{"id":2146,"date":"2026-06-08T19:18:50","date_gmt":"2026-06-08T19:18:50","guid":{"rendered":"https:\/\/cloudsave.app\/?p=2146"},"modified":"2026-06-11T19:51:35","modified_gmt":"2026-06-11T19:51:35","slug":"%d8%aa%d8%b3%d9%84%d8%b7-%d8%a8%d8%b1-%d8%a8%d8%a7%d8%b2%db%8c%d8%a7%d8%a8%db%8c-%d8%af%d8%b1-%d9%84%d8%ad%d8%b8%d9%87-pitr-%d8%af%d8%b1-postgresql-%d8%a8%d8%b1%d8%a7%db%8c-%d9%85%d8%ad%db%8c%d8%b7","status":"publish","type":"post","link":"https:\/\/cloudsave.app\/fa\/knowledge-base\/%d8%aa%d8%b3%d9%84%d8%b7-%d8%a8%d8%b1-%d8%a8%d8%a7%d8%b2%db%8c%d8%a7%d8%a8%db%8c-%d8%af%d8%b1-%d9%84%d8%ad%d8%b8%d9%87-pitr-%d8%af%d8%b1-postgresql-%d8%a8%d8%b1%d8%a7%db%8c-%d9%85%d8%ad%db%8c%d8%b7\/","title":{"rendered":"\u062a\u0633\u0644\u0637 \u0628\u0631 \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u062f\u0631 \u0644\u062d\u0638\u0647 (PITR) \u062f\u0631 PostgreSQL \u0628\u0631\u0627\u06cc \u0645\u062d\u06cc\u0637\u200c\u0647\u0627\u06cc \u0639\u0645\u0644\u06cc\u0627\u062a\u06cc"},"content":{"rendered":"

\u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u0627\u0646 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0648 \u0645\u0647\u0646\u062f\u0633\u0627\u0646 DevOps\u060c \u0633\u0646\u0627\u0631\u06cc\u0648\u0647\u0627\u06cc \u06a9\u0645\u06cc \u0628\u0647 \u0627\u0646\u062f\u0627\u0632\u0647 \u06cc\u06a9 \u0631\u0648\u06cc\u062f\u0627\u062f \u0641\u0627\u062c\u0639\u0647\u200c\u0628\u0627\u0631 \u062f\u0627\u062f\u0647\u200c\u0627\u06cc \u0627\u0633\u062a\u0631\u0633\u200c\u0632\u0627 \u0647\u0633\u062a\u0646\u062f. \u0686\u0647 \u06cc\u06a9 \u062f\u0633\u062a\u0648\u0631 DROP TABLE<\/code> \u062a\u0635\u0627\u062f\u0641\u06cc \u0628\u0627\u0634\u062f\u060c \u0686\u0647 \u06cc\u06a9 \u0645\u0647\u0627\u062c\u0631\u062a (Migration) \u0646\u0627\u0645\u0648\u0641\u0642 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u06a9\u0647 \u0645\u06cc\u0644\u06cc\u0648\u0646\u200c\u0647\u0627 \u0631\u062f\u06cc\u0641 \u0631\u0627 \u062e\u0631\u0627\u0628 \u06a9\u0631\u062f\u0647 \u0628\u0627\u0634\u062f\u060c \u0648 \u0686\u0647 \u06cc\u06a9 \u062d\u0645\u0644\u0647 \u0628\u0627\u062c\u200c\u0627\u0641\u0632\u0627\u0631\u06cc \u0645\u062e\u0631\u0628\u060c \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u200c\u06af\u06cc\u0631\u06cc\u200c\u0647\u0627\u06cc \u0634\u0628\u0627\u0646\u0647 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u0627\u063a\u0644\u0628 \u06a9\u0627\u0641\u06cc \u0646\u06cc\u0633\u062a\u0646\u062f. \u0627\u06af\u0631 \u0641\u0627\u062c\u0639\u0647\u200c\u0627\u06cc \u062f\u0631 \u0633\u0627\u0639\u062a \u06f4:\u06f0\u06f0 \u0628\u0639\u062f\u0627\u0632\u0638\u0647\u0631 \u0631\u062e \u062f\u0647\u062f \u0648 \u0622\u062e\u0631\u06cc\u0646 \u0646\u0633\u062e\u0647 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646 \u0634\u0645\u0627 \u0645\u0631\u0628\u0648\u0637 \u0628\u0647 \u0633\u0627\u0639\u062a \u06f2:\u06f0\u06f0 \u0628\u0627\u0645\u062f\u0627\u062f \u0628\u0627\u0634\u062f\u060c \u0628\u0627 \u06f1\u06f4 \u0633\u0627\u0639\u062a \u0627\u0632 \u062f\u0633\u062a \u0631\u0641\u062a\u0646 \u062f\u0627\u0626\u0645\u06cc \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0645\u0648\u0627\u062c\u0647 \u0647\u0633\u062a\u06cc\u062f.<\/p>\n

\u0627\u06cc\u0646\u062c\u0627\u0633\u062a \u06a9\u0647 \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u062f\u0631 \u0644\u062d\u0638\u0647 (Point-in-Time Recovery \u06cc\u0627 \u0628\u0647 \u0627\u062e\u062a\u0635\u0627\u0631 PITR) \u062f\u0631 PostgreSQL \u0628\u0633\u06cc\u0627\u0631 \u0627\u0631\u0632\u0634\u0645\u0646\u062f \u0645\u06cc\u200c\u0634\u0648\u062f. PITR \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 \u06cc\u06a9 \u0645\u06cc\u06a9\u0631\u0648\u062b\u0627\u0646\u06cc\u0647 \u0642\u0628\u0644 \u0627\u0632 \u0648\u0642\u0648\u0639 \u0631\u0648\u06cc\u062f\u0627\u062f \u0641\u0627\u062c\u0639\u0647\u200c\u0628\u0627\u0631 \u0628\u0627\u0632\u06af\u0631\u062f\u0627\u0646\u06cc\u062f \u0648 \u0647\u062f\u0641 \u0646\u0642\u0637\u0647 \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc (RPO) \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 \u0646\u0632\u062f\u06cc\u06a9 \u0635\u0641\u0631 \u0628\u0631\u0633\u0627\u0646\u06cc\u062f.<\/p>\n

\u062f\u0631 \u0627\u06cc\u0646 \u0631\u0627\u0647\u0646\u0645\u0627\u06cc \u062c\u0627\u0645\u0639\u060c \u0645\u0627 \u0645\u0639\u0645\u0627\u0631\u06cc PITR \u062f\u0631 PostgreSQL \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645\u060c \u0645\u0631\u0627\u062d\u0644 \u062f\u0642\u06cc\u0642 \u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u0628\u0631\u0627\u06cc \u0645\u062d\u06cc\u0637\u200c\u0647\u0627\u06cc \u0645\u062f\u0631\u0646 PostgreSQL (\u0646\u0633\u062e\u0647 \u06f1\u06f2 \u0648 \u062c\u062f\u06cc\u062f\u062a\u0631) \u0631\u0627 \u0645\u0631\u0648\u0631 \u06a9\u0631\u062f\u0647 \u0648 \u0628\u0647\u062a\u0631\u06cc\u0646 \u0634\u06cc\u0648\u0647\u200c\u0647\u0627\u06cc \u062a\u0648\u0644\u06cc\u062f \u0631\u0627 \u0628\u0631\u0627\u06cc \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u0627\u0632 \u062a\u0627\u0628\u200c\u0622\u0648\u0631\u06cc \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0634\u0645\u0627 \u0645\u0648\u0631\u062f \u0628\u062d\u062b \u0642\u0631\u0627\u0631 \u0645\u06cc\u200c\u062f\u0647\u06cc\u0645.<\/p>\n

