u0996\u09c1\u09a8\u0964<br \/>\n\u09e8. <code>pg_wal<\/code> \u09a1\u09bf\u09b0\u09c7\u0995\u09cd\u099f\u09b0\u09bf\u09b0 \u0986\u0995\u09be\u09b0\u09c7\u09b0 \u0993\u09aa\u09b0 \u0995\u09a0\u09cb\u09b0 \u09ae\u09a8\u09bf\u099f\u09b0\u09bf\u0982 \u09aa\u09cd\u09b0\u09af\u09bc\u09cb\u0997 \u0995\u09b0\u09c1\u09a8\u0964<br \/>\n\u09e9. \u09ac\u09cd\u09af\u09b0\u09cd\u09a5 \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad \u0995\u09ae\u09be\u09a8\u09cd\u09a1\u0997\u09c1\u09b2\u09cb \u0985\u09ac\u09bf\u09b2\u09ae\u09cd\u09ac\u09c7 \u09b6\u09a8\u09be\u0995\u09cd\u09a4 \u0995\u09b0\u09a4\u09c7 <code>pg_stat_archiver<\/code> \u09ad\u09bf\u0989 \u09ae\u09a8\u09bf\u099f\u09b0 \u0995\u09b0\u09c1\u09a8\u0964<\/p>\n<h3>\u09ad\u09c1\u09b2 \u09e9: \u0985\u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u09ac\u09c7\u09b8 \u09ac\u09cd\u09af\u09be\u0995\u0986\u09aa<\/h3>\n<p>\u09ac\u09cd\u09af\u09be\u0995\u0986\u09aa \u09aa\u09cd\u09b0\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be \u099a\u09b2\u09be\u0995\u09be\u09b2\u09c0\u09a8 \u09a4\u09c8\u09b0\u09bf \u09b9\u0993\u09af\u09bc\u09be WAL \u09ab\u09be\u0987\u09b2\u0997\u09c1\u09b2\u09cb \u099b\u09be\u09a1\u09bc\u09be \u098f\u0995\u099f\u09bf \u09ac\u09c7\u09b8 \u09ac\u09cd\u09af\u09be\u0995\u0986\u09aa \u0985\u0995\u09c7\u099c\u09cb\u0964 \u09af\u09a6\u09bf \u0986\u09aa\u09a8\u09bf \u09ab\u09be\u0987\u09b2\u09b8\u09bf\u09b8\u09cd\u099f\u09c7\u09ae-\u09b2\u09c7\u09ad\u09c7\u09b2 \u09b8\u09cd\u09a8\u09cd\u09af\u09be\u09aa\u09b6\u099f \u09a8\u09c7\u09a8 \u09ac\u09be WAL \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u09ae \u09a8\u09be \u0995\u09b0\u09c7 (<code>-X stream<\/code> \u099b\u09be\u09a1\u09bc\u09be) <code>pg_basebackup<\/code> \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7\u09a8, \u09a4\u09ac\u09c7 \u0986\u09aa\u09a8\u09be\u0995\u09c7 \u0985\u09ac\u09b6\u09cd\u09af\u0987 \u09a8\u09bf\u09b6\u09cd\u099a\u09bf\u09a4 \u0995\u09b0\u09a4\u09c7 \u09b9\u09ac\u09c7 \u09af\u09c7 \u09ac\u09cd\u09af\u09be\u0995\u0986\u09aa\u09c7\u09b0 \u09b6\u09c1\u09b0\u09c1 \u098f\u09ac\u0982 \u09b6\u09c7\u09b7\u09c7\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u09a4\u09c8\u09b0\u09bf \u09b9\u0993\u09af\u09bc\u09be WAL \u09ab\u09be\u0987\u09b2\u0997\u09c1\u09b2\u09cb \u09b8\u09ab\u09b2\u09ad\u09be\u09ac\u09c7 \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad \u09b9\u09af\u09bc\u09c7\u099b\u09c7\u0964<\/p>\n<p>\u09af\u09a6\u09bf \u0986\u09aa\u09a8\u09be\u09b0 \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad\u09be\u09b0 \u09a7\u09c0\u09b0\u0997\u09a4\u09bf\u09b0 \u09b9\u09af\u09bc \u09ac\u09be \u09ac\u09cd\u09af\u09b0\u09cd\u09a5 \u09b9\u09af\u09bc \u098f\u09ac\u0982 \u09b8\u09c7\u0987 \u09a8\u09bf\u09b0\u09cd\u09a6\u09bf\u09b7\u09cd\u099f WAL \u09ab\u09be\u0987\u09b2\u0997\u09c1\u09b2\u09cb \u09b9\u09be\u09b0\u09bf\u09af\u09bc\u09c7 \u09af\u09be\u09af\u09bc, \u09a4\u09ac\u09c7 \u09ac\u09c7\u09b8 \u09ac\u09cd\u09af\u09be\u0995\u0986\u09aa\u099f\u09bf\u0995\u09c7 \u098f\u0995\u099f\u09bf \u09b8\u09be\u09ae\u099e\u09cd\u099c\u09b8\u09cd\u09af\u09aa\u09c2\u09b0\u09cd\u09a3 \u0985\u09ac\u09b8\u09cd\u09a5\u09be\u09af\u09bc \u0986\u09a8\u09be \u09b8\u09ae\u09cd\u09ad\u09ac \u09a8\u09af\u09bc\u0964<\/p>\n<p><strong>\u099d\u09c1\u0981\u0995\u09bf:<\/strong> \u0995\u09cd\u09b7\u09a4\u09bf\u0997\u09cd\u09b0\u09b8\u09cd\u09a4 \u09ac\u09be \u09aa\u09c1\u09a8\u09b0\u09c1\u09a6\u09cd\u09a7\u09be\u09b0 \u0985\u09af\u09cb\u0997\u09cd\u09af \u09ac\u09c7\u09b8 \u09ac\u09cd\u09af\u09be\u0995\u0986\u09aa\u0964<\/p>\n<p><strong>\u09aa\u09cd\u09b0\u09a4\u09bf\u0995\u09be\u09b0:<\/strong> \u09ac\u09cd\u09af\u09be\u0995\u0986\u09aa \u09aa\u09c7\u09b2\u09cb\u09a1\u09c7\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7\u0987 \u09aa\u09cd\u09b0\u09af\u09bc\u09cb\u099c\u09a8\u09c0\u09af\u09bc WAL \u09ab\u09be\u0987\u09b2\u0997\u09c1\u09b2\u09cb \u0985\u09a8\u09cd\u09a4\u09b0\u09cd\u09ad\u09c1\u0995\u09cd\u09a4 \u0995\u09b0\u09a4\u09c7 <code>pg_basebackup -X stream<\/code> \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c1\u09a8, \u0985\u09a5\u09ac\u09be \u098f\u09ae\u09a8 \u098f\u09a8\u09cd\u099f\u09be\u09b0\u09aa\u09cd\u09b0\u09be\u0987\u099c \u09ac\u09cd\u09af\u09be\u0995\u0986\u09aa \u09b8\u09b2\u09bf\u0989\u09b6\u09a8 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c1\u09a8 \u09af\u09be \u09b8\u09cd\u09ac\u09af\u09bc\u0982\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09ad\u09be\u09ac\u09c7 \u09ac\u09c7\u09b8 \u09ac\u09cd\u09af\u09be\u0995\u0986\u09aa \u098f\u09ac\u0982 WAL \u09b8\u09c7\u0997\u09ae\u09c7\u09a8\u09cd\u099f\u09c7\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u09a8\u09bf\u09b0\u09cd\u09ad\u09b0\u09a4\u09be \u09aa\u09b0\u09bf\u099a\u09be\u09b2\u09a8\u09be \u0995\u09b0\u09c7\u0964<\/p>\n<h3>\u09ad\u09c1\u09b2 \u09ea: \u099f\u09be\u0987\u09ae\u09b2\u09be\u0987\u09a8 \u09ac\u09bf\u09ad\u09cd\u09b0\u09be\u09a8\u09cd\u09a4\u09bf \u098f\u09ac\u0982 \u09b8\u09cd\u09aa\u09cd\u09b2\u09bf\u099f-\u09ac\u09cd\u09b0\u09c7\u0987\u09a8 \u09aa\u09b0\u09bf\u09b8\u09cd\u09a5\u09bf\u09a4\u09bf<\/h3>\n<p>\u09af\u0996\u09a8 \u098f\u0995\u099f\u09bf \u09b8\u09cd\u099f\u09cd\u09af\u09be\u09a8\u09cd\u09a1\u09ac\u09be\u0987 \u09b8\u09be\u09b0\u09cd\u09ad\u09be\u09b0\u0995\u09c7 \u09aa\u09cd\u09b0\u09be\u0987\u09ae\u09be\u09b0\u09bf \u09b9\u09bf\u09b8\u09c7\u09ac\u09c7 \u09aa\u09cd\u09b0\u09ae\u09cb\u099f \u0995\u09b0\u09be \u09b9\u09af\u09bc, \u09a4\u0996\u09a8 PostgreSQL &#8220;\u099f\u09be\u0987\u09ae\u09b2\u09be\u0987\u09a8 \u0986\u0987\u09a1\u09bf&#8221; (WAL \u09ab\u09be\u0987\u09b2\u09c7\u09b0 \u09a8\u09be\u09ae\u09c7\u09b0 \u09aa\u09cd\u09b0\u09a5\u09ae \u0985\u0982\u09b6, \u09af\u09c7\u09ae\u09a8 <code>0000000200000001000000A4<\/code>) \u09ac\u09c3\u09a6\u09cd\u09a7\u09bf \u0995\u09b0\u09c7\u0964 \u098f\u099f\u09bf \u09a8\u09a4\u09c1\u09a8 \u09aa\u09cd\u09b0\u09be\u0987\u09ae\u09be\u09b0\u09bf\u0995\u09c7 \u09aa\u09c1\u09b0\u09a8\u09cb \u09aa\u09cd\u09b0\u09be\u0987\u09ae\u09be\u09b0\u09bf\u09b0 WAL \u0987\u09a4\u09bf\u09b9\u09be\u09b8 \u0993\u09ad\u09be\u09b0\u09b0\u09be\u0987\u099f \u0995\u09b0\u09be \u09a5\u09c7\u0995\u09c7 \u09ac\u09bf\u09b0\u09a4 \u09b0\u09be\u0996\u09c7\u0964<\/p>\n<p>\u09af\u09be\u0987\u09b9\u09cb\u0995, \u09af\u09a6\u09bf \u09aa\u09c1\u09b0\u09a8\u09cb \u09aa\u09cd\u09b0\u09be\u0987\u09ae\u09be\u09b0\u09bf\u099f\u09bf\u0995\u09c7 \u09b8\u09a0\u09bf\u0995\u09ad\u09be\u09ac\u09c7 \u09ab\u09c7\u09a8\u09cd\u09b8\u09bf\u0982 \u09a8\u09be \u0995\u09b0\u09c7\u0987 \u09a6\u09c1\u09b0\u09cd\u0998\u099f\u09a8\u09be\u0995\u09cd\u09b0\u09ae\u09c7 \u099a\u09be\u09b2\u09c1 \u0995\u09b0\u09be \u09b9\u09af\u09bc (\u098f\u0995\u099f\u09bf \u09b8\u09cd\u09aa\u09cd\u09b2\u09bf\u099f-\u09ac\u09cd\u09b0\u09c7\u0987\u09a8 \u09aa\u09b0\u09bf\u09b8\u09cd\u09a5\u09bf\u09a4\u09bf), \u09a4\u09ac\u09c7 \u098f\u099f\u09bf \u09aa\u09c1\u09b0\u09a8\u09cb \u099f\u09be\u0987\u09ae\u09b2\u09be\u0987\u09a8 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7 \u098f\u0995\u0987 \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad \u0985\u09ac\u09b8\u09cd\u09a5\u09be\u09a8\u09c7 WAL \u09ab\u09be\u0987\u09b2 \u09aa\u09be\u09a0\u09be\u09a8\u09cb\u09b0 \u099a\u09c7\u09b7\u09cd\u099f\u09be \u0995\u09b0\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u0964 \u09af\u09a6\u09bf \u0986\u09aa\u09a8\u09be\u09b0 <code>archive_command<\/code> \u0985\u09a8\u09cd\u09a7\u09ad\u09be\u09ac\u09c7 \u09ab\u09be\u0987\u09b2 \u0993\u09ad\u09be\u09b0\u09b0\u09be\u0987\u099f \u0995\u09b0\u09c7, \u09a4\u09ac\u09c7 \u0986\u09aa\u09a8\u09bf \u0986\u09aa\u09a8\u09be\u09b0 \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad \u09b0\u09bf\u09aa\u09cb\u099c\u09bf\u099f\u09b0\u09bf \u09a8\u09b7\u09cd\u099f \u0995\u09b0\u09c7 \u09ab\u09c7\u09b2\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u09a8\u0964<\/p>\n<p><strong>\u099d\u09c1\u0981\u0995\u09bf:<\/strong> \u0993\u09ad\u09be\u09b0\u09b0\u09be\u0987\u099f \u09b9\u0993\u09af\u09bc\u09be WAL \u09ab\u09be\u0987\u09b2, \u0995\u09cd\u09b7\u09a4\u09bf\u0997\u09cd\u09b0\u09b8\u09cd\u09a4 \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad \u098f\u09ac\u0982 \u09aa\u09c1\u09a8\u09b0\u09c1\u09a6\u09cd\u09a7\u09be\u09b0 \u0985\u09af\u09cb\u0997\u09cd\u09af \u09a1\u09c7\u099f\u09be\u09ac\u09c7\u09b8\u0964<\/p>\n<p><strong>\u09aa\u09cd\u09b0\u09a4\u09bf\u0995\u09be\u09b0:<\/strong> \u0986\u09aa\u09a8\u09be\u09b0 <code>archive_command<\/code> \u0995\u0996\u09a8\u09cb\u0987 \u09ac\u09bf\u09a6\u09cd\u09af\u09ae\u09be\u09a8 \u09ab\u09be\u0987\u09b2 \u0993\u09ad\u09be\u09b0\u09b0\u09be\u0987\u099f \u0995\u09b0\u09ac\u09c7 \u09a8\u09be\u0964 \u0986\u0997\u09c7\u09b0 \u09ae\u09cc\u09b2\u09bf\u0995 \u0995\u09a8\u09ab\u09bf\u0997\u09be\u09b0\u09c7\u09b6\u09a8\u09c7 \u09b2\u0995\u09cd\u09b7\u09cd\u09af \u0995\u09b0\u09c1\u09a8, \u0986\u09ae\u09b0\u09be \u09ab\u09be\u0987\u09b2\u099f\u09bf \u0987\u09a4\u09bf\u09ae\u09a7\u09cd\u09af\u09c7 \u09ac\u09bf\u09a6\u09cd\u09af\u09ae\u09be\u09a8 \u09a5\u09be\u0995\u09b2\u09c7 \u09b8\u09cd\u09aa\u09b7\u09cd\u099f\u09ad\u09be\u09ac\u09c7 \u09ac\u09cd\u09af\u09b0\u09cd\u09a5 \u09b9\u0993\u09af\u09bc\u09be\u09b0 \u099c\u09a8\u09cd\u09af <code>test ! -f \/mnt\/nfs\/archive\/%f<\/code> \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7\u099b\u09bf\u0964<\/p>\n<h2>\u09a1\u09c7\u099f\u09be \u09b2\u09b8\u09c7\u09b0 \u099d\u09c1\u0981\u0995\u09bf \u0995\u09ae\u09be\u09a8\u09cb: \u09aa\u09cd\u09b0\u09cb\u09a1\u09be\u0995\u09b6\u09a8 \u09b8\u09b0\u09cd\u09ac\u09cb\u09a4\u09cd\u09a4\u09ae \u0985\u09a8\u09c1\u09b6\u09c0\u09b2\u09a8<\/h2>\n<p>\u0986\u09aa\u09a8\u09be\u09b0 PostgreSQL \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad\u09bf\u0982 \u0995\u09cc\u09b6\u09b2\u0995\u09c7 \u09b6\u0995\u09cd\u09a4\u09bf\u09b6\u09be\u09b2\u09c0 \u0995\u09b0\u09a4\u09c7, \u09a8\u09bf\u09ae\u09cd\u09a8\u09b2\u09bf\u0996\u09bf\u09a4 \u09b8\u09b0\u09cd\u09ac\u09cb\u09a4\u09cd\u09a4\u09ae \u0985\u09a8\u09c1\u09b6\u09c0\u09b2\u09a8\u0997\u09c1\u09b2\u09cb \u09aa\u09cd\u09b0\u09af\u09bc\u09cb\u0997 \u0995\u09b0\u09c1\u09a8\u0964<\/p>\n<h3>\u09e7. \u09a8\u09c7\u099f\u09bf\u09ad\u09ad\u09be\u09ac\u09c7 \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad\u09be\u09b0 \u09aa\u09cd\u09b0\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be \u09ae\u09a8\u09bf\u099f\u09b0 \u0995\u09b0\u09c1\u09a8<\/h3>\n<p>PostgreSQL-\u098f \u098f\u0995\u099f\u09bf \u09ac\u09bf\u09b2\u09cd\u099f-\u0987\u09a8 \u09ad\u09bf\u0989 \u0986\u099b\u09c7, <code>pg_stat_archiver<\/code>, \u09af\u09be \u0986\u09aa\u09a8\u09be\u09b0 \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad\u09bf\u0982 \u09aa\u09cd\u09b0\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u09b0 \u09b8\u09be\u09ab\u09b2\u09cd\u09af \u098f\u09ac\u0982 \u09ac\u09cd\u09af\u09b0\u09cd\u09a5\u09a4\u09be \u099f\u09cd\u09b0\u09cd\u09af\u09be\u0995 \u0995\u09b0\u09c7\u0964 \u0986\u09aa\u09a8\u09be\u09b0 \u0985\u09ac\u099c\u09be\u09b0\u09ad\u09c7\u09ac\u09bf\u09b2\u09bf\u099f\u09bf \u09b8\u09cd\u099f\u09cd\u09af\u09be\u0995\u09c7 (\u09af\u09c7\u09ae\u09a8 Prometheus, Datadog, \u09ac\u09be Zabbix) \u098f\u0987 \u09ad\u09bf\u0989\u099f\u09bf\u0995\u09c7 \u0987\u09a8\u09cd\u099f\u09bf\u0997\u09cd\u09b0\u09c7\u099f \u0995\u09b0\u09be \u0989\u099a\u09bf\u09a4\u0964<\/p>\n<pre><code class=\"language-sql\">SELECT \n    archived_count,\n    last_archived_wal,\n    last_archived_time,\n    failed_count,\n    last_failed_wal,\n    last_failed_time,\n    stats_reset\nFROM pg_stat_archiver;\n<\/code><\/pre>\n<p><strong>\u0995\u09a8\u09ab\u09bf\u0997\u09be\u09b0 \u0995\u09b0\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u0985\u09cd\u09af\u09be\u09b2\u09be\u09b0\u09cd\u099f\u09bf\u0982 \u09a5\u09cd\u09b0\u09c7\u09b6\u09b9\u09cb\u09b2\u09cd\u09a1:<\/strong><br \/>\n* \u09af\u09a6\u09bf <code>failed_count<\/code> \u09ac\u09c3\u09a6\u09cd\u09a7\u09bf \u09aa\u09be\u09af\u09bc \u09a4\u09ac\u09c7 \u0985\u09cd\u09af\u09be\u09b2\u09be\u09b0\u09cd\u099f \u09a6\u09bf\u09a8\u0964<br \/>\n* \u09af\u09a6\u09bf <code>now()<\/code> \u098f\u09ac\u0982 <code>last_archived_time<\/code>-\u098f\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u09b8\u09ae\u09af\u09bc\u09c7\u09b0 \u09aa\u09be\u09b0\u09cd\u09a5\u0995\u09cd\u09af \u0986\u09aa\u09a8\u09be\u09b0 RPO \u09a5\u09cd\u09b0\u09c7\u09b6\u09b9\u09cb\u09b2\u09cd\u09a1 (\u09af\u09c7\u09ae\u09a8 \u09e7\u09eb \u09ae\u09bf\u09a8\u09bf\u099f) \u0985\u09a4\u09bf\u0995\u09cd\u09b0\u09ae \u0995\u09b0\u09c7 \u09a4\u09ac\u09c7 \u0985\u09cd\u09af\u09be\u09b2\u09be\u09b0\u09cd\u099f \u09a6\u09bf\u09a8, \u09ae\u09a8\u09c7 \u09b0\u09be\u0996\u09ac\u09c7\u09a8 \u09af\u09c7 \u0995\u09ae \u099f\u09cd\u09b0\u09cd\u09af\u09be\u09ab\u09bf\u0995\u09c7\u09b0 \u09a1\u09c7\u099f\u09be\u09ac\u09c7\u09b8\u0997\u09c1\u09b2\u09cb\u09a4\u09c7 <code>archive_timeout<\/code> \u09b8\u09c7\u099f \u09a8\u09be \u09a5\u09be\u0995\u09b2\u09c7 \u09b8\u09cd\u09ac\u09be\u09ad\u09be\u09ac\u09bf\u0995\u09ad\u09be\u09ac\u09c7\u0987 \u09ac\u09bf\u09b2\u09ae\u09cd\u09ac \u09b9\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u0964<\/p>\n<h3>\u09e8. <code>archive_timeout<\/code> \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c1\u09a8<\/h3>\n<p>\u0995\u09ae \u09b0\u09be\u0987\u099f \u09ad\u09b2\u09bf\u0989\u09ae\u09af\u09c1\u0995\u09cd\u09a4 \u09a1\u09c7\u099f\u09be\u09ac\u09c7\u09b8\u0997\u09c1\u09b2\u09cb\u09a4\u09c7, \u098f\u0995\u099f\u09bf 16MB WAL \u09ab\u09be\u0987\u09b2 \u09aa\u09c2\u09b0\u09cd\u09a3 \u09b9\u09a4\u09c7 \u0995\u09af\u09bc\u09c7\u0995 \u0998\u09a3\u09cd\u099f\u09be \u09b8\u09ae\u09af\u09bc \u09b2\u09be\u0997\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u0964 \u09af\u09a4\u0995\u09cd\u09b7\u09a3 \u09a8\u09be \u098f\u099f\u09bf \u09aa\u09c2\u09b0\u09cd\u09a3 \u09b9\u09af\u09bc, \u09a4\u09a4\u0995\u09cd\u09b7\u09a3 \u098f\u099f\u09bf \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad \u09b9\u09af\u09bc \u09a8\u09be\u0964 \u09af\u09a6\u09bf \u09b8\u09be\u09b0\u09cd\u09ad\u09be\u09b0 \u0995\u09cd\u09b0\u09cd\u09af\u09be\u09b6 \u0995\u09b0\u09c7 \u098f\u09ac\u0982 \u09b8\u09cd\u09a5\u09be\u09a8\u09c0\u09af\u09bc \u09a1\u09bf\u09b8\u09cd\u0995 \u09b9\u09be\u09b0\u09bf\u09af\u09bc\u09c7 \u09af\u09be\u09af\u09bc, \u09a4\u09ac\u09c7 \u0986\u09aa\u09a8\u09bf \u0995\u09af\u09bc\u09c7\u0995 \u0998\u09a3\u09cd\u099f\u09be\u09b0 \u099f\u09cd\u09b0\u09be\u09a8\u099c\u09cd\u09af\u09be\u0995\u09b6\u09a8 \u09b9\u09be\u09b0\u09be\u09ac\u09c7\u09a8\u0964<\/p>\n<p><code>archive_timeout = 600<\/code> (10 \u09ae\u09bf\u09a8\u09bf\u099f) \u09b8\u09c7\u099f \u0995\u09b0\u09be PostgreSQL-\u0995\u09c7 \u098f\u0995\u099f\u09bf \u09a8\u09a4\u09c1\u09a8 WAL \u09ab\u09be\u0987\u09b2\u09c7 \u09b8\u09c1\u0987\u099a \u0995\u09b0\u09a4\u09c7 \u098f\u09ac\u0982 \u09ac\u09b0\u09cd\u09a4\u09ae\u09be\u09a8 \u09ab\u09be\u0987\u09b2\u099f\u09bf \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad \u0995\u09b0\u09a4\u09c7 \u09ac\u09be\u09a7\u09cd\u09af \u0995\u09b0\u09c7, \u098f\u09ae\u09a8\u0995\u09bf \u09af\u09a6\u09bf \u098f\u099f\u09bf \u09aa\u09c2\u09b0\u09cd\u09a3 \u09a8\u09be\u0993 \u09b9\u09af\u09bc\u0964 \u098f\u099f\u09bf \u09a8\u09bf\u09b6\u09cd\u099a\u09bf\u09a4 \u0995\u09b0\u09c7 \u09af\u09c7 \u0986\u09aa\u09a8\u09be\u09b0 RPO 10 \u09ae\u09bf\u09a8\u09bf\u099f\u09c7\u09b0 \u09ac\u09c7\u09b6\u09bf \u09b9\u09ac\u09c7 \u09a8\u09be, \u09af\u09a6\u09bf\u0993 \u0986\u0982\u09b6\u09bf\u0995 \u09aa\u09c2\u09b0\u09cd\u09a3 WAL \u09ab\u09be\u0987\u09b2\u09c7\u09b0 \u0995\u09be\u09b0\u09a3\u09c7 \u09b8\u09cd\u099f\u09cb\u09b0\u09c7\u099c \u0995\u09bf\u099b\u09c1\u099f\u09be \u09ac\u09c7\u09b6\u09bf \u09ac\u09cd\u09af\u09ac\u09b9\u09c3\u09a4 \u09b9\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u0964<\/p>\n<h3>\u09e9. <code>archive_library<\/code>-\u09a4\u09c7 \u09b0\u09c2\u09aa\u09be\u09a8\u09cd\u09a4\u09b0 (PostgreSQL 15+)<\/h3>\n<p>\u0990\u09a4\u09bf\u09b9\u09be\u09b8\u09bf\u0995\u09ad\u09be\u09ac\u09c7, <code>archive_command<\/code> \u09aa\u09cd\u09b0\u09a4\u09bf\u099f\u09bf WAL \u09ab\u09be\u0987\u09b2\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u098f\u0995\u099f\u09bf \u09a8\u09a4\u09c1\u09a8 \u09b6\u09c7\u09b2 \u09aa\u09cd\u09b0\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09a4\u0964 \u0989\u099a\u09cd\u099a-\u09a5\u09cd\u09b0\u09c1\u09aa\u09c1\u099f \u09aa\u09b0\u09bf\u09ac\u09c7\u09b6\u09c7 \u09af\u09c7\u0996\u09be\u09a8\u09c7 \u09aa\u09cd\u09b0\u09a4\u09bf \u09ae\u09bf\u09a8\u09bf\u099f\u09c7 \u09b6\u09a4 \u09b6\u09a4 WAL \u09ab\u09be\u0987\u09b2 \u09a4\u09c8\u09b0\u09bf \u09b9\u09af\u09bc, \u09b6\u09c7\u09b2 \u09aa\u09cd\u09b0\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be \u09a4\u09c8\u09b0\u09bf\u09b0 \u0993\u09ad\u09be\u09b0\u09b9\u09c7\u09a1 \u098f\u0995\u099f\u09bf \u09aa\u09be\u09b0\u09ab\u09b0\u09ae\u09cd\u09af\u09be\u09a8\u09cd\u09b8 \u09ac\u09be\u09a7\u09be \u09b9\u09af\u09bc\u09c7 \u09a6\u09be\u0981\u09a1\u09bc\u09be\u09af\u09bc\u0964<\/p>\n<p>PostgreSQL 15-\u098f <code>archive_library<\/code> \u09aa\u09cd\u09af\u09be\u09b0\u09be\u09ae\u09bf\u099f\u09be\u09b0 \u09af\u09c1\u0995\u09cd\u09a4 \u0995\u09b0\u09be \u09b9\u09af\u09bc\u09c7\u099b\u09c7, \u09af\u09be WAL \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad\u09bf\u0982\u0995\u09c7 \u09a1\u09be\u09af\u09bc\u09a8\u09be\u09ae\u09bf\u0995\u09cd\u09af\u09be\u09b2\u09bf \u09b2\u09cb\u09a1 \u0995\u09b0\u09be C \u09ae\u09a1\u09bf\u0989\u09b2 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09aa\u09b0\u09bf\u099a\u09be\u09b2\u09a8\u09be \u0995\u09b0\u09be\u09b0 \u0985\u09a8\u09c1\u09ae\u09a4\u09bf \u09a6\u09c7\u09af\u09bc\u0964 \u098f\u099f\u09bf \u09b6\u09c7\u09b2-\u09ab\u09b0\u09cd\u0995\u09bf\u0982 \u0993\u09ad\u09be\u09b0\u09b9\u09c7\u09a1 \u09a6\u09c2\u09b0 \u0995\u09b0\u09c7 \u098f\u09ac\u0982 \u0985\u09a8\u09c7\u0995 \u09ac\u09c7\u09b6\u09bf \u09b6\u0995\u09cd\u09a4\u09bf\u09b6\u09be\u09b2\u09c0, \u0989\u099a\u09cd\u099a-\u09aa\u09be\u09b0\u09ab\u09b0\u09ae\u09cd\u09af\u09be\u09a8\u09cd\u09b8 \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad\u09bf\u0982 \u09aa\u09cd\u09b0\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be \u09aa\u09cd\u09b0\u09a6\u09be\u09a8 \u0995\u09b0\u09c7\u0964 \u0986\u09aa\u09a8\u09bf \u09af\u09a6\u09bf PostgreSQL 15 \u09ac\u09be \u09a4\u09be\u09b0 \u0989\u099a\u09cd\u099a\u09a4\u09b0 \u09b8\u0982\u09b8\u09cd\u0995\u09b0\u09a3\u09c7 \u09a5\u09be\u0995\u09c7\u09a8, \u09a4\u09ac\u09c7 \u0995\u09be\u09b8\u09cd\u099f\u09ae \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad \u09ae\u09a1\u09bf\u0989\u09b2 \u09b8\u09ae\u09b0\u09cd\u09a5\u09a8 \u0995\u09b0\u09c7 \u098f\u09ae\u09a8 \u09ac\u09cd\u09af\u09be\u0995\u0986\u09aa \u099f\u09c1\u09b2\u0997\u09c1\u09b2\u09cb \u0996\u09c1\u0981\u099c\u09c1\u09a8\u0964<\/p>\n<h3>\u09ea. \u09a8\u09bf\u09af\u09bc\u09ae\u09bf\u09a4 \u09aa\u09af\u09bc\u09c7\u09a8\u09cd\u099f-\u0987\u09a8-\u099f\u09be\u0987\u09ae \u09b0\u09bf\u0995\u09ad\u09be\u09b0\u09bf \u09aa\u09b0\u09c0\u0995\u09cd\u09b7\u09be \u0995\u09b0\u09c1\u09a8<\/h3>\n<p>\u098f\u0995\u099f\u09bf \u09aa\u09b0\u09c0\u0995\u09cd\u09b7\u09bf\u09a4 \u09ac\u09cd\u09af\u09be\u0995\u0986\u09aa \u09ae\u09be\u09a8\u09c7 \u09ac\u09cd\u09af\u09be\u0995\u0986\u09aa \u09a8\u09af\u09bc; \u098f\u099f\u09bf \u098f\u0995\u099f\u09bf \u0987\u099a\u09cd\u099b\u09be \u09ae\u09be\u09a4\u09cd\u09b0\u0964 \u0986\u09aa\u09a8\u09be\u09b0 WAL \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad\u09bf\u0982 \u09b8\u09a0\u09bf\u0995\u09ad\u09be\u09ac\u09c7 \u0995\u09be\u099c \u0995\u09b0\u099b\u09c7 \u0995\u09bf\u09a8\u09be, \u0986\u09aa\u09a8\u09be\u09b0 WAL \u099a\u09c7\u0987\u09a8 \u0985\u09ac\u09bf\u099a\u09cd\u099b\u09bf\u09a8\u09cd\u09a8 \u0995\u09bf\u09a8\u09be \u098f\u09ac\u0982 \u0986\u09aa\u09a8\u09be\u09b0 \u09ac\u09c7\u09b8 \u09ac\u09cd\u09af\u09be\u0995\u0986\u09aa\u0997\u09c1\u09b2\u09cb \u09b8\u09be\u09ae\u099e\u09cd\u099c\u09b8\u09cd\u09af\u09aa\u09c2\u09b0\u09cd\u09a3 \u0995\u09bf\u09a8\u09be \u09a4\u09be \u09af\u09be\u099a\u09be\u0987 \u0995\u09b0\u09be\u09b0 \u098f\u0995\u09ae\u09be\u09a4\u09cd\u09b0 \u0989\u09aa\u09be\u09af\u09bc \u09b9\u09b2\u09cb \u09a8\u09bf\u09af\u09bc\u09ae\u09bf\u09a4, \u09b8\u09cd\u09ac\u09af\u09bc\u0982\u0995\u09cd\u09b0\u09bf\u09af\u09bc PITR \u09aa\u09b0\u09c0\u0995\u09cd\u09b7\u09be \u0995\u09b0\u09be\u0964<\/p>\n<p>\u098f\u0995\u099f\u09bf \u0985\u09b8\u09cd\u09a5\u09be\u09af\u09bc\u09c0 \u0987\u09a8\u09b8\u09cd\u099f\u09cd\u09af\u09be\u09a8\u09cd\u09b8 \u099a\u09be\u09b2\u09c1 \u0995\u09b0\u09c1\u09a8, \u09ac\u09c7\u09b8 \u09ac\u09cd\u09af\u09be\u0995\u0986\u09aa \u09aa\u09c1\u09a8\u09b0\u09c1\u09a6\u09cd\u09a7\u09be\u09b0 \u0995\u09b0\u09c1\u09a8, \u0986\u09aa\u09a8\u09be\u09b0 \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad \u09a5\u09c7\u0995\u09c7 \u09aa\u09c1\u09b2 \u0995\u09b0\u09be\u09b0 \u099c\u09a8\u09cd\u09af <code>restore_command<\/code> \u0995\u09a8\u09ab\u09bf\u0997\u09be\u09b0 \u0995\u09b0\u09c1\u09a8 \u098f\u09ac\u0982 \u098f\u0995\u099f\u09bf \u09a8\u09bf\u09b0\u09cd\u09a6\u09bf\u09b7\u09cd\u099f \u099f\u09be\u0987\u09ae\u09b8\u09cd\u099f\u09cd\u09af\u09be\u09ae\u09cd\u09aa\u09c7 \u09b0\u09bf\u0995\u09ad\u09be\u09b0 \u0995\u09b0\u09c1\u09a8\u0964 \u09af\u09be\u099a\u09be\u0987 \u0995\u09b0\u09c1\u09a8 \u09af\u09c7 \u09a1\u09c7\u099f\u09be\u09ac\u09c7\u09b8\u099f\u09bf \u098f\u0995\u099f\u09bf \u09b8\u09be\u09ae\u099e\u09cd\u099c\u09b8\u09cd\u09af\u09aa\u09c2\u09b0\u09cd\u09a3 \u0985\u09ac\u09b8\u09cd\u09a5\u09be\u09af\u09bc \u09aa\u09cc\u0981\u099b\u09be\u09af\u09bc \u098f\u09ac\u0982 \u09b8\u0982\u09af\u09cb\u0997\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u0989\u09a8\u09cd\u09ae\u09c1\u0995\u09cd\u09a4 \u09b9\u09af\u09bc\u0964<\/p>\n<h2>CloudSave-\u098f\u09b0 \u09b8\u09be\u09a5\u09c7 \u098f\u09a8\u09cd\u099f\u09be\u09b0\u09aa\u09cd\u09b0\u09be\u0987\u099c \u09ac\u09cd\u09af\u09be\u0995\u0986\u09aa \u098f\u09ac\u0982 \u09b0\u09bf\u0995\u09ad\u09be\u09b0\u09bf<\/h2>\n<p><code>archive_command<\/code>-\u098f\u09b0 \u099c\u09a8\u09cd\u09af \u0995\u09be\u09b8\u09cd\u099f\u09ae \u09b6\u09c7\u09b2 \u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09aa\u09b0\u09bf\u099a\u09be\u09b2\u09a8\u09be \u0995\u09b0\u09be, WAL \u09a1\u09bf\u09a1\u09c1\u09aa\u09cd\u09b2\u09bf\u0995\u09c7\u09b6\u09a8 \u09b9\u09cd\u09af\u09be\u09a8\u09cd\u09a1\u09c7\u09b2 \u0995\u09b0\u09be \u098f\u09ac\u0982 \u099f\u09cd\u09b0\u09be\u09a8\u099c\u09cd\u09af\u09be\u0995\u09b6\u09a8 \u09b2\u0997\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u09a8\u09bf\u09b0\u09be\u09aa\u09a6, \u0985\u09ab\u09b8\u09be\u0987\u099f \u09b8\u09cd\u099f\u09cb\u09b0\u09c7\u099c \u09a8\u09bf\u09b6\u09cd\u099a\u09bf\u09a4 \u0995\u09b0\u09be \u0986\u0987\u099f\u09bf \u099f\u09bf\u09ae\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u09a6\u09cd\u09b0\u09c1\u09a4 \u098f\u0995\u099f\u09bf \u0985\u09aa\u09be\u09b0\u09c7\u09b6\u09a8\u09be\u09b2 \u09ac\u09cb\u099d\u09be \u09b9\u09af\u09bc\u09c7 \u0989\u09a0\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u0964<\/p>\n<p>\u098f\u0996\u09be\u09a8\u09c7\u0987 CloudSave \u098f\u09a8\u09cd\u099f\u09be\u09b0\u09aa\u09cd\u09b0\u09be\u0987\u099c PostgreSQL \u09aa\u09b0\u09bf\u09ac\u09c7\u09b6\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u0989\u09b2\u09cd\u09b2\u09c7\u0996\u09af\u09cb\u0997\u09cd\u09af \u09ae\u09c2\u09b2\u09cd\u09af \u09aa\u09cd\u09b0\u09a6\u09be\u09a8 \u0995\u09b0\u09c7\u0964 CloudSave \u09b8\u09b0\u09be\u09b8\u09b0\u09bf PostgreSQL-\u098f\u09b0 \u09a8\u09c7\u099f\u09bf\u09ad \u09ac\u09cd\u09af\u09be\u0995\u0986\u09aa \u098f\u09ac\u0982 WAL \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad\u09bf\u0982 API-\u098f\u09b0 \u09b8\u09be\u09a5\u09c7 \u0987\u09a8\u09cd\u099f\u09bf\u0997\u09cd\u09b0\u09c7\u099f \u09b9\u09af\u09bc, \u09af\u09be \u0989\u09aa\u09b0\u09c7 \u0986\u09b2\u09cb\u099a\u09bf\u09a4 \u09ae\u09cd\u09af\u09be\u09a8\u09c1\u09af\u09bc\u09be\u09b2 \u09ad\u09c1\u09b2\u0997\u09c1\u09b2\u09cb \u09a6\u09c2\u09b0 \u0995\u09b0\u09c7\u0964<\/p>\n<p>\u09ad\u0999\u09cd\u0997\u09c1\u09b0 \u09ac\u09cd\u09af\u09be\u09b6 \u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09b2\u09c7\u0996\u09be\u09b0 \u09aa\u09b0\u09bf\u09ac\u09b0\u09cd\u09a4\u09c7, CloudSave \u098f\u0995\u099f\u09bf \u09b6\u0995\u09cd\u09a4\u09bf\u09b6\u09be\u09b2\u09c0, \u098f\u099c\u09c7\u09a8\u09cd\u099f-\u09ad\u09bf\u09a4\u09cd\u09a4\u09bf\u0995 \u09ac\u09be \u098f\u099c\u09c7\u09a8\u09cd\u099f\u09b2\u09c7\u09b8 \u0987\u09a8\u09cd\u099f\u09bf\u0997\u09cd\u09b0\u09c7\u09b6\u09a8 \u09aa\u09cd\u09b0\u09a6\u09be\u09a8 \u0995\u09b0\u09c7 \u09af\u09be:<br \/>\n* <strong>\u09a1\u09c7\u09b2\u09bf\u09ad\u09be\u09b0\u09bf \u09a8\u09bf\u09b6\u09cd\u099a\u09bf\u09a4 \u0995\u09b0\u09c7:<\/strong> \u09b8\u09cd\u099f\u09cd\u09af\u09be\u09a8\u09cd\u09a1\u09be\u09b0\u09cd\u09a1 \u09b6\u09c7\u09b2 \u0995\u09ae\u09be\u09a8\u09cd\u09a1\u0997\u09c1\u09b2\u09cb\u0995\u09c7 \u09a8\u09bf\u09b0\u09be\u09aa\u09a6 \u0985\u09ab\u09b8\u09be\u0987\u099f \u09ac\u09be \u0995\u09cd\u09b2\u09be\u0989\u09a1 \u09b8\u09cd\u099f\u09cb\u09b0\u09c7\u099c\u09c7 \u09af\u09be\u099a\u09be\u0987\u0995\u09c3\u09a4, \u099a\u09c7\u0995\u09b8\u09be\u09ae-\u09ad\u09cd\u09af\u09be\u09b2\u09bf\u09a1\u09c7\u099f\u09c7\u09a1 \u099f\u09cd\u09b0\u09be\u09a8\u09cd\u09b8\u09ab\u09be\u09b0 \u09a6\u09bf\u09af\u09bc\u09c7 \u09aa\u09cd\u09b0\u09a4\u09bf\u09b8\u09cd\u09a5\u09be\u09aa\u09a8 \u0995\u09b0\u09c7\u0964<br \/>\n* <strong>WAL Bloat \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7 \u0995\u09b0\u09c7:<\/strong> \u09b8\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09ad\u09be\u09ac\u09c7 <code>pg_wal<\/code> \u09a1\u09bf\u09b0\u09c7\u0995\u09cd\u099f\u09b0\u09bf \u09ae\u09a8\u09bf\u099f\u09b0 \u0995\u09b0\u09c7 \u098f\u09ac\u0982 \u09aa\u09be\u09b0\u09cd\u099f\u09bf\u09b6\u09a8 \u09aa\u09c2\u09b0\u09cd\u09a3 \u09b9\u0993\u09af\u09bc\u09be\u09b0 \u0985\u09a8\u09c7\u0995 \u0986\u0997\u09c7\u0987 \u0985\u09cd\u09af\u09be\u09a1\u09ae\u09bf\u09a8\u09bf\u09b8\u09cd\u099f\u09cd\u09b0\u09c7\u099f\u09b0\u09a6\u09c7\u09b0 \u09b8\u09a4\u09b0\u09cd\u0995 \u0995\u09b0\u09c7\u0964<br \/>\n* <strong>PITR \u09b8\u09cd\u09ac\u09af\u09bc\u0982\u0995\u09cd\u09b0\u09bf\u09af\u09bc \u0995\u09b0\u09c7:<\/strong> \u098f\u0995\u099f\u09bf \u09b8\u09cd\u09ac\u099c\u09cd\u099e\u09be\u09a4 \u0987\u09a8\u09cd\u099f\u09be\u09b0\u09ab\u09c7\u09b8\u09c7\u09b0 \u09ae\u09be\u09a7\u09cd\u09af\u09ae\u09c7 \u09aa\u09af\u09bc\u09c7\u09a8\u09cd\u099f-\u0987\u09a8-\u099f\u09be\u0987\u09ae \u09b0\u09bf\u0995\u09ad\u09be\u09b0\u09bf\u0995\u09c7 \u09b8\u09b9\u099c \u0995\u09b0\u09c7\u0964 \u0986\u09aa\u09a8\u09bf \u09af\u09c7 \u09ae\u09bf\u09a8\u09bf\u099f\u09c7 \u09b0\u09bf\u0995\u09ad\u09be\u09b0 \u0995\u09b0\u09a4\u09c7 \u099a\u09be\u09a8 \u09a4\u09be \u09a8\u09bf\u09b0\u09cd\u09ac\u09be\u099a\u09a8 \u0995\u09b0\u09c1\u09a8, \u098f\u09ac\u0982 CloudSave \u09b8\u09cd\u09ac\u09af\u09bc\u0982\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09ad\u09be\u09ac\u09c7 \u09b8\u09a0\u09bf\u0995 \u09ac\u09c7\u09b8 \u09ac\u09cd\u09af\u09be\u0995\u0986\u09aa \u09aa\u09c1\u09a8\u09b0\u09c1\u09a6\u09cd\u09a7\u09be\u09b0 \u0995\u09b0\u09c7 \u098f\u09ac\u0982 \u09b8\u09c7\u0987 \u0985\u09ac\u09b8\u09cd\u09a5\u09be\u09af\u09bc \u09aa\u09cc\u0981\u099b\u09be\u09a8\u09cb\u09b0 \u099c\u09a8\u09cd\u09af \u09aa\u09cd\u09b0\u09af\u09bc\u09cb\u099c\u09a8\u09c0\u09af\u09bc WAL \u09ab\u09be\u0987\u09b2\u0997\u09c1\u09b2\u09cb\u09b0 \u09b8\u09a0\u09bf\u0995 \u09b8\u09bf\u0995\u09cb\u09af\u09bc\u09c7\u09a8\u09cd\u09b8 \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u09ae \u0995\u09b0\u09c7\u0964<br \/>\n* <strong>\u099f\u09be\u0987\u09ae\u09b2\u09be\u0987\u09a8 \u09aa\u09b0\u09bf\u099a\u09be\u09b2\u09a8\u09be \u0995\u09b0\u09c7:<\/strong> \u09ac\u09c1\u09a6\u09cd\u09a7\u09bf\u09ae\u09a4\u09cd\u09a4\u09be\u09b0 \u09b8\u09be\u09a5\u09c7 PostgreSQL \u099f\u09be\u0987\u09ae\u09b2\u09be\u0987\u09a8 \u0987\u09a4\u09bf\u09b9\u09be\u09b8 \u09aa\u09b0\u09bf\u099a\u09be\u09b2\u09a8\u09be \u0995\u09b0\u09c7, \u09a8\u09bf\u09b6\u09cd\u099a\u09bf\u09a4 \u0995\u09b0\u09c7 \u09af\u09c7 \u09ab\u09c7\u0987\u09b2\u0993\u09ad\u09be\u09b0 \u098f\u09ac\u0982 \u09b8\u09cd\u09aa\u09cd\u09b2\u09bf\u099f-\u09ac\u09cd\u09b0\u09c7\u0987\u09a8 \u09aa\u09b0\u09bf\u09b8\u09cd\u09a5\u09bf\u09a4\u09bf \u0986\u09aa\u09a8\u09be\u09b0 \u09ac\u09cd\u09af\u09be\u0995\u0986\u09aa \u09b0\u09bf\u09aa\u09cb\u099c\u09bf\u099f\u09b0\u09bf\u0995\u09c7 \u09a8\u09b7\u09cd\u099f \u09a8\u09be \u0995\u09b0\u09c7\u0964<\/p>\n<p>WAL \u09ac\u09cd\u09af\u09ac\u09b8\u09cd\u09a5\u09be\u09aa\u09a8\u09be\u09b0 \u09ad\u09be\u09b0\u09c0 \u0995\u09be\u099c CloudSave-\u098f\u09b0 \u0993\u09aa\u09b0 \u099b\u09c7\u09a1\u09bc\u09c7 \u09a6\u09bf\u09af\u09bc\u09c7, DBA-\u09b0\u09be \u0995\u09c1\u09af\u09bc\u09c7\u09b0\u09bf \u0985\u09aa\u09cd\u099f\u09bf\u09ae\u09be\u0987\u099c\u09c7\u09b6\u09a8 \u098f\u09ac\u0982 \u09a1\u09c7\u099f\u09be\u09ac\u09c7\u09b8 \u09aa\u09be\u09b0\u09ab\u09b0\u09ae\u09cd\u09af\u09be\u09a8\u09cd\u09b8\u09c7\u09b0 \u09a6\u09bf\u0995\u09c7 \u09ae\u09a8\u09cb\u09af\u09cb\u0997 \u09a6\u09bf\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u09a8, \u098f\u0987 \u099c\u09c7\u09a8\u09c7 \u09af\u09c7 \u09a4\u09be\u09a6\u09c7\u09b0 RPO \u098f\u09ac\u0982 RTO SLA \u098f\u0995\u099f\u09bf \u098f\u09a8\u09cd\u099f\u09be\u09b0\u09aa\u09cd\u09b0\u09be\u0987\u099c-\u0997\u09cd\u09b0\u09c7\u09a1 \u09aa\u09cd\u09b2\u09cd\u09af\u09be\u099f\u09ab\u09b0\u09cd\u09ae \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09b8\u09c1\u09b0\u0995\u09cd\u09b7\u09bf\u09a4\u0964<\/p>\n<h2>\u0989\u09aa\u09b8\u0982\u09b9\u09be\u09b0<\/h2>\n<p>PostgreSQL WAL \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad\u09bf\u0982 \u09b9\u09b2\u09cb \u09a1\u09c7\u099f\u09be\u09ac\u09c7\u09b8 \u09a1\u09bf\u099c\u09be\u09b8\u09cd\u099f\u09be\u09b0 \u09b0\u09bf\u0995\u09ad\u09be\u09b0\u09bf\u09b0 \u09ae\u09c7\u09b0\u09c1\u09a6\u09a3\u09cd\u09a1\u0964 \u09af\u09a6\u09bf\u0993 \u098f\u0995\u099f\u09bf \u09a1\u09bf\u09b0\u09c7\u0995\u09cd\u099f\u09b0\u09bf \u09a5\u09c7\u0995\u09c7 \u0985\u09a8\u09cd\u09af \u09a1\u09bf\u09b0\u09c7\u0995\u09cd\u099f\u09b0\u09bf\u09a4\u09c7 \u09ab\u09be\u0987\u09b2 \u0995\u09aa\u09bf \u0995\u09b0\u09be\u09b0 \u09a7\u09be\u09b0\u09a3\u09be\u099f\u09bf \u09b8\u09b9\u099c \u09ae\u09a8\u09c7 \u09b9\u09af\u09bc, \u09a4\u09ac\u09c7 \u098f\u099c \u0995\u09c7\u09b8\u0997\u09c1\u09b2\u09cb\u2014\u09a8\u09c0\u09b0\u09ac \u09ac\u09cd\u09af\u09b0\u09cd\u09a5\u09a4\u09be, \u09a1\u09bf\u09b8\u09cd\u0995 \u09a8\u09bf\u0983\u09b6\u09c7\u09b7 \u09b9\u0993\u09af\u09bc\u09be \u098f\u09ac\u0982 \u099f\u09be\u0987\u09ae\u09b2\u09be\u0987\u09a8 \u09a1\u09be\u0987\u09ad\u09be\u09b0\u099c\u09c7\u09a8\u09cd\u09b8\u2014\u09a1\u09c7\u099f\u09be \u0985\u0996\u09a3\u09cd\u09a1\u09a4\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u0997\u09c1\u09b0\u09c1\u09a4\u09b0 \u099d\u09c1\u0981\u0995\u09bf \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09c7\u0964<\/p>\n<p><code>pg_wal<\/code>-\u098f\u09b0 \u0986\u09b0\u09cd\u0995\u09bf\u099f\u09c7\u0995\u099a\u09be\u09b0 \u09ac\u09c1\u099d\u09c7, \u09a7\u09cd\u09ac\u0982\u09b8\u09be\u09a4\u09cd\u09ae\u0995 <code>archive_command<\/code> \u0995\u09a8\u09ab\u09bf\u0997\u09be\u09b0\u09c7\u09b6\u09a8 \u0995\u09a0\u09cb\u09b0\u09ad\u09be\u09ac\u09c7 \u098f\u09a1\u09bc\u09bf\u09af\u09bc\u09c7, <code>pg_stat_archiver<\/code> \u09ae\u09a8\u09bf\u099f\u09b0 \u0995\u09b0\u09c7 \u098f\u09ac\u0982 CloudSave-\u098f\u09b0 \u09ae\u09a4\u09cb \u098f\u09a8\u09cd\u099f\u09be\u09b0\u09aa\u09cd\u09b0\u09be\u0987\u099c \u09ac\u09cd\u09af\u09be\u0995\u0986\u09aa \u09aa\u09cd\u09b2\u09cd\u09af\u09be\u099f\u09ab\u09b0\u09cd\u09ae \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7, \u0986\u09aa\u09a8\u09bf \u098f\u0995\u099f\u09bf \u09b8\u09cd\u09a5\u09bf\u09a4\u09bf\u09b8\u09cd\u09a5\u09be\u09aa\u0995 PostgreSQL \u0985\u09ac\u0995\u09be\u09a0\u09be\u09ae\u09cb \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u09a8 \u09af\u09be \u09b9\u09be\u09b0\u09cd\u09a1\u0993\u09af\u09bc\u09cd\u09af\u09be\u09b0 \u09ac\u09cd\u09af\u09b0\u09cd\u09a5\u09a4\u09be, \u09ae\u09be\u09a8\u09ac\u09bf\u0995 \u09a4\u09cd\u09b0\u09c1\u099f\u09bf \u098f\u09ac\u0982 \u09ac\u09bf\u09aa\u09b0\u09cd\u09af\u09af\u09bc\u0995\u09b0 \u09ac\u09bf\u09ad\u09cd\u09b0\u09be\u099f\u09c7\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7\u0993 \u098f\u0995\u099f\u09bf \u09b8\u09bf\u0999\u09cd\u0997\u09c7\u09b2 \u0995\u09ae\u09bf\u099f\u09c7\u09a1 \u099f\u09cd\u09b0\u09be\u09a8\u099c\u09cd\u09af\u09be\u0995\u09b6\u09a8 \u09a8\u09be \u09b9\u09be\u09b0\u09bf\u09af\u09bc\u09c7 \u099f\u09bf\u0995\u09c7 \u09a5\u09be\u0995\u09a4\u09c7 \u09b8\u0995\u09cd\u09b7\u09ae\u0964<\/p>\n<blockquote>\n<p>PostgreSQL WAL \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad\u09bf\u0982\u09af\u09bc\u09c7\u09b0 \u09b8\u09be\u09a7\u09be\u09b0\u09a3 \u09ad\u09c1\u09b2\u0997\u09c1\u09b2\u09cb \u0986\u09ac\u09bf\u09b7\u09cd\u0995\u09be\u09b0 \u0995\u09b0\u09c1\u09a8 \u09af\u09be \u09a1\u09c7\u099f\u09be \u09b2\u09b8\u09c7\u09b0 \u09a6\u09bf\u0995\u09c7 \u09a8\u09bf\u09af\u09bc\u09c7 \u09af\u09be\u09af\u09bc\u0964 \u09ac\u09bf\u09b6\u09c7\u09b7\u099c\u09cd\u099e DBA \u09b8\u09b0\u09cd\u09ac\u09cb\u09a4\u09cd\u09a4\u09ae \u0985\u09a8\u09c1\u09b6\u09c0\u09b2\u09a8, \u0995\u09a8\u09ab\u09bf\u0997\u09be\u09b0\u09c7\u09b6\u09a8 \u099f\u09bf\u09aa\u09b8 \u098f\u09ac\u0982 \u098f\u09a8\u09cd\u099f\u09be\u09b0\u09aa\u09cd\u09b0\u09be\u0987\u099c \u09a1\u09c7\u099f\u09be\u09ac\u09c7\u09b8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u09a8\u09bf\u09b0\u09cd\u09ad\u09b0\u09af\u09cb\u0997\u09cd\u09af \u09aa\u09af\u09bc\u09c7\u09a8\u09cd\u099f-\u0987\u09a8-\u099f\u09be\u0987\u09ae \u09b0\u09bf\u0995\u09ad\u09be\u09b0\u09bf (PITR) \u09a8\u09bf\u09b6\u09cd\u099a\u09bf\u09a4 \u0995\u09b0\u09be\u09b0 \u0989\u09aa\u09be\u09af\u09bc\u0997\u09c1\u09b2\u09cb \u09b6\u09bf\u0996\u09c1\u09a8\u0964<\/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":"PostgreSQL WAL Archiving: Pitfalls & Data Loss Risks","rank_math_description":"**","rank_math_focus_keyword":"postgresql wal archiving","footnotes":""},"categories":[327],"tags":[328,843,331,332,333,334,3211],"class_list":["post-4505","post","type-post","status-publish","format-standard","hentry","category-database-backup","tag-data-loss-prevention","tag-database-administration","tag-pitr","tag-point-in-time-recovery","tag-postgresql","tag-rpo","tag-wal-archiving"],"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>PostgreSQL WAL Archiving: Pitfalls &amp; Data Loss Risks<\/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\" href=\"https:\/\/cloudsave.app\/bn\/knowledge-base\/postgresql-wal-%e0%a6%86%e0%a6%b0-%e0%a6%95-%e0%a6%87%e0%a6%ad-%e0%a6%b8-%e0%a6%a7-%e0%a6%b0%e0%a6%a3-%e0%a6%ad-%e0%a6%b2-%e0%a6%8f%e0%a6%ac-%e0%a6%a1-%e0%a6%9f-%e0%a6%b9-%e0%a6%b0-%e0%a6%a8-%e0%a6%b0\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PostgreSQL WAL \u0986\u09b0\u09cd\u0995\u09be\u0987\u09ad\u09bf\u0982: \u09b8\u09be\u09a7\u09be\u09b0\u09a3 \u09ad\u09c1\u09b2 \u098f\u09ac\u0982 \u09a1\u09c7\u099f\u09be \u09b9\u09be\u09b0\u09be\u09a8\u09cb\u09b0 \u099d\u09c1\u0981\u0995\u09bf\" \/>\n<meta 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