\u062f\u0631\u06a9 \u0645\u0639\u0645\u0627\u0631\u06cc PITR \u062f\u0631 PostgreSQL<\/h2>\n

\u0628\u0631\u0627\u06cc \u0627\u062c\u0631\u0627\u06cc \u0645\u0648\u0641\u0642\u06cc\u062a\u200c\u0622\u0645\u06cc\u0632 \u06cc\u06a9 PITR\u060c \u0628\u0627\u06cc\u062f \u0645\u06a9\u0627\u0646\u06cc\u0633\u0645\u200c\u0647\u0627\u06cc \u0632\u06cc\u0631\u0628\u0646\u0627\u06cc\u06cc \u0646\u062d\u0648\u0647 \u0645\u062f\u06cc\u0631\u06cc\u062a \u067e\u0627\u06cc\u062f\u0627\u0631\u06cc \u0648 \u0648\u0636\u0639\u06cc\u062a \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u062a\u0648\u0633\u0637 PostgreSQL \u0631\u0627 \u062f\u0631\u06a9 \u06a9\u0646\u06cc\u062f. PITR \u0628\u0647 \u062f\u0648 \u0645\u0624\u0644\u0641\u0647 \u0627\u0633\u0627\u0633\u06cc \u0645\u062a\u06a9\u06cc \u0627\u0633\u062a: \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u200c\u0647\u0627\u06cc \u067e\u0627\u06cc\u0647 (Base Backups) \u0648 \u0644\u0627\u06af\u200c\u0647\u0627\u06cc \u067e\u06cc\u0634\u200c\u0646\u0648\u06cc\u0633 (Write-Ahead Logs \u06cc\u0627 WAL).<\/p>\n

\u0644\u0627\u06af\u200c\u0647\u0627\u06cc \u067e\u06cc\u0634\u200c\u0646\u0648\u06cc\u0633 (WAL)<\/h3>\n

PostgreSQL \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 Write-Ahead Logging \u06cc\u06a9\u067e\u0627\u0631\u0686\u06af\u06cc \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0631\u0627 \u062a\u0636\u0645\u06cc\u0646 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0642\u0628\u0644 \u0627\u0632 \u0627\u06cc\u0646\u06a9\u0647 \u0647\u0631 \u062a\u063a\u06cc\u06cc\u0631\u06cc (\u062f\u0631\u062c\u060c \u0628\u0647\u200c\u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc\u060c \u062d\u0630\u0641) \u062f\u0631 \u0641\u0627\u06cc\u0644\u200c\u0647\u0627\u06cc \u062f\u0627\u062f\u0647 \u0648\u0627\u0642\u0639\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0646\u0648\u0634\u062a\u0647 \u0634\u0648\u062f\u060c \u0627\u0628\u062a\u062f\u0627 \u062f\u0631 WAL \u062b\u0628\u062a \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n

\u0628\u0647\u200c\u0637\u0648\u0631 \u067e\u06cc\u0634\u200c\u0641\u0631\u0636\u060c \u0641\u0627\u06cc\u0644\u200c\u0647\u0627\u06cc WAL \u0628\u0647 \u0628\u062e\u0634\u200c\u0647\u0627\u06cc \u06f1\u06f6 \u0645\u06af\u0627\u0628\u0627\u06cc\u062a\u06cc \u062a\u0642\u0633\u06cc\u0645 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. \u062f\u0631 \u0635\u0648\u0631\u062a \u0628\u0631\u0648\u0632 \u062e\u0631\u0627\u0628\u06cc\u060c PostgreSQL \u0627\u06cc\u0646 \u0644\u0627\u06af\u200c\u0647\u0627 \u0631\u0627 \u062f\u0648\u0628\u0627\u0631\u0647 \u067e\u062e\u0634 (Replay) \u0645\u06cc\u200c\u06a9\u0646\u062f \u062a\u0627 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0631\u0627 \u0628\u0647 \u06cc\u06a9 \u0648\u0636\u0639\u06cc\u062a \u0633\u0627\u0632\u06af\u0627\u0631 \u0628\u0627\u0632\u06af\u0631\u062f\u0627\u0646\u062f. \u0628\u0631\u0627\u06cc PITR\u060c \u0645\u0627 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0631\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0622\u0631\u0634\u06cc\u0648 \u06a9\u0631\u062f\u0646 WAL<\/strong> \u06cc\u06a9 \u06af\u0627\u0645 \u0641\u0631\u0627\u062a\u0631 \u0645\u06cc\u200c\u0628\u0631\u06cc\u0645. \u0628\u0647\u200c\u062c\u0627\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u0627\u062c\u0627\u0632\u0647 \u062f\u0647\u06cc\u0645 PostgreSQL \u0628\u062e\u0634\u200c\u0647\u0627\u06cc \u0642\u062f\u06cc\u0645\u06cc WAL \u0631\u0627 \u0628\u0627\u0632\u06cc\u0627\u0641\u062a \u06a9\u0646\u062f\u060c \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0631\u0627 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645 \u062a\u0627 \u0647\u0631 \u0641\u0627\u06cc\u0644 WAL \u062a\u06a9\u0645\u06cc\u0644\u200c\u0634\u062f\u0647 \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u0645\u06a9\u0627\u0646 \u0630\u062e\u06cc\u0631\u0647\u200c\u0633\u0627\u0632\u06cc \u062b\u0627\u0646\u0648\u06cc\u0647 \u0648 \u0627\u0645\u0646 \u06a9\u067e\u06cc (\u0622\u0631\u0634\u06cc\u0648) \u06a9\u0646\u062f.<\/p>\n

\u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u200c\u0647\u0627\u06cc \u067e\u0627\u06cc\u0647 (Base Backups)<\/h3>\n

\u067e\u0634\u062a\u06cc\u0628\u0627\u0646 \u067e\u0627\u06cc\u0647 \u06cc\u06a9 \u06a9\u067e\u06cc \u0641\u06cc\u0632\u06cc\u06a9\u06cc \u0648 \u062f\u0631 \u0633\u0637\u062d \u0641\u0627\u06cc\u0644\u200c\u0633\u06cc\u0633\u062a\u0645 \u0627\u0632 \u062f\u0627\u06cc\u0631\u06a9\u062a\u0648\u0631\u06cc \u062f\u0627\u062f\u0647 PostgreSQL (PGDATA<\/code>) \u0634\u0645\u0627\u0633\u062a. \u0627\u06cc\u0646 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0646\u0642\u0637\u0647 \u0634\u0631\u0648\u0639 \u0628\u0631\u0627\u06cc \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u0639\u0645\u0644 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0627\u0632 \u0622\u0646\u062c\u0627\u06cc\u06cc \u06a9\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u062f\u0631 \u062d\u06cc\u0646 \u062a\u0647\u06cc\u0647 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646 \u067e\u0627\u06cc\u0647 \u0641\u0639\u0627\u0644 \u0627\u0633\u062a \u0648 \u0628\u0647\u200c\u0637\u0648\u0631 \u0645\u062f\u0627\u0648\u0645 \u062a\u063a\u06cc\u06cc\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f\u060c \u062e\u0648\u062f\u0650 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646 \u0627\u0632 \u0646\u0638\u0631 \u0641\u0646\u06cc \u0646\u0627\u0633\u0627\u0632\u06af\u0627\u0631 \u0627\u0633\u062a.<\/p>\n

\u0641\u0631\u0622\u06cc\u0646\u062f \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc<\/h3>\n

PITR \u0641\u0631\u0622\u06cc\u0646\u062f \u062a\u0631\u06a9\u06cc\u0628 \u0627\u06cc\u0646 \u062f\u0648 \u0645\u0624\u0644\u0641\u0647 \u0627\u0633\u062a. \u0634\u0645\u0627 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646 \u067e\u0627\u06cc\u0647 \u0646\u0627\u0633\u0627\u0632\u06af\u0627\u0631 \u0631\u0627 \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f \u0648 \u0633\u067e\u0633 \u0628\u0647 PostgreSQL \u062f\u0633\u062a\u0648\u0631 \u0645\u06cc\u200c\u062f\u0647\u06cc\u062f \u06a9\u0647 \u0641\u0627\u06cc\u0644\u200c\u0647\u0627\u06cc WAL \u0622\u0631\u0634\u06cc\u0648 \u0634\u062f\u0647 \u0631\u0627 \u0628\u0647\u200c\u0635\u0648\u0631\u062a \u0645\u062a\u0648\u0627\u0644\u06cc \u0631\u0648\u06cc \u0622\u0646 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646 \u067e\u062e\u0634 \u06a9\u0646\u062f. \u0627\u0632 \u0622\u0646\u062c\u0627\u06cc\u06cc \u06a9\u0647 WAL \u062d\u0627\u0648\u06cc \u06cc\u06a9 \u0631\u06a9\u0648\u0631\u062f \u062f\u0642\u06cc\u0642 \u0648 \u0632\u0645\u0627\u0646\u06cc \u0627\u0632 \u0647\u0631 \u062a\u0631\u0627\u06a9\u0646\u0634 \u0627\u0633\u062a\u060c PostgreSQL \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u062a\u0627\u0631\u06cc\u062e\u0686\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0631\u0627 \u067e\u062e\u0634 \u06a9\u0631\u062f\u0647 \u0648 \u062f\u0631 \u0632\u0645\u0627\u0646 \u062f\u0642\u06cc\u0642\u060c \u0634\u0645\u0627\u0631\u0647 \u062a\u0648\u0627\u0644\u06cc \u0644\u0627\u06af (LSN) \u06cc\u0627 \u0634\u0646\u0627\u0633\u0647 \u062a\u0631\u0627\u06a9\u0646\u0634\u06cc \u06a9\u0647 \u0634\u0645\u0627 \u0645\u0634\u062e\u0635 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f\u060c \u0645\u062a\u0648\u0642\u0641 \u0634\u0648\u062f.<\/p>\n

\u067e\u06cc\u0634\u200c\u0646\u06cc\u0627\u0632\u0647\u0627: \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc PostgreSQL \u0628\u0631\u0627\u06cc \u0622\u0631\u0634\u06cc\u0648 \u06a9\u0631\u062f\u0646 WAL<\/h2>\n

\u0642\u0628\u0644 \u0627\u0632 \u0627\u06cc\u0646\u06a9\u0647 \u0628\u062a\u0648\u0627\u0646\u06cc\u062f PITR \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f\u060c \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0634\u0645\u0627 \u0628\u0627\u06cc\u062f \u0628\u0631\u0627\u06cc \u0622\u0631\u0634\u06cc\u0648 \u06a9\u0631\u062f\u0646 \u0641\u0627\u06cc\u0644\u200c\u0647\u0627\u06cc WAL \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u0634\u062f\u0647 \u0628\u0627\u0634\u062f. \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0645\u0633\u062a\u0644\u0632\u0645 \u062a\u063a\u06cc\u06cc\u0631 \u0641\u0627\u06cc\u0644 postgresql.conf<\/code> \u0634\u0645\u0627\u0633\u062a.<\/p>\n

\u0646\u06a9\u062a\u0647: \u062a\u063a\u06cc\u06cc\u0631 wal_level<\/code> \u0645\u0633\u062a\u0644\u0632\u0645 \u0631\u0627\u0647\u200c\u0627\u0646\u062f\u0627\u0632\u06cc \u0645\u062c\u062f\u062f \u0633\u0631\u0648\u06cc\u0633 PostgreSQL \u0627\u0633\u062a.<\/em><\/p>\n

# postgresql.conf\n\n# \u0633\u0637\u062d WAL \u0631\u0627 \u0631\u0648\u06cc replica (\u06cc\u0627 logical) \u062a\u0646\u0638\u06cc\u0645 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u062d\u0627\u0648\u06cc \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u06a9\u0627\u0641\u06cc \u0628\u0631\u0627\u06cc PITR \u0627\u0633\u062a\nwal_level = replica\n\n# \u0641\u0639\u0627\u0644\u200c\u0633\u0627\u0632\u06cc \u0622\u0631\u0634\u06cc\u0648 \u06a9\u0631\u062f\u0646 WAL\narchive_mode = on\n\n# \u062f\u0633\u062a\u0648\u0631 \u06a9\u067e\u06cc \u06a9\u0631\u062f\u0646 \u0641\u0627\u06cc\u0644 WAL \u0628\u0647 \u0641\u0636\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647\u200c\u0633\u0627\u0632\u06cc \u0622\u0631\u0634\u06cc\u0648 \u0631\u0627 \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0646\u06cc\u062f\n# %p \u0645\u0633\u06cc\u0631 \u0641\u0627\u06cc\u0644 WAL \u0648 %f \u0646\u0627\u0645 \u0641\u0627\u06cc\u0644 \u0627\u0633\u062a\narchive_command = 'test ! -f \/mnt\/wal_archive\/%f && cp %p \/mnt\/wal_archive\/%f'\n<\/code><\/pre>\n
\u0645\u0647\u0645:<\/strong> \u062f\u0633\u062a\u0648\u0631 archive_command<\/code> \u0627\u0631\u0627\u0626\u0647\u200c\u0634\u062f\u0647 \u062f\u0631 \u0628\u0627\u0644\u0627 \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u067e\u0627\u06cc\u0647 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 cp<\/code> \u0627\u0633\u062a. \u062f\u0633\u062a\u0648\u0631 test ! -f<\/code> \u062a\u0636\u0645\u06cc\u0646 \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u0645\u0627 \u0628\u0647\u200c\u0637\u0648\u0631 \u062a\u0635\u0627\u062f\u0641\u06cc \u06cc\u06a9 \u0641\u0627\u06cc\u0644 \u0622\u0631\u0634\u06cc\u0648 \u0645\u0648\u062c\u0648\u062f \u0631\u0627 \u0628\u0627\u0632\u0646\u0648\u06cc\u0633\u06cc \u0646\u06a9\u0646\u06cc\u0645. \u062f\u0631 \u06cc\u06a9 \u0645\u062d\u06cc\u0637 \u062a\u0648\u0644\u06cc\u062f \u0648\u0627\u0642\u0639\u06cc\u060c \u062a\u06a9\u06cc\u0647 \u0628\u0631 \u062f\u0633\u062a\u0648\u0631\u0627\u062a \u0633\u0627\u062f\u0647 \u0634\u0644 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0634\u06a9\u0646\u0646\u062f\u0647 \u0628\u0627\u0634\u062f. \u0645\u0648\u0646\u062a\u200c\u0647\u0627\u06cc \u0634\u0628\u06a9\u0647 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0642\u0637\u0639 \u0634\u0648\u0646\u062f \u0648 \u062f\u06cc\u0633\u06a9\u200c\u0647\u0627 \u067e\u0631 \u0634\u0648\u0646\u062f.<\/p>\n
\u0645\u0631\u062d\u0644\u0647 \u06f1: \u06af\u0631\u0641\u062a\u0646 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646 \u067e\u0627\u06cc\u0647<\/h2>\n
\u0628\u0627 \u0641\u0639\u0627\u0644 \u0628\u0648\u062f\u0646 \u0622\u0631\u0634\u06cc\u0648 \u06a9\u0631\u062f\u0646 WAL\u060c \u06af\u0627\u0645 \u0628\u0639\u062f\u06cc \u06af\u0631\u0641\u062a\u0646 \u06cc\u06a9 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646 \u067e\u0627\u06cc\u0647 \u0627\u0633\u062a. \u0645\u0627 \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0627\u0632 \u0627\u0628\u0632\u0627\u0631 \u0628\u0648\u0645\u06cc pg_basebackup<\/code> \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645.<\/p>\n
\u062f\u0633\u062a\u0648\u0631 \u0632\u06cc\u0631 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06a9\u0627\u0631\u0628\u0631 postgres<\/code> \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u062f:<\/p>\n
pg_basebackup -h localhost -U postgres -D \/mnt\/backups\/base_backup_$(date +%Y%m%d) -Ft -z -Xs -P\n<\/code><\/pre>\n
\u062a\u0634\u0631\u06cc\u062d \u062f\u0633\u062a\u0648\u0631:<\/strong>
\n* -D<\/code>: \u062f\u0627\u06cc\u0631\u06a9\u062a\u0648\u0631\u06cc \u0645\u0642\u0635\u062f \u0628\u0631\u0627\u06cc \u067e\u0634\u062a\u06cc\u0628\u0627\u0646.
\n* -Ft<\/code>: \u0641\u0631\u0645\u062a \u0631\u0627 \u0631\u0648\u06cc tar<\/code> \u062a\u0646\u0638\u06cc\u0645 \u0645\u06cc\u200c\u06a9\u0646\u062f (\u06cc\u06a9 \u0641\u0627\u06cc\u0644 base.tar.gz<\/code> \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc\u200c\u06a9\u0646\u062f).
\n* -z<\/code>: \u0641\u0634\u0631\u062f\u0647\u200c\u0633\u0627\u0632\u06cc gzip \u0631\u0627 \u0641\u0639\u0627\u0644 \u0645\u06cc\u200c\u06a9\u0646\u062f.
\n* -Xs<\/code>: \u0641\u0627\u06cc\u0644\u200c\u0647\u0627\u06cc WAL \u062a\u0648\u0644\u06cc\u062f\u0634\u062f\u0647 \u062f\u0631 \u062d\u06cc\u0646<\/em> \u0641\u0631\u0622\u06cc\u0646\u062f \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u200c\u06af\u06cc\u0631\u06cc \u0631\u0627 \u0627\u0633\u062a\u0631\u06cc\u0645 \u06a9\u0631\u062f\u0647 \u0648 \u062f\u0631 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646 \u0642\u0631\u0627\u0631 \u0645\u06cc\u200c\u062f\u0647\u062f. \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u062a\u0636\u0645\u06cc\u0646 \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646 \u067e\u0627\u06cc\u0647 \u0628\u0644\u0627\u0641\u0627\u0635\u0644\u0647 \u067e\u0633 \u0627\u0632 \u0627\u0633\u062a\u062e\u0631\u0627\u062c\u060c \u0633\u0627\u0632\u06af\u0627\u0631 \u0634\u0648\u062f.
\n* -P<\/code>: \u067e\u06cc\u0634\u0631\u0641\u062a \u06a9\u0627\u0631 \u0631\u0627 \u0646\u0645\u0627\u06cc\u0634 \u0645\u06cc\u200c\u062f\u0647\u062f.<\/p>\n
\u0645\u0631\u062d\u0644\u0647 \u06f2: \u0627\u062c\u0631\u0627\u06cc \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u062f\u0631 \u0644\u062d\u0638\u0647 (PG 12+)<\/h2>\n
\u0646\u06a9\u062a\u0647: PostgreSQL 12 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0642\u0627\u0628\u0644\u200c\u062a\u0648\u062c\u0647\u06cc \u062f\u0631 \u0641\u0631\u0622\u06cc\u0646\u062f \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u0627\u06cc\u062c\u0627\u062f \u06a9\u0631\u062f \u0648 \u0641\u0627\u06cc\u0644 \u0633\u0646\u062a\u06cc recovery.conf<\/code> \u0631\u0627 \u0645\u0646\u0633\u0648\u062e \u0646\u0645\u0648\u062f. \u0645\u0631\u0627\u062d\u0644 \u0632\u06cc\u0631 \u0628\u0631\u0627\u06cc PostgreSQL 12\u060c 13\u060c 14\u060c 15\u060c 16 \u0648 \u0646\u0633\u062e\u0647\u200c\u0647\u0627\u06cc \u0628\u0639\u062f \u0627\u0632 \u0622\u0646 \u0627\u0639\u0645\u0627\u0644 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/em><\/p>\n
\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u06cc\u06a9 \u062a\u0648\u0633\u0639\u0647\u200c\u062f\u0647\u0646\u062f\u0647 \u0628\u0647\u200c\u0637\u0648\u0631 \u062a\u0635\u0627\u062f\u0641\u06cc \u062f\u0633\u062a\u0648\u0631 DELETE FROM users;<\/code> \u0631\u0627 \u062f\u0642\u06cc\u0642\u0627\u064b \u062f\u0631 \u0633\u0627\u0639\u062a 2023-11-15 14:35:00 UTC<\/code> \u0627\u062c\u0631\u0627 \u06a9\u0631\u062f\u0647 \u0627\u0633\u062a. \u0645\u0627 \u0628\u0627\u06cc\u062f \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0631\u0627 \u0628\u0647 \u0633\u0627\u0639\u062a 14:34:59<\/code> \u0628\u0627\u0632\u06af\u0631\u062f\u0627\u0646\u06cc\u0645.<\/p>\n
\u06f1. \u0645\u062a\u0648\u0642\u0641 \u06a9\u0631\u062f\u0646 \u0633\u0631\u0648\u06cc\u0633 PostgreSQL<\/h3>\n
\u0627\u0628\u062a\u062f\u0627\u060c \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0631\u0627 \u0645\u062a\u0648\u0642\u0641 \u06a9\u0646\u06cc\u062f \u062a\u0627 \u0627\u0632 \u0647\u0631\u06af\u0648\u0646\u0647 \u0627\u062a\u0635\u0627\u0644 \u06cc\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0627\u062f\u0647 \u0628\u06cc\u0634\u062a\u0631 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0634\u0648\u062f.<\/p>\n
sudo systemctl stop postgresql\n<\/code><\/pre>\n
\u06f2. \u0622\u0645\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u062f\u0627\u06cc\u0631\u06a9\u062a\u0648\u0631\u06cc \u062f\u0627\u062f\u0647<\/h3>\n
\u0634\u0645\u0627 \u0628\u0627\u06cc\u062f \u062f\u0627\u06cc\u0631\u06a9\u062a\u0648\u0631\u06cc \u062f\u0627\u062f\u0647 \u0641\u0639\u0644\u06cc \u0648 \u062e\u0631\u0627\u0628\u200c\u0634\u062f\u0647 \u0631\u0627 \u067e\u0627\u06a9 \u06a9\u0646\u06cc\u062f. \u0622\u0631\u0634\u06cc\u0648\u0647\u0627\u06cc WAL \u06cc\u0627 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u200c\u0647\u0627\u06cc \u067e\u0627\u06cc\u0647 \u062e\u0648\u062f \u0631\u0627 \u062d\u0630\u0641 \u0646\u06a9\u0646\u06cc\u062f.<\/strong><\/p>\n
# \u062a\u063a\u06cc\u06cc\u0631 \u0646\u0627\u0645 \u062f\u0627\u06cc\u0631\u06a9\u062a\u0648\u0631\u06cc \u062e\u0631\u0627\u0628\u200c\u0634\u062f\u0647 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0627\u0642\u062f\u0627\u0645 \u0627\u062d\u062a\u06cc\u0627\u0637\u06cc\nmv \/var\/lib\/postgresql\/14\/main \/var\/lib\/postgresql\/14\/main_corrupted\n\n# \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u062f\u0627\u06cc\u0631\u06a9\u062a\u0648\u0631\u06cc \u062f\u0627\u062f\u0647 \u062c\u062f\u06cc\u062f \u0648 \u062e\u0627\u0644\u06cc\nmkdir \/var\/lib\/postgresql\/14\/main\nchmod 700 \/var\/lib\/postgresql\/14\/main\nchown postgres:postgres \/var\/lib\/postgresql\/14\/main\n<\/code><\/pre>\n
\u06f3. \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u067e\u0634\u062a\u06cc\u0628\u0627\u0646 \u067e\u0627\u06cc\u0647<\/h3>\n
\u0622\u062e\u0631\u06cc\u0646 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646 \u067e\u0627\u06cc\u0647 \u062e\u0648\u062f \u0631\u0627 \u062f\u0631 \u062f\u0627\u06cc\u0631\u06a9\u062a\u0648\u0631\u06cc \u062f\u0627\u062f\u0647 \u062a\u0627\u0632\u0647 \u0627\u06cc\u062c\u0627\u062f \u0634\u062f\u0647 \u0627\u0633\u062a\u062e\u0631\u0627\u062c \u06a9\u0646\u06cc\u062f.<\/p>\n
tar -xzvf \/mnt\/backups\/base_backup_20231114\/base.tar.gz -C \/var\/lib\/postgresql\/14\/main\/\n<\/code><\/pre>\n
\u06f4. \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u062a\u0646\u0638\u06cc\u0645\u0627\u062a \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc<\/h3>\n
\u0628\u0631\u0627\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u0628\u0647 PostgreSQL \u0628\u06af\u0648\u06cc\u06cc\u062f \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u0634\u0648\u062f\u060c \u0628\u0627\u06cc\u062f \u06cc\u06a9 \u0641\u0627\u06cc\u0644 \u062e\u0627\u0644\u06cc \u0628\u0647 \u0646\u0627\u0645 recovery.signal<\/code> \u062f\u0631 \u0631\u06cc\u0634\u0647 \u062f\u0627\u06cc\u0631\u06a9\u062a\u0648\u0631\u06cc \u062f\u0627\u062f\u0647 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f.<\/p>\n
touch \/var\/lib\/postgresql\/14\/main\/recovery.signal\nchown postgres:postgres \/var\/lib\/postgresql\/14\/main\/recovery.signal\n<\/code><\/pre>\n
\u0633\u067e\u0633\u060c \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627\u06cc \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u0631\u0627 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u06a9\u0646\u06cc\u062f. \u062f\u0631 PostgreSQL \u0645\u062f\u0631\u0646\u060c \u0627\u06cc\u0646 \u062a\u0646\u0638\u06cc\u0645\u0627\u062a \u0645\u0633\u062a\u0642\u06cc\u0645\u0627\u064b \u062f\u0631 postgresql.conf<\/code> (\u06cc\u0627 postgresql.auto.conf<\/code>) \u0642\u0631\u0627\u0631 \u0645\u06cc\u200c\u06af\u06cc\u0631\u0646\u062f.<\/p>\n
# postgresql.conf (\u062a\u0646\u0638\u06cc\u0645\u0627\u062a \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc)\n\n# \u062f\u0633\u062a\u0648\u0631 \u0628\u0631\u0627\u06cc \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u0641\u0627\u06cc\u0644\u200c\u0647\u0627\u06cc WAL \u0622\u0631\u0634\u06cc\u0648 \u0634\u062f\u0647\nrestore_command = 'cp \/mnt\/wal_archive\/%f %p'\n\n# \u0632\u0645\u0627\u0646 \u062f\u0642\u06cc\u0642 \u0628\u0631\u0627\u06cc \u062a\u0648\u0642\u0641 \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc\nrecovery_target_time = '2023-11-15 14:34:59 UTC'\n\n# \u0627\u0642\u062f\u0627\u0645 \u067e\u0633 \u0627\u0632 \u0631\u0633\u06cc\u062f\u0646 \u0628\u0647 \u0647\u062f\u0641 (promote \u0628\u0627\u0639\u062b \u0645\u06cc\u200c\u0634\u0648\u062f \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0646\u0648\u0634\u062a\u0646 \u0631\u0627 \u0628\u067e\u0630\u06cc\u0631\u062f)\nrecovery_target_action = 'promote'\n<\/code><\/pre>\n
\u06f5. \u0634\u0631\u0648\u0639 \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc<\/h3>\n
\u0633\u0631\u0648\u06cc\u0633 PostgreSQL \u0631\u0627 \u0634\u0631\u0648\u0639 \u06a9\u0646\u06cc\u062f. \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0641\u0627\u06cc\u0644 recovery.signal<\/code> \u0631\u0627 \u0634\u0646\u0627\u0633\u0627\u06cc\u06cc \u06a9\u0631\u062f\u0647\u060c restore_command<\/code> \u0631\u0627 \u0645\u06cc\u200c\u062e\u0648\u0627\u0646\u062f \u0648 \u0634\u0631\u0648\u0639 \u0628\u0647 \u062f\u0631\u06cc\u0627\u0641\u062a \u0648 \u067e\u062e\u0634 \u0641\u0627\u06cc\u0644\u200c\u0647\u0627\u06cc WAL \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n
sudo systemctl start postgresql\n<\/code><\/pre>\n
\u0644\u0627\u06af\u200c\u0647\u0627\u06cc PostgreSQL \u0631\u0627 \u0628\u0647\u200c\u062f\u0642\u062a \u0632\u06cc\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f. \u0628\u0627\u06cc\u062f \u062e\u0631\u0648\u062c\u06cc \u0645\u0634\u0627\u0628\u0647 \u0632\u06cc\u0631 \u0631\u0627 \u0628\u0628\u06cc\u0646\u06cc\u062f:<\/p>\n
LOG:  starting point-in-time recovery to 2023-11-15 14:34:59+00\nLOG:  restored log file \"000000010000000A000000F1\" from archive\nLOG:  redo starts at A\/F1000028\nLOG:  recovery stopping before commit of transaction 45892, time 2023-11-15 14:35:00.123456+00\nLOG:  recovery has paused\nLOG:  promoted to timeline 2\n<\/code><\/pre>\n
\u067e\u0633 \u0627\u0632 \u0627\u0631\u062a\u0642\u0627 (Promote)\u060c PostgreSQL \u0646\u0627\u0645 recovery.signal<\/code> \u0631\u0627 \u0628\u0647 recovery.signal.done<\/code> \u062a\u063a\u06cc\u06cc\u0631 \u0645\u06cc\u200c\u062f\u0647\u062f \u0648 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0627\u06a9\u0646\u0648\u0646 \u0641\u0639\u0627\u0644 \u0627\u0633\u062a \u0648 \u0627\u062a\u0635\u0627\u0644\u0627\u062a \u062e\u0648\u0627\u0646\u062f\u0646\/\u0646\u0648\u0634\u062a\u0646 \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u062e\u0637 \u0632\u0645\u0627\u0646\u06cc \u062c\u062f\u06cc\u062f \u0645\u06cc\u200c\u067e\u0630\u06cc\u0631\u062f.<\/p>\n
\u0627\u0647\u062f\u0627\u0641 \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u067e\u06cc\u0634\u0631\u0641\u062a\u0647<\/h2>\n
\u0627\u06af\u0631\u0686\u0647 \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0632\u0645\u0627\u0646 (recovery_target_time<\/code>) \u0631\u0627\u06cc\u062c\u200c\u062a\u0631\u06cc\u0646 \u0631\u0648\u0634 \u0627\u0633\u062a\u060c PostgreSQL \u0627\u0632 \u0627\u0647\u062f\u0627\u0641 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u0628\u0633\u06cc\u0627\u0631 \u062f\u0642\u06cc\u0642\u06cc \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f:<\/p>\n
    \n
  • recovery_target_name<\/code><\/strong>: \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0642\u0628\u0644 \u0627\u0632 \u0639\u0645\u0644\u06cc\u0627\u062a\u200c\u0647\u0627\u06cc \u067e\u0631\u062e\u0637\u0631\u060c \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 SELECT pg_create_restore_point('pre_migration');<\/code> \u0646\u0642\u0627\u0637 \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u0646\u0627\u0645\u200c\u06af\u0630\u0627\u0631\u06cc\u200c\u0634\u062f\u0647 \u062f\u0631 \u0645\u0646\u0637\u0642 \u0628\u0631\u0646\u0627\u0645\u0647 \u062e\u0648\u062f \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f. \u0633\u067e\u0633 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0645\u0633\u062a\u0642\u06cc\u0645\u0627\u064b \u0628\u0647 \u0627\u06cc\u0646 \u0646\u0627\u0645 \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u06a9\u0646\u06cc\u062f.<\/li>\n
  • recovery_target_lsn<\/code><\/strong>: \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u062a\u0627 \u06cc\u06a9 \u0634\u0645\u0627\u0631\u0647 \u062a\u0648\u0627\u0644\u06cc \u0644\u0627\u06af (Log Sequence Number) \u062e\u0627\u0635. \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0632\u0645\u0627\u0646\u06cc \u0645\u0641\u06cc\u062f \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u062d\u0627\u0644 \u062a\u062c\u0632\u06cc\u0647 \u0641\u0627\u06cc\u0644\u200c\u0647\u0627\u06cc WAL \u0628\u0627 pg_waldump<\/code> \u0647\u0633\u062a\u06cc\u062f \u0648 \u0622\u0641\u0633\u062a \u0628\u0627\u06cc\u062a \u062f\u0642\u06cc\u0642 \u06cc\u06a9 \u062a\u0631\u0627\u06a9\u0646\u0634 \u0645\u062e\u0631\u0628 \u0631\u0627 \u0634\u0646\u0627\u0633\u0627\u06cc\u06cc \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f.<\/li>\n
  • recovery_target_xid<\/code><\/strong>: \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u062a\u0627 \u06cc\u06a9 \u0634\u0646\u0627\u0633\u0647 \u062a\u0631\u0627\u06a9\u0646\u0634 (Transaction ID) \u062e\u0627\u0635.<\/li>\n<\/ul>\n
    \u0628\u0647\u062a\u0631\u06cc\u0646 \u0634\u06cc\u0648\u0647\u200c\u0647\u0627\u06cc \u062a\u0648\u0644\u06cc\u062f \u0628\u0631\u0627\u06cc PITR \u062f\u0631 PostgreSQL<\/h2>\n
    \u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc PITR \u062a\u0646\u0647\u0627 \u0646\u06cc\u0645\u06cc \u0627\u0632 \u0631\u0627\u0647 \u0627\u0633\u062a\u061b \u062d\u0641\u0638 \u06cc\u06a9 \u0648\u0636\u0639\u06cc\u062a \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u0627\u0632 \u0641\u0627\u062c\u0639\u0647 \u0642\u0627\u0628\u0644\u200c\u0627\u0639\u062a\u0645\u0627\u062f \u0646\u06cc\u0627\u0632\u0645\u0646\u062f \u0647\u0648\u0634\u06cc\u0627\u0631\u06cc \u0645\u062f\u0627\u0648\u0645 \u0627\u0633\u062a.<\/p>\n
    \u0646\u0638\u0627\u0631\u062a \u0628\u0631 \u0645\u0648\u0641\u0642\u06cc\u062a \u062f\u0633\u062a\u0648\u0631 \u0622\u0631\u0634\u06cc\u0648<\/h3>\n
    \u0627\u06af\u0631 archive_command<\/code> \u0634\u0645\u0627 \u0634\u06a9\u0633\u062a \u0628\u062e\u0648\u0631\u062f (\u0645\u062b\u0644\u0627\u064b \u062f\u06cc\u0633\u06a9 \u0622\u0631\u0634\u06cc\u0648 \u067e\u0631 \u0628\u0627\u0634\u062f)\u060c PostgreSQL \u0628\u0647 \u0627\u0646\u0628\u0627\u0634\u062a\u0646 \u0641\u0627\u06cc\u0644\u200c\u0647\u0627\u06cc WAL \u062f\u0631 \u062f\u0627\u06cc\u0631\u06a9\u062a\u0648\u0631\u06cc pg_wal<\/code> \u0627\u062f\u0627\u0645\u0647 \u0645\u06cc\u200c\u062f\u0647\u062f \u062a\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u062f\u06cc\u0633\u06a9 \u0627\u0635\u0644\u06cc \u067e\u0631 \u0634\u0648\u062f \u0648 \u0645\u0646\u062c\u0631 \u0628\u0647 \u062e\u0631\u0627\u0628\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u06af\u0631\u062f\u062f. \u0647\u0645\u06cc\u0634\u0647 \u0646\u0645\u0627\u06cc pg_stat_archiver<\/code> \u0631\u0627 \u0646\u0638\u0627\u0631\u062a \u06a9\u0646\u06cc\u062f:<\/p>\n
    SELECT last_failed_wal, last_failed_time, stats_reset \nFROM pg_stat_archiver \nWHERE failed_count > 0;\n<\/code><\/pre>\n
    \u0627\u06af\u0631 \u0635\u0641 \u0622\u0631\u0634\u06cc\u0648 \u0634\u0631\u0648\u0639 \u0628\u0647 \u0631\u0634\u062f \u06a9\u0631\u062f\u060c \u062f\u0631 \u067e\u0634\u062a\u0647 \u0646\u0638\u0627\u0631\u062a\u06cc \u062e\u0648\u062f (Prometheus\u060c Datadog \u0648 \u063a\u06cc\u0631\u0647) \u0647\u0634\u062f\u0627\u0631 \u062a\u0646\u0638\u06cc\u0645 \u06a9\u0646\u06cc\u062f.<\/p>\n
    \u0627\u062a\u0648\u0645\u0627\u0633\u06cc\u0648\u0646 \u0648 \u062a\u0633\u062a \u0645\u0646\u0638\u0645 \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc\u200c\u0647\u0627<\/h3>\n
    \u06cc\u06a9 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646 \u062a\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0628\u0627 \u0645\u0648\u0641\u0642\u06cc\u062a \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u0646\u0634\u0648\u062f\u060c \u0641\u0642\u0637 \u06cc\u06a9 \u0646\u0638\u0631\u06cc\u0647 \u0627\u0633\u062a. “\u067e\u0634\u062a\u06cc\u0628\u0627\u0646 \u0634\u0631\u0648\u062f\u06cc\u0646\u06af\u0631” \u0648\u0636\u0639\u06cc\u062a \u062e\u0637\u0631\u0646\u0627\u06a9\u06cc \u0628\u0631\u0627\u06cc \u0647\u0631 \u0645\u062f\u06cc\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0627\u0633\u062a. \u0634\u0645\u0627 \u0628\u0627\u06cc\u062f \u0641\u0631\u0622\u06cc\u0646\u062f \u0631\u0627\u0647\u200c\u0627\u0646\u062f\u0627\u0632\u06cc \u06cc\u06a9 \u0633\u0631\u0648\u0631 \u0627\u0633\u062a\u06cc\u062c\u06cc\u0646\u06af\u060c \u062f\u0631\u06cc\u0627\u0641\u062a \u0622\u062e\u0631\u06cc\u0646 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646 \u067e\u0627\u06cc\u0647\u060c \u067e\u062e\u0634 WAL\u0647\u0627 \u0648 \u0627\u062c\u0631\u0627\u06cc \u06a9\u0648\u0626\u0631\u06cc\u200c\u0647\u0627\u06cc \u0627\u0639\u062a\u0628\u0627\u0631\u0633\u0646\u062c\u06cc \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0631\u0627 \u062e\u0648\u062f\u06a9\u0627\u0631 \u06a9\u0646\u06cc\u062f.<\/p>\n
    \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0627\u0647\u06a9\u0627\u0631\u0647\u0627\u06cc \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u200c\u06af\u06cc\u0631\u06cc \u0633\u0627\u0632\u0645\u0627\u0646\u06cc<\/h3>\n
    \u0627\u06af\u0631\u0686\u0647 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u200c\u0646\u0648\u06cc\u0633\u06cc archive_command<\/code> \u0628\u0627 cp<\/code> \u06cc\u0627 rsync<\/code> \u0628\u0631\u0627\u06cc \u062a\u0648\u0633\u0639\u0647 \u06cc\u0627 \u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u062f\u0631 \u0645\u0642\u06cc\u0627\u0633 \u06a9\u0648\u0686\u06a9 \u0642\u0627\u0628\u0644\u200c\u0642\u0628\u0648\u0644 \u0627\u0633\u062a\u060c \u0645\u062d\u06cc\u0637\u200c\u0647\u0627\u06cc \u062a\u0648\u0644\u06cc\u062f \u0633\u0627\u0632\u0645\u0627\u0646\u06cc \u0646\u06cc\u0627\u0632\u0645\u0646\u062f \u0645\u062f\u06cc\u0631\u06cc\u062a \u0686\u0631\u062e\u0647 \u062d\u06cc\u0627\u062a \u0642\u0648\u06cc\u060c \u0631\u0645\u0632\u0646\u06af\u0627\u0631\u06cc\u060c \u0641\u0634\u0631\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u0648 \u062a\u06a9\u062b\u06cc\u0631 \u062e\u0627\u0631\u062c \u0627\u0632 \u0633\u0627\u06cc\u062a \u0647\u0633\u062a\u0646\u062f.<\/p>\n
    \u067e\u0644\u062a\u0641\u0631\u0645\u200c\u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f CloudSave \u0628\u0647\u200c\u0637\u0648\u0631 \u06cc\u06a9\u067e\u0627\u0631\u0686\u0647 \u0628\u0627 PostgreSQL \u0627\u062f\u063a\u0627\u0645 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f \u062a\u0627 \u0634\u06a9\u0646\u0646\u062f\u06af\u06cc \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u200c\u0647\u0627\u06cc bash \u0633\u0641\u0627\u0631\u0634\u06cc \u0631\u0627 \u0627\u0632 \u0628\u06cc\u0646 \u0628\u0628\u0631\u0646\u062f. CloudSave \u0632\u0645\u0627\u0646\u200c\u0628\u0646\u062f\u06cc \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u200c\u0647\u0627\u06cc \u067e\u0627\u06cc\u0647 \u0631\u0627 \u062e\u0648\u062f\u06a9\u0627\u0631 \u06a9\u0631\u062f\u0647 \u0648 \u0622\u0631\u0634\u06cc\u0648\u0647\u0627\u06cc WAL \u0631\u0627 \u0628\u0647\u200c\u0637\u0648\u0631 \u0645\u062f\u0627\u0648\u0645 \u0628\u0647 \u0641\u0636\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647\u200c\u0633\u0627\u0632\u06cc \u0627\u0628\u0631\u06cc \u0627\u0645\u0646 \u0648 \u063a\u06cc\u0631\u0642\u0627\u0628\u0644 \u062a\u063a\u06cc\u06cc\u0631 \u0627\u0633\u062a\u0631\u06cc\u0645 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0628\u0647\u200c\u062c\u0627\u06cc \u0648\u06cc\u0631\u0627\u06cc\u0634 \u062f\u0633\u062a\u06cc \u0641\u0627\u06cc\u0644\u200c\u0647\u0627\u06cc \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u0648 \u0645\u062d\u0627\u0633\u0628\u0647 \u0632\u0645\u0627\u0646\u200c\u0647\u0627 \u062f\u0631 \u062d\u06cc\u0646 \u0642\u0637\u0639\u06cc\u200c\u0647\u0627\u06cc \u067e\u0631\u0641\u0634\u0627\u0631\u060c \u0645\u062f\u06cc\u0631\u0627\u0646 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0627\u0632 \u0631\u0627\u0628\u0637 \u06cc\u06a9\u067e\u0627\u0631\u0686\u0647 CloudSave \u0628\u0631\u0627\u06cc \u062a\u0639\u0631\u06cc\u0641 RPO\u0647\u0627\u06cc \u062f\u0642\u06cc\u0642 \u0648 \u0627\u062c\u0631\u0627\u06cc \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u062f\u0631 \u0644\u062d\u0638\u0647 \u0628\u0627 \u06cc\u06a9 \u06a9\u0644\u06cc\u06a9 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u0646\u062f \u06a9\u0647 \u0628\u0647\u200c\u0637\u0648\u0631 \u0686\u0634\u0645\u06af\u06cc\u0631\u06cc \u0632\u0645\u0627\u0646 \u0645\u06cc\u0627\u0646\u06af\u06cc\u0646 \u062a\u0627 \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc (MTTR) \u0631\u0627 \u06a9\u0627\u0647\u0634 \u0645\u06cc\u200c\u062f\u0647\u062f.<\/p>\n
    \u0645\u062f\u06cc\u0631\u06cc\u062a \u0630\u062e\u06cc\u0631\u0647\u200c\u0633\u0627\u0632\u06cc \u0648 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc WAL<\/h3>\n
    \u0641\u0627\u06cc\u0644\u200c\u0647\u0627\u06cc WAL \u0622\u0631\u0634\u06cc\u0648 \u0634\u062f\u0647 \u0627\u06af\u0631 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0646\u0634\u0648\u0646\u062f\u060c \u0641\u0636\u0627\u06cc \u062f\u06cc\u0633\u06a9 \u0631\u0627 \u0628\u0647\u200c\u0637\u0648\u0631 \u0646\u0627\u0645\u062d\u062f\u0648\u062f \u0627\u0634\u063a\u0627\u0644 \u062e\u0648\u0627\u0647\u0646\u062f \u06a9\u0631\u062f. \u0634\u0645\u0627 \u0628\u0627\u06cc\u062f \u06cc\u06a9 \u0633\u06cc\u0627\u0633\u062a \u0646\u06af\u0647\u062f\u0627\u0631\u06cc (Retention Policy) \u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0628\u0627 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u200c\u0647\u0627\u06cc \u067e\u0627\u06cc\u0647 \u0634\u0645\u0627 \u0647\u0645\u0633\u0648 \u0628\u0627\u0634\u062f. \u0627\u06af\u0631 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u200c\u0647\u0627\u06cc \u067e\u0627\u06cc\u0647 \u0631\u0627 \u0628\u0631\u0627\u06cc \u06f3\u06f0 \u0631\u0648\u0632 \u0646\u06af\u0647 \u0645\u06cc\u200c\u062f\u0627\u0631\u06cc\u062f\u060c \u0641\u0642\u0637 \u0628\u0647 \u06f3\u06f0 \u0631\u0648\u0632 \u0622\u0631\u0634\u06cc\u0648 WAL \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f.<\/p>\n
    \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f pg_archivecleanup<\/code> \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0628\u0631\u0627\u06cc \u067e\u0627\u06a9\u0633\u0627\u0632\u06cc \u0641\u0627\u06cc\u0644\u200c\u0647\u0627\u06cc WAL \u0642\u062f\u06cc\u0645\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u0648\u0646\u062f\u060c \u0627\u0645\u0627 \u0627\u06cc\u0646 \u0646\u06cc\u0632 \u062d\u0648\u0632\u0647\u200c\u0627\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u067e\u0644\u062a\u0641\u0631\u0645 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u200c\u06af\u06cc\u0631\u06cc \u0627\u062e\u062a\u0635\u0627\u0635\u06cc \u0628\u0627 \u0645\u0646\u0642\u0636\u06cc \u06a9\u0631\u062f\u0646 \u062e\u0648\u062f\u06a9\u0627\u0631 WAL\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u062f\u06cc\u06af\u0631 \u062a\u0648\u0633\u0637 \u0647\u06cc\u0686 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646 \u067e\u0627\u06cc\u0647 \u0641\u0639\u0627\u0644\u06cc \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u0646\u06cc\u0633\u062a\u0646\u062f\u060c \u0639\u0645\u0644\u06cc\u0627\u062a \u0631\u0627 \u0633\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n
    \u0646\u062a\u06cc\u062c\u0647\u200c\u06af\u06cc\u0631\u06cc<\/h2>\n
    \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u062f\u0631 \u0644\u062d\u0638\u0647 (PITR) \u062f\u0631 PostgreSQL \u06cc\u06a9 \u0648\u06cc\u0698\u06af\u06cc \u063a\u06cc\u0631\u0642\u0627\u0628\u0644\u200c\u0645\u0630\u0627\u06a9\u0631\u0647 \u0628\u0631\u0627\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647\u200c\u0647\u0627\u06cc \u062f\u0627\u062f\u0647 \u062d\u06cc\u0627\u062a\u06cc \u0627\u0633\u062a. \u0628\u0627 \u062f\u0631\u06a9 \u062a\u0639\u0627\u0645\u0644 \u0628\u06cc\u0646 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u200c\u0647\u0627\u06cc \u067e\u0627\u06cc\u0647 \u0648 \u0644\u0627\u06af\u200c\u0647\u0627\u06cc \u067e\u06cc\u0634\u200c\u0646\u0648\u06cc\u0633\u060c \u0648 \u0628\u0627 \u067e\u0627\u06cc\u0628\u0646\u062f\u06cc \u062f\u0642\u06cc\u0642 \u0628\u0647 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc\u200c\u0647\u0627\u06cc \u0645\u062f\u0631\u0646 \u0648 \u0631\u0648\u06cc\u0647\u200c\u0647\u0627\u06cc \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0633\u0627\u0632\u0645\u0627\u0646 \u062e\u0648\u062f \u0631\u0627 \u0627\u0632 \u062f\u0633\u062a \u062f\u0627\u062f\u0646 \u0641\u0627\u062c\u0639\u0647\u200c\u0628\u0627\u0631 \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0645\u062d\u0627\u0641\u0638\u062a \u06a9\u0646\u06cc\u062f. \u0628\u0647 \u06cc\u0627\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u0622\u0631\u0634\u06cc\u0648\u0647\u0627\u06cc \u062e\u0648\u062f \u0631\u0627 \u0646\u0638\u0627\u0631\u062a \u06a9\u0646\u06cc\u062f\u060c \u0631\u0648\u06cc\u0647\u200c\u0647\u0627\u06cc \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u062e\u0648\u062f \u0631\u0627 \u0628\u0647\u200c\u0637\u0648\u0631 \u0645\u06a9\u0631\u0631 \u062a\u0633\u062a \u06a9\u0646\u06cc\u062f \u0648 \u0627\u0632 \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc \u0633\u0637\u062d \u0633\u0627\u0632\u0645\u0627\u0646\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f \u062a\u0627 \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u062d\u0627\u0635\u0644 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0627\u0633\u062a\u0631\u0627\u062a\u0698\u06cc \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u0627\u0632 \u0641\u0627\u062c\u0639\u0647 \u0634\u0645\u0627 \u0628\u0647 \u0627\u0646\u062f\u0627\u0632\u0647 \u062e\u0648\u062f\u0650 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u062a\u0627\u0628\u200c\u0622\u0648\u0631 \u0627\u0633\u062a.<\/p>\n","protected":false},"excerpt":{"rendered":"
    ** Learn how to implement PostgreSQL Point-in-Time Recovery (PITR) in production. This technical guide covers WAL archiving, base backups, and step-by-step recovery commands for PG 12+.<\/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 Point-in-Time Recovery (PITR) Guide","rank_math_description":"** Learn how to implement PostgreSQL Point-in-Time Recovery (PITR) in production. 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This technical guide covers WAL archiving, base backups, and step-by-step recovery commands for PG 12+.\" \/>\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\/fa\/knowledge-base\/%d8%aa%d8%b3%d9%84%d8%b7-%d8%a8%d8%b1-%d8%a8%d8%a7%d8%b2%db%8c%d8%a7%d8%a8%db%8c-%d8%af%d8%b1-%d9%84%d8%ad%d8%b8%d9%87-pitr-%d8%af%d8%b1-postgresql-%d8%a8%d8%b1%d8%a7%db%8c-%d9%85%d8%ad%db%8c%d8%b7\/\" \/>\n<meta property=\"og:locale\" content=\"fa_IR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u062a\u0633\u0644\u0637 \u0628\u0631 \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u062f\u0631 \u0644\u062d\u0638\u0647 (PITR) \u062f\u0631 PostgreSQL \u0628\u0631\u0627\u06cc \u0645\u062d\u06cc\u0637\u200c\u0647\u0627\u06cc \u0639\u0645\u0644\u06cc\u0627\u062a\u06cc\" \/>\n<meta property=\"og:description\" content=\"** Learn how to implement PostgreSQL Point-in-Time Recovery (PITR) in production. 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