{"id":4522,"date":"2026-06-14T19:31:10","date_gmt":"2026-06-14T19:31:10","guid":{"rendered":"https:\/\/cloudsave.app\/?p=4522"},"modified":"2026-06-15T14:19:26","modified_gmt":"2026-06-15T14:19:26","slug":"postgresql-wal-%e0%a4%86%e0%a4%b0-%e0%a4%95-%e0%a4%87%e0%a4%b5-%e0%a4%97-%e0%a4%b8-%e0%a4%ae-%e0%a4%a8-%e0%a4%af-%e0%a4%95%e0%a4%ae-%e0%a4%af-%e0%a4%94%e0%a4%b0-%e0%a4%a1-%e0%a4%9f-%e0%a4%b9-%e0%a4%a8","status":"publish","type":"post","link":"https:\/\/cloudsave.app\/hi\/knowledge-base\/postgresql-wal-%e0%a4%86%e0%a4%b0-%e0%a4%95-%e0%a4%87%e0%a4%b5-%e0%a4%97-%e0%a4%b8-%e0%a4%ae-%e0%a4%a8-%e0%a4%af-%e0%a4%95%e0%a4%ae-%e0%a4%af-%e0%a4%94%e0%a4%b0-%e0%a4%a1-%e0%a4%9f-%e0%a4%b9-%e0%a4%a8\/","title":{"rendered":"PostgreSQL WAL \u0906\u0930\u094d\u0915\u093e\u0907\u0935\u093f\u0902\u0917: \u0938\u093e\u092e\u093e\u0928\u094d\u092f \u0915\u092e\u093f\u092f\u093e\u0902 \u0914\u0930 \u0921\u0947\u091f\u093e \u0939\u093e\u0928\u093f \u0915\u0947 \u091c\u094b\u0916\u093f\u092e"},"content":{"rendered":"<p>\u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u090f\u0921\u092e\u093f\u0928\u093f\u0938\u094d\u091f\u094d\u0930\u0947\u091f\u0930 (DBAs) \u0914\u0930 DevOps \u0907\u0902\u091c\u0940\u0928\u093f\u092f\u0930\u094b\u0902 \u0915\u0947 \u0932\u093f\u090f \u091c\u094b \u092a\u094d\u0930\u094b\u0921\u0915\u094d\u0936\u0928 \u092e\u0947\u0902 PostgreSQL \u0915\u093e \u092a\u094d\u0930\u092c\u0902\u0927\u0928 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902, \u0932\u0917\u092d\u0917 \u0936\u0942\u0928\u094d\u092f \u0930\u093f\u0915\u0935\u0930\u0940 \u092a\u0949\u0907\u0902\u091f \u0911\u092c\u094d\u091c\u0947\u0915\u094d\u091f\u093f\u0935 (RPO) \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0915\u0930\u0928\u093e \u090f\u0915 \u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u091c\u0928\u093e\u0926\u0947\u0936 \u0939\u0948\u0964 PostgreSQL \u0915\u0940 \u0921\u093f\u091c\u093e\u0938\u094d\u091f\u0930 \u0930\u093f\u0915\u0935\u0930\u0940 \u0914\u0930 \u092a\u0949\u0907\u0902\u091f-\u0907\u0928-\u091f\u093e\u0907\u092e \u0930\u093f\u0915\u0935\u0930\u0940 (PITR) \u0915\u094d\u0937\u092e\u0924\u093e\u0913\u0902 \u0915\u0947 \u0915\u0947\u0902\u0926\u094d\u0930 \u092e\u0947\u0902 \u0930\u093e\u0907\u091f-\u0905\u0939\u0947\u0921 \u0932\u0949\u0917\u093f\u0902\u0917 (WAL) \u0939\u0948\u0964 \u091c\u092c\u0915\u093f WAL \u0921\u0947\u091f\u093e \u092b\u093c\u093e\u0907\u0932\u094b\u0902 \u092e\u0947\u0902 \u0932\u093f\u0916\u0947 \u091c\u093e\u0928\u0947 \u0938\u0947 \u092a\u0939\u0932\u0947 \u091f\u094d\u0930\u093e\u0902\u091c\u0947\u0915\u094d\u0936\u0928 \u0915\u094b \u0932\u0949\u0917 \u0915\u0930\u0915\u0947 ACID \u0905\u0928\u0941\u092a\u093e\u0932\u0928 \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948, WAL <em>\u0906\u0930\u094d\u0915\u093e\u0907\u0935\u093f\u0902\u0917<\/em> \u0935\u0939 \u0924\u0902\u0924\u094d\u0930 \u0939\u0948 \u091c\u094b \u0907\u0928 \u0932\u0949\u0917\u094d\u0938 \u0915\u094b \u0926\u0940\u0930\u094d\u0918\u0915\u093e\u0932\u093f\u0915 \u092c\u0948\u0915\u0905\u092a \u0914\u0930 \u0930\u0947\u092a\u094d\u0932\u093f\u0915\u0947\u0936\u0928 \u0915\u0947 \u0932\u093f\u090f \u0938\u0941\u0930\u0915\u094d\u0937\u093f\u0924 \u0930\u0916\u0924\u093e \u0939\u0948\u0964<\/p>\n<p>\u0939\u093e\u0932\u093e\u0901\u0915\u093f, WAL \u0906\u0930\u094d\u0915\u093e\u0907\u0935\u093f\u0902\u0917 \u0915\u094b \u0915\u0949\u0928\u094d\u092b\u093c\u093f\u0917\u0930 \u0915\u0930\u0928\u093e &#8220;\u0938\u0947\u091f \u0907\u091f \u090f\u0902\u0921 \u092b\u0949\u0930\u0917\u0947\u091f \u0907\u091f&#8221; (\u090f\u0915 \u092c\u093e\u0930 \u0938\u0947\u091f \u0915\u0930\u0915\u0947 \u092d\u0942\u0932 \u091c\u093e\u0928\u0947 \u0935\u093e\u0932\u093e) \u0911\u092a\u0930\u0947\u0936\u0928 \u0928\u0939\u0940\u0902 \u0939\u0948\u0964 \u0917\u0932\u0924 \u0915\u0949\u0928\u094d\u092b\u093c\u093f\u0917\u0930\u0947\u0936\u0928, \u0938\u093e\u0907\u0932\u0947\u0902\u091f \u092b\u0947\u0932\u094d\u092f\u094b\u0930 (\u092e\u0942\u0915 \u0935\u093f\u092b\u0932\u0924\u093e\u090f\u0902) \u0914\u0930 \u0906\u0930\u094d\u0915\u093f\u091f\u0947\u0915\u094d\u091a\u0930 \u0938\u0902\u092c\u0902\u0927\u0940 \u0917\u0932\u0924\u092b\u0939\u092e\u093f\u092f\u093e\u0902 \u0935\u093f\u0928\u093e\u0936\u0915\u093e\u0930\u0940 \u0921\u0947\u091f\u093e \u0939\u093e\u0928\u093f, \u0938\u094d\u092a\u094d\u0932\u093f\u091f-\u092c\u094d\u0930\u0947\u0928 \u092a\u0930\u093f\u0926\u0943\u0936\u094d\u092f\u094b\u0902 \u092f\u093e \u092a\u0942\u0930\u094d\u0923 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0906\u0909\u091f\u0947\u091c \u0915\u093e \u0915\u093e\u0930\u0923 \u092c\u0928 \u0938\u0915\u0924\u0940 \u0939\u0948\u0902\u0964<\/p>\n<p>\u0907\u0938 \u0935\u094d\u092f\u093e\u092a\u0915 \u0917\u093e\u0907\u0921 \u092e\u0947\u0902, \u0939\u092e PostgreSQL WAL \u0906\u0930\u094d\u0915\u093e\u0907\u0935\u093f\u0902\u0917 \u0915\u0947 \u0906\u0930\u094d\u0915\u093f\u091f\u0947\u0915\u094d\u091a\u0930 \u0915\u093e \u092a\u0924\u093e \u0932\u0917\u093e\u090f\u0902\u0917\u0947, \u0921\u0947\u091f\u093e \u0939\u093e\u0928\u093f \u0915\u093e \u0915\u093e\u0930\u0923 \u092c\u0928\u0928\u0947 \u0935\u093e\u0932\u0940 \u0938\u092c\u0938\u0947 \u0906\u092e \u0916\u093e\u092e\u093f\u092f\u094b\u0902 \u0915\u0940 \u092a\u0939\u091a\u093e\u0928 \u0915\u0930\u0947\u0902\u0917\u0947, \u0914\u0930 \u092f\u0939 \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u092a\u094d\u0930\u094b\u0921\u0915\u094d\u0936\u0928-\u0917\u094d\u0930\u0947\u0921 \u0938\u0930\u094d\u0935\u094b\u0924\u094d\u0924\u092e \u092a\u094d\u0930\u0925\u093e\u0913\u0902 \u0915\u094b \u0930\u0947\u0916\u093e\u0902\u0915\u093f\u0924 \u0915\u0930\u0947\u0902\u0917\u0947 \u0915\u093f \u0906\u092a\u0915\u093e \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0932\u091a\u0940\u0932\u093e \u092c\u0928\u093e \u0930\u0939\u0947\u0964<\/p>\n<h2>PostgreSQL WAL \u0906\u0930\u094d\u0915\u093f\u091f\u0947\u0915\u094d\u091a\u0930 \u0915\u094b \u0938\u092e\u091d\u0928\u093e<\/h2>\n<p>\u0916\u093e\u092e\u093f\u092f\u094b\u0902 \u092e\u0947\u0902 \u0917\u0939\u0930\u093e\u0908 \u0938\u0947 \u091c\u093e\u0928\u0947 \u0938\u0947 \u092a\u0939\u0932\u0947, \u092f\u0939 \u0938\u092e\u091d\u0928\u093e \u092e\u0939\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923 \u0939\u0948 \u0915\u093f PostgreSQL \u091f\u094d\u0930\u093e\u0902\u091c\u0947\u0915\u094d\u0936\u0928 \u0932\u0949\u0917\u094d\u0938 \u0915\u094b \u0915\u0948\u0938\u0947 \u0938\u0902\u092d\u093e\u0932\u0924\u093e \u0939\u0948\u0964<\/p>\n<p>PostgreSQL \u0938\u092d\u0940 \u0938\u0902\u0936\u094b\u0927\u0928\u094b\u0902 \u0915\u094b <code>pg_wal<\/code> \u0928\u093f\u0930\u094d\u0926\u0947\u0936\u093f\u0915\u093e (\u0938\u0902\u0938\u094d\u0915\u0930\u0923 10 \u0938\u0947 \u092a\u0939\u0932\u0947 <code>pg_xlog<\/code>) \u092e\u0947\u0902 \u0938\u094d\u0925\u093f\u0924 WAL \u0938\u0947\u0917\u092e\u0947\u0902\u091f (\u0921\u093f\u092b\u093c\u0949\u0932\u094d\u091f \u0930\u0942\u092a \u0938\u0947 16MB \u092b\u093c\u093e\u0907\u0932\u0947\u0902) \u092e\u0947\u0902 \u0932\u093f\u0916\u0924\u093e \u0939\u0948\u0964 \u092a\u094d\u0930\u0924\u094d\u092f\u0947\u0915 \u091f\u094d\u0930\u093e\u0902\u091c\u0947\u0915\u094d\u0936\u0928 \u0915\u094b \u0932\u0949\u0917 \u0938\u0940\u0915\u094d\u0935\u0947\u0902\u0938 \u0928\u0902\u092c\u0930 (LSN) \u0926\u094d\u0935\u093e\u0930\u093e \u091a\u093f\u0939\u094d\u0928\u093f\u0924 \u0915\u0930\u0915\u0947 \u0915\u094d\u0930\u092e\u093f\u0915 \u0930\u0942\u092a \u0938\u0947 \u0930\u093f\u0915\u0949\u0930\u094d\u0921 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964<\/p>\n<p>\u091c\u092c \u090f\u0915 WAL \u0938\u0947\u0917\u092e\u0947\u0902\u091f \u092d\u0930 \u091c\u093e\u0924\u093e \u0939\u0948, \u0924\u094b PostgreSQL \u090f\u0915 \u0928\u090f \u0938\u0947\u0917\u092e\u0947\u0902\u091f \u092a\u0930 \u0938\u094d\u0935\u093f\u091a \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948\u0964 <code>pg_wal<\/code> \u0928\u093f\u0930\u094d\u0926\u0947\u0936\u093f\u0915\u093e \u0915\u094b \u0905\u0928\u0902\u0924 \u0930\u0942\u092a \u0938\u0947 \u092c\u0922\u093c\u0928\u0947 \u0938\u0947 \u0930\u094b\u0915\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f, PostgreSQL \u092a\u0941\u0930\u093e\u0928\u0947 WAL \u0938\u0947\u0917\u092e\u0947\u0902\u091f \u0915\u094b \u0930\u0940\u0938\u093e\u092f\u0915\u0932 \u092f\u093e \u0939\u091f\u093e \u0926\u0947\u0924\u093e \u0939\u0948 \u091c\u092c \u0909\u0928\u0915\u0940 \u0915\u094d\u0930\u0948\u0936 \u0930\u093f\u0915\u0935\u0930\u0940 \u092f\u093e \u0930\u0947\u092a\u094d\u0932\u093f\u0915\u0947\u0936\u0928 \u0915\u0947 \u0932\u093f\u090f \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0928\u0939\u0940\u0902 \u0939\u094b\u0924\u0940 \u0939\u0948\u0964<\/p>\n<p><strong>WAL \u0906\u0930\u094d\u0915\u093e\u0907\u0935\u093f\u0902\u0917<\/strong> \u0907\u0938 \u0930\u0940\u0938\u093e\u0907\u0915\u094d\u0932\u093f\u0902\u0917 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u094b \u0907\u0902\u091f\u0930\u0938\u0947\u092a\u094d\u091f \u0915\u0930\u0924\u0940 \u0939\u0948\u0964 \u091c\u092c <code>archive_mode<\/code> \u0938\u0915\u094d\u0937\u092e \u0939\u094b\u0924\u093e \u0939\u0948, \u0924\u094b PostgreSQL \u090f\u0915 \u0909\u092a\u092f\u094b\u0917\u0915\u0930\u094d\u0924\u093e-\u092a\u0930\u093f\u092d\u093e\u0937\u093f\u0924 <code>archive_command<\/code> \u0928\u093f\u0937\u094d\u092a\u093e\u0926\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948 (\u092f\u093e PostgreSQL 15+ \u092e\u0947\u0902 <code>archive_library<\/code> \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0924\u093e \u0939\u0948) \u0924\u093e\u0915\u093f \u092a\u0942\u0930\u094d\u0923 WAL \u0938\u0947\u0917\u092e\u0947\u0902\u091f \u0915\u094b \u0939\u091f\u093e\u090f \u091c\u093e\u0928\u0947 \u092f\u093e \u0913\u0935\u0930\u0930\u093e\u0907\u091f \u0915\u093f\u090f \u091c\u093e\u0928\u0947 \u0938\u0947 \u092a\u0939\u0932\u0947 \u090f\u0915 \u0938\u0941\u0930\u0915\u094d\u0937\u093f\u0924, \u0926\u094d\u0935\u093f\u0924\u0940\u092f\u0915 \u0938\u094d\u0925\u093e\u0928 \u092a\u0930 \u0915\u0949\u092a\u0940 \u0915\u093f\u092f\u093e \u091c\u093e \u0938\u0915\u0947\u0964<\/p>\n<p>\u092a\u0949\u0907\u0902\u091f-\u0907\u0928-\u091f\u093e\u0907\u092e \u0930\u093f\u0915\u0935\u0930\u0940 (PITR) \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f, \u0906\u092a\u0915\u094b \u0926\u094b \u0918\u091f\u0915\u094b\u0902 \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0939\u094b\u0924\u0940 \u0939\u0948:<br \/>\n1. \u090f\u0915 \u0935\u0948\u0927 \u092c\u0947\u0938 \u092c\u0948\u0915\u0905\u092a\u0964<br \/>\n2. \u092c\u0947\u0938 \u092c\u0948\u0915\u0905\u092a \u0915\u0947 \u0938\u092e\u092f \u0938\u0947 \u0906\u092a\u0915\u0947 \u0932\u0915\u094d\u0937\u094d\u092f \u0930\u093f\u0915\u0935\u0930\u0940 \u0938\u092e\u092f \u0924\u0915 \u0906\u0930\u094d\u0915\u093e\u0907\u0935 \u0915\u093f\u090f \u0917\u090f WAL \u092b\u093c\u093e\u0907\u0932\u094b\u0902 \u0915\u0940 \u090f\u0915 \u0905\u091f\u0942\u091f \u0936\u094d\u0930\u0943\u0902\u0916\u0932\u093e\u0964<\/p>\n<p>\u092f\u0926\u093f \u0935\u0939 WAL \u0936\u094d\u0930\u0943\u0902\u0916\u0932\u093e \u091f\u0942\u091f \u091c\u093e\u0924\u0940 \u0939\u0948, \u0924\u094b \u0906\u092a\u0915\u0940 PITR \u0935\u093f\u092b\u0932 \u0939\u094b \u091c\u093e\u0924\u0940 \u0939\u0948\u0964<\/p>\n<h2>\u092a\u094d\u0930\u094b\u0921\u0915\u094d\u0936\u0928 \u0915\u0947 \u0932\u093f\u090f WAL \u0906\u0930\u094d\u0915\u093e\u0907\u0935\u093f\u0902\u0917 \u0915\u094b \u0915\u0949\u0928\u094d\u092b\u093c\u093f\u0917\u0930 \u0915\u0930\u0928\u093e<\/h2>\n<p>WAL \u0906\u0930\u094d\u0915\u093e\u0907\u0935\u093f\u0902\u0917 \u0915\u094b \u0938\u0915\u094d\u0937\u092e \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f, \u0906\u092a\u0915\u094b \u0905\u092a\u0928\u0940 <code>postgresql.conf<\/code> \u092b\u093c\u093e\u0907\u0932 \u0915\u094b \u0938\u0902\u0936\u094b\u0927\u093f\u0924 \u0915\u0930\u0928\u093e \u0939\u094b\u0917\u093e\u0964 \u090f\u0915 \u092c\u0941\u0928\u093f\u092f\u093e\u0926\u0940 \u0915\u0949\u0928\u094d\u092b\u093c\u093f\u0917\u0930\u0947\u0936\u0928 \u0915\u0947 \u0932\u093f\u090f <code>wal_level<\/code> \u0938\u0947\u091f \u0915\u0930\u0928\u0947, <code>archive_mode<\/code> \u0915\u094b \u0938\u0915\u094d\u0937\u092e \u0915\u0930\u0928\u0947 \u0914\u0930 <code>archive_command<\/code> \u0915\u094b \u092a\u0930\u093f\u092d\u093e\u0937\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0939\u094b\u0924\u0940 \u0939\u0948\u0964<\/p>\n<pre><code class=\"language-ini\"># postgresql.conf\nwal_level = replica             # 'replica' \u092f\u093e 'logical' \u0906\u0930\u094d\u0915\u093e\u0907\u0935\u093f\u0902\u0917 \u0915\u0947 \u0932\u093f\u090f \u0906\u0935\u0936\u094d\u092f\u0915 \u0939\u0948\narchive_mode = on               # \u0906\u0930\u094d\u0915\u093e\u0907\u0935\u0930 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u094b \u0938\u0915\u094d\u0937\u092e \u0915\u0930\u0924\u093e \u0939\u0948\narchive_command = 'test ! -f \/mnt\/nfs\/archive\/%f &amp;&amp; cp %p \/mnt\/nfs\/archive\/%f'\narchive_timeout = 600           # \u0939\u0930 10 \u092e\u093f\u0928\u091f \u092e\u0947\u0902 \u090f\u0915 WAL \u0938\u094d\u0935\u093f\u091a \u0915\u094b \u092e\u091c\u092c\u0942\u0930 \u0915\u0930\u0947\u0902\n<\/code><\/pre>\n<p><code>archive_command<\/code> \u092e\u0947\u0902:<br \/>\n* <code>%p<\/code> \u0906\u0930\u094d\u0915\u093e\u0907\u0935 \u0915\u0940 \u091c\u093e\u0928\u0947 \u0935\u093e\u0932\u0940 WAL \u092b\u093c\u093e\u0907\u0932 \u0915\u093e \u092a\u0942\u0930\u094d\u0923 \u092a\u0925 \u0926\u0930\u094d\u0936\u093e\u0924\u093e \u0939\u0948\u0964<br \/>\n* <code>%f<\/code> WAL \u092b\u093c\u093e\u0907\u0932 \u0915\u093e \u092b\u093c\u093e\u0907\u0932 \u0928\u093e\u092e \u0926\u0930\u094d\u0936\u093e\u0924\u093e \u0939\u0948\u0964<\/p>\n<p>\u0939\u093e\u0932\u093e\u0901\u0915\u093f \u090a\u092a\u0930 \u0926\u093f\u092f\u093e \u0917\u092f\u093e \u0915\u0949\u0928\u094d\u092b\u093c\u093f\u0917\u0930\u0947\u0936\u0928 \u0938\u0940\u0927\u093e \u0932\u0917\u0924\u093e \u0939\u0948, \u0932\u0947\u0915\u093f\u0928 \u090f\u0902\u091f\u0930\u092a\u094d\u0930\u093e\u0907\u091c\u093c \u0935\u093e\u0924\u093e\u0935\u0930\u0923 \u092e\u0947\u0902 \u0938\u0930\u0932 \u0936\u0947\u0932 \u0915\u092e\u093e\u0902\u0921 \u092a\u0930 \u092d\u0930\u094b\u0938\u093e \u0915\u0930\u0928\u093e \u092e\u0939\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923 \u091c\u094b\u0916\u093f\u092e \u092a\u0948\u0926\u093e \u0915\u0930\u0924\u093e \u0939\u0948\u0964<\/p>\n<h2>WAL \u0906\u0930\u094d\u0915\u093e\u0907\u0935\u093f\u0902\u0917 \u092e\u0947\u0902 \u0938\u093e\u092e\u093e\u0928\u094d\u092f \u0916\u093e\u092e\u093f\u092f\u093e\u0902<\/h2>\n<h3>\u0916\u093e\u092e\u0940 1: <code>archive_command<\/code> \u0915\u0940 &#8220;\u0938\u093e\u0907\u0932\u0947\u0902\u091f \u0938\u0915\u094d\u0938\u0947\u0938&#8221;<\/h3>\n<p>PostgreSQL \u092a\u0942\u0930\u0940 \u0924\u0930\u0939 \u0938\u0947 <code>archive_command<\/code> \u0915\u0947 \u090f\u0917\u094d\u091c\u093f\u091f \u0915\u094b\u0921 \u092a\u0930 \u0928\u093f\u0930\u094d\u092d\u0930 \u0915\u0930\u0924\u093e \u0939\u0948\u0964 \u092f\u0926\u093f \u0915\u092e\u093e\u0902\u0921 <code>0<\/code> \u0932\u094c\u091f\u093e\u0924\u093e \u0939\u0948, \u0924\u094b PostgreSQL \u092e\u093e\u0928 \u0932\u0947\u0924\u093e \u0939\u0948 \u0915\u093f WAL \u092b\u093c\u093e\u0907\u0932 \u0938\u0941\u0930\u0915\u094d\u0937\u093f\u0924 \u0930\u0942\u092a \u0938\u0947 \u0906\u0930\u094d\u0915\u093e\u0907\u0935 \u0939\u094b \u0917\u0908 \u0939\u0948 \u0914\u0930 \u092e\u0942\u0932 \u092b\u093c\u093e\u0907\u0932 \u0915\u094b \u0930\u0940\u0938\u093e\u092f\u0915\u0932 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0906\u0917\u0947 \u092c\u0922\u093c\u0924\u093e \u0939\u0948\u0964<\/p>\n<p>\u090f\u0915 \u0906\u092e \u0917\u0932\u0924\u0940 \u0910\u0938\u0940 \u0915\u092e\u093e\u0902\u0921 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0928\u093e \u0939\u0948 \u091c\u094b <code>0<\/code> \u0932\u094c\u091f\u093e\u0924\u0940 \u0939\u0948, \u092d\u0932\u0947 \u0939\u0940 \u0921\u0947\u091f\u093e \u0938\u0941\u0930\u0915\u094d\u0937\u093f\u0924 \u0930\u0942\u092a \u0938\u0947 \u0938\u094d\u0925\u093e\u092f\u0940 \u0938\u094d\u091f\u094b\u0930\u0947\u091c \u092e\u0947\u0902 \u092b\u094d\u0932\u0936 \u0928 \u0939\u0941\u0906 \u0939\u094b\u0964 \u0909\u0926\u093e\u0939\u0930\u0923 \u0915\u0947 \u0932\u093f\u090f, \u090f\u0915 \u0938\u093e\u0927\u093e\u0930\u0923 <code>cp<\/code> \u0915\u092e\u093e\u0902\u0921 \u0917\u0902\u0924\u0935\u094d\u092f \u0938\u0930\u094d\u0935\u0930 \u092a\u0930 \u0913\u090f\u0938 \u092a\u0947\u091c \u0915\u0948\u0936 \u092e\u0947\u0902 \u0921\u0947\u091f\u093e \u0906\u0924\u0947 \u0939\u0940 \u0938\u092b\u0932\u0924\u093e \u0932\u094c\u091f\u093e \u0938\u0915\u0924\u0940 \u0939\u0948\u0964 \u092f\u0926\u093f \u0921\u093f\u0938\u094d\u0915 \u092a\u0930 \u0915\u0948\u0936 \u092b\u094d\u0932\u0936 \u0939\u094b\u0928\u0947 \u0938\u0947 \u092a\u0939\u0932\u0947 \u0917\u0902\u0924\u0935\u094d\u092f \u0938\u0930\u094d\u0935\u0930 \u0915\u0940 \u092c\u093f\u091c\u0932\u0940 \u091a\u0932\u0940 \u091c\u093e\u0924\u0940 \u0939\u0948, \u0924\u094b WAL \u092b\u093c\u093e\u0907\u0932 \u0916\u094b \u091c\u093e\u0924\u0940 \u0939\u0948, \u0932\u0947\u0915\u093f\u0928 PostgreSQL \u0928\u0947 \u0905\u092a\u0928\u0940 \u0938\u094d\u0925\u093e\u0928\u0940\u092f \u092a\u094d\u0930\u0924\u093f\u0932\u093f\u092a\u093f \u092a\u0939\u0932\u0947 \u0939\u0940 \u0939\u091f\u093e \u0926\u0940 \u0939\u0948\u0964<\/p>\n<p><strong>\u091c\u094b\u0916\u093f\u092e:<\/strong> \u090f\u0915 \u091f\u0942\u091f\u0940 \u0939\u0941\u0908 WAL \u0936\u094d\u0930\u0943\u0902\u0916\u0932\u093e \u0914\u0930 PITR \u0915\u0930\u0928\u0947 \u092e\u0947\u0902 \u0905\u0938\u092e\u0930\u094d\u0925\u0924\u093e, \u091c\u093f\u0938\u0915\u093e \u092a\u0924\u093e \u0915\u0947\u0935\u0932 \u0921\u093f\u091c\u093e\u0938\u094d\u091f\u0930 \u0930\u093f\u0915\u0935\u0930\u0940 \u092a\u0930\u093f\u0926\u0943\u0936\u094d\u092f \u0915\u0947 \u0926\u094c\u0930\u093e\u0928 \u091a\u0932\u0924\u093e \u0939\u0948\u0964<\/p>\n<p><strong>\u0936\u092e\u0928:<\/strong> \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0947\u0902 \u0915\u093f \u0906\u092a\u0915\u0940 \u0906\u0930\u094d\u0915\u093e\u0907\u0935\u093f\u0902\u0917 \u0938\u094d\u0915\u094d\u0930\u093f\u092a\u094d\u091f \u0938\u093f\u0902\u0915\u094d\u0930\u094b\u0928\u0938 \u0930\u093e\u0907\u091f\u094d\u0938 \u0915\u094b \u0932\u093e\u0917\u0942 \u0915\u0930\u0924\u0940 \u0939\u0948\u0964 \u092f\u0926\u093f \u092e\u093e\u0928\u0915 \u0936\u0947\u0932 \u0915\u092e\u093e\u0902\u0921 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930 \u0930\u0939\u0947 \u0939\u0948\u0902, \u0924\u094b \u0909\u0928 \u0909\u092a\u0915\u0930\u0923\u094b\u0902 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0947\u0902 \u091c\u094b \u0921\u0947\u091f\u093e \u092b\u094d\u0932\u0936 \u0939\u094b\u0928\u0947 \u0915\u0940 \u0917\u093e\u0930\u0902\u091f\u0940 \u0926\u0947\u0924\u0947 \u0939\u0948\u0902, \u092f\u093e \u090f\u0915 \u0930\u0948\u092a\u0930 \u0938\u094d\u0915\u094d\u0930\u093f\u092a\u094d\u091f \u0932\u093f\u0916\u0947\u0902 \u091c\u094b \u091f\u094d\u0930\u093e\u0902\u0938\u092b\u0930 \u0915\u0947 \u092c\u093e\u0926 \u092b\u093c\u093e\u0907\u0932 \u0906\u0915\u093e\u0930 \u0914\u0930 \u091a\u0947\u0915\u0938\u092e \u0915\u094b \u0938\u0924\u094d\u092f\u093e\u092a\u093f\u0924 \u0915\u0930\u0924\u0940 \u0939\u0948\u0964<\/p>\n<h3>\u0916\u093e\u092e\u0940 2: <code>pg_wal<\/code> \u092a\u093e\u0930\u094d\u091f\u0940\u0936\u0928 \u0915\u093e \u0938\u092e\u093e\u092a\u094d\u0924 \u0939\u094b\u0928\u093e (WAL \u092c\u094d\u0932\u094b\u091f)<\/h3>\n<p>\u092f\u0926\u093f <code>archive_command<\/code> \u0935\u093f\u092b\u0932 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948 (\u0917\u0948\u0930-\u0936\u0942\u0928\u094d\u092f \u090f\u0917\u094d\u091c\u093f\u091f \u0915\u094b\u0921 \u0932\u094c\u091f\u093e\u0924\u093e \u0939\u0948)\u2014\u0928\u0947\u091f\u0935\u0930\u094d\u0915 \u0906\u0909\u091f\u0947\u091c, \u0917\u0932\u0924 \u0905\u0928\u0941\u092e\u0924\u093f\u092f\u094b\u0902, \u092f\u093e \u092a\u0942\u0930\u094d\u0923 \u0917\u0902\u0924\u0935\u094d\u092f \u0921\u093f\u0938\u094d\u0915 \u0915\u0947 \u0915\u093e\u0930\u0923\u2014\u0924\u094b PostgreSQL WAL \u092b\u093c\u093e\u0907\u0932 \u0915\u094b <code>pg_wal<\/code> \u0928\u093f\u0930\u094d\u0926\u0947\u0936\u093f\u0915\u093e \u092e\u0947\u0902 \u0930\u0916\u0947\u0917\u093e \u0914\u0930 \u0905\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u093e\u0932 \u0924\u0915 \u0915\u092e\u093e\u0902\u0921 \u0915\u094b \u092b\u093f\u0930 \u0938\u0947 \u092a\u094d\u0930\u092f\u093e\u0938 \u0915\u0930\u0947\u0917\u093e\u0964<\/p>\n<p>\u0939\u093e\u0932\u093e\u0901\u0915\u093f \u092f\u0939 \u0905\u0928\u0906\u0930\u094d\u0915\u093e\u0907\u0935\u094d\u0921 WALs \u0915\u094b \u0928 \u0939\u091f\u093e\u0915\u0930 \u0921\u0947\u091f\u093e \u0939\u093e\u0928\u093f \u0915\u094b \u0930\u094b\u0915\u0924\u093e \u0939\u0948, \u0932\u0947\u0915\u093f\u0928 \u092f\u0939 \u090f\u0915 \u0917\u0902\u092d\u0940\u0930 \u0909\u092a\u0932\u092c\u094d\u0927\u0924\u093e \u091c\u094b\u0916\u093f\u092e \u092a\u0947\u0936 \u0915\u0930\u0924\u093e \u0939\u0948\u0964 \u092f\u0926\u093f <code>pg_wal<\/code> \u0928\u093f\u0930\u094d\u0926\u0947\u0936\u093f\u0915\u093e \u090f\u0915 \u0910\u0938\u0947 \u092a\u093e\u0930\u094d\u091f\u0940\u0936\u0928 \u092a\u0930 \u0938\u094d\u0925\u093f\u0924 \u0939\u0948 \u091c\u094b 100% \u0924\u0915 \u092d\u0930 \u091c\u093e\u0924\u093e \u0939\u0948, \u0924\u094b PostgreSQL \u090f\u0915 <code>PANIC<\/code> \u091c\u093e\u0930\u0940 \u0915\u0930\u0947\u0917\u093e \u0914\u0930 \u0915\u094d\u0930\u0948\u0936 \u0939\u094b \u091c\u093e\u090f\u0917\u093e\u0964 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0924\u092c \u0924\u0915 \u092b\u093f\u0930 \u0938\u0947 \u0936\u0941\u0930\u0942 \u0928\u0939\u0940\u0902 \u0939\u094b\u0917\u093e \u091c\u092c \u0924\u0915 \u0915\u093f \u091c\u0917\u0939 \u0916\u093e\u0932\u0940 \u0928 \u0939\u094b \u091c\u093e\u090f\u0964<\/p>\n<p><strong>\u091c\u094b\u0916\u093f\u092e:<\/strong> \u092a\u0942\u0930\u094d\u0923 <code>pg_wal<\/code> \u092a\u093e\u0930\u094d\u091f\u0940\u0936\u0928 \u0915\u0947 \u0915\u093e\u0930\u0923 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0915\u093e \u092a\u0942\u0930\u094d\u0923 \u0921\u093e\u0909\u0928\u091f\u093e\u0907\u092e\u0964<\/p>\n<p><strong>\u0936\u092e\u0928:<\/strong><br \/>\n1. <code>pg_wal<\/code> \u0915\u094b \u0939\u092e\u0947\u0936\u093e \u090f\u0915 \u0938\u092e\u0930\u094d\u092a\u093f\u0924 \u0921\u093f\u0938\u094d\u0915 \u092a\u093e\u0930\u094d\u091f\u0940\u0936\u0928 \u092a\u0930 \u0930\u0916\u0947\u0902\u0964<br \/>\n2. <code>pg_wal<\/code> \u0928\u093f\u0930\u094d\u0926\u0947\u0936\u093f\u0915\u093e \u0906\u0915\u093e\u0930 \u092a\u0930 \u0906\u0915\u094d\u0930\u093e\u092e\u0915 \u0928\u093f\u0917\u0930\u093e\u0928\u0940 \u0932\u093e\u0917\u0942 \u0915\u0930\u0947\u0902\u0964<br \/>\n3. \u0935\u093f\u092b\u0932 \u0906\u0930\u094d\u0915\u093e\u0907\u0935 \u0915\u092e\u093e\u0902\u0921 \u0915\u093e \u0924\u0941\u0930\u0902\u0924 \u092a\u0924\u093e \u0932\u0917\u093e\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f <code>pg_stat_archiver<\/code> \u0935\u094d\u092f\u0942 \u0915\u0940 \u0928\u093f\u0917\u0930\u093e\u0928\u0940 \u0915\u0930\u0947\u0902\u0964<\/p>\n<h3>\u0916\u093e\u092e\u0940 3: \u0905\u0927\u0942\u0930\u093e \u092c\u0947\u0938 \u092c\u0948\u0915\u0905\u092a<\/h3>\n<p>\u092c\u0948\u0915\u0905\u092a \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0947 \u0926\u094c\u0930\u093e\u0928 \u0909\u0924\u094d\u092a\u0928\u094d\u0928 WAL \u092b\u093c\u093e\u0907\u0932\u094b\u0902 \u0915\u0947 \u092c\u093f\u0928\u093e \u092c\u0947\u0938 \u092c\u0948\u0915\u0905\u092a \u092c\u0947\u0915\u093e\u0930 \u0939\u0948\u0964 \u092f\u0926\u093f \u0906\u092a \u092b\u093c\u093e\u0907\u0932 \u0938\u093f\u0938\u094d\u091f\u092e-\u0938\u094d\u0924\u0930\u0940\u092f \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u0932\u0947\u0924\u0947 \u0939\u0948\u0902 \u092f\u093e WALs \u0915\u094b \u0938\u094d\u091f\u094d\u0930\u0940\u092e \u0915\u093f\u090f \u092c\u093f\u0928\u093e <code>pg_basebackup<\/code> (<code>-X stream<\/code>) \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902, \u0924\u094b \u0906\u092a\u0915\u094b \u092f\u0939 \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0928\u093e \u0939\u094b\u0917\u093e \u0915\u093f \u092c\u0948\u0915\u0905\u092a \u0915\u0947 \u0936\u0941\u0930\u0942 \u0914\u0930 \u0905\u0902\u0924 \u0915\u0947 \u092c\u0940\u091a \u0909\u0924\u094d\u092a\u0928\u094d\u0928 WAL \u092b\u093c\u093e\u0907\u0932\u0947\u0902 \u0938\u092b\u0932\u0924\u093e\u092a\u0942\u0930\u094d\u0935\u0915 \u0906\u0930\u094d\u0915\u093e\u0907\u0935 \u0939\u094b \u0917\u0908 \u0939\u0948\u0902\u0964<\/p>\n<p>\u092f\u0926\u093f \u0906\u092a\u0915\u093e \u0906\u0930\u094d\u0915\u093e\u0907\u0935\u0930 \u092a\u093f\u091b\u0921\u093c \u0930\u0939\u093e \u0939\u0948 \u092f\u093e \u0935\u093f\u092b\u0932 \u0939\u094b \u0930\u0939\u093e \u0939\u0948, \u0914\u0930 \u0935\u0947 \u0935\u093f\u0936\u093f\u0937\u094d\u091f WAL \u092b\u093c\u093e\u0907\u0932\u0947\u0902 \u0916\u094b \u091c\u093e\u0924\u0940 \u0939\u0948\u0902, \u0924\u094b \u092c\u0947\u0938 \u092c\u0948\u0915\u0905\u092a \u0915\u094b \u0938\u0941\u0938\u0902\u0917\u0924 \u0938\u094d\u0925\u093f\u0924\u093f \u092e\u0947\u0902 \u0928\u0939\u0940\u0902 \u0932\u093e\u092f\u093e \u091c\u093e \u0938\u0915\u0924\u093e \u0939\u0948\u0964<\/p>\n<p><strong>\u091c\u094b\u0916\u093f\u092e:<\/strong> \u0926\u0942\u0937\u093f\u0924 \u092f\u093e \u0905\u092a\u094d\u0930\u093e\u092a\u094d\u092f \u092c\u0947\u0938 \u092c\u0948\u0915\u0905\u092a\u0964<\/p>\n<p><strong>\u0936\u092e\u0928:<\/strong> \u092c\u0948\u0915\u0905\u092a \u092a\u0947\u0932\u094b\u0921 \u092e\u0947\u0902 \u0939\u0940 \u0906\u0935\u0936\u094d\u092f\u0915 WAL \u092b\u093c\u093e\u0907\u0932\u094b\u0902 \u0915\u094b \u0936\u093e\u092e\u093f\u0932 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f <code>pg_basebackup -X stream<\/code> \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0947\u0902, \u092f\u093e \u0910\u0938\u0947 \u090f\u0902\u091f\u0930\u092a\u094d\u0930\u093e\u0907\u091c\u093c \u092c\u0948\u0915\u0905\u092a \u0938\u092e\u093e\u0927\u093e\u0928\u094b\u0902 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0947\u0902 \u091c\u094b \u092c\u0947\u0938 \u092c\u0948\u0915\u0905\u092a \u0914\u0930 WAL \u0938\u0947\u0917\u092e\u0947\u0902\u091f \u0915\u0947 \u092c\u0940\u091a \u0928\u093f\u0930\u094d\u092d\u0930\u0924\u093e \u0915\u094b \u0938\u094d\u0935\u091a\u093e\u0932\u093f\u0924 \u0930\u0942\u092a \u0938\u0947 \u092a\u094d\u0930\u092c\u0902\u0927\u093f\u0924 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n<h3>\u0916\u093e\u092e\u0940 4: \u091f\u093e\u0907\u092e\u0932\u093e\u0907\u0928 \u092d\u094d\u0930\u092e \u0914\u0930 \u0938\u094d\u092a\u094d\u0932\u093f\u091f-\u092c\u094d\u0930\u0947\u0928 \u092a\u0930\u093f\u0926\u0943\u0936\u094d\u092f<\/h3>\n<p>\u091c\u092c \u090f\u0915 \u0938\u094d\u091f\u0948\u0902\u0921\u092c\u093e\u092f \u0938\u0930\u094d\u0935\u0930 \u0915\u094b \u092a\u094d\u0930\u093e\u0907\u092e\u0930\u0940 \u0915\u0947 \u0930\u0942\u092a \u092e\u0947\u0902 \u092a\u094d\u0930\u092e\u094b\u091f \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948, \u0924\u094b PostgreSQL &#8220;\u091f\u093e\u0907\u092e\u0932\u093e\u0907\u0928 \u0906\u0908\u0921\u0940&#8221; (WAL \u092b\u093c\u093e\u0907\u0932 \u0928\u093e\u092e \u0915\u093e \u092a\u0939\u0932\u093e \u092d\u093e\u0917, \u0909\u0926\u093e. <code>0000000200000001000000A4<\/code>) \u0915\u094b \u092c\u0922\u093c\u093e\u0924\u093e \u0939\u0948\u0964 \u092f\u0939 \u0928\u090f \u092a\u094d\u0930\u093e\u0907\u092e\u0930\u0940 \u0915\u094b \u092a\u0941\u0930\u093e\u0928\u0947 \u092a\u094d\u0930\u093e\u0907\u092e\u0930\u0940 \u0915\u0947 WAL \u0907\u0924\u093f\u0939\u093e\u0938 \u0915\u094b \u0913\u0935\u0930\u0930\u093e\u0907\u091f \u0915\u0930\u0928\u0947 \u0938\u0947 \u0930\u094b\u0915\u0924\u093e \u0939\u0948\u0964<\/p>\n<p>\u0939\u093e\u0932\u093e\u0901\u0915\u093f, \u092f\u0926\u093f \u092a\u0941\u0930\u093e\u0928\u0947 \u092a\u094d\u0930\u093e\u0907\u092e\u0930\u0940 \u0915\u094b \u0917\u0932\u0924\u0940 \u0938\u0947 \u0920\u0940\u0915 \u0938\u0947 \u092b\u0947\u0902\u0938 \u0915\u093f\u090f \u092c\u093f\u0928\u093e \u0936\u0941\u0930\u0942 \u0915\u0930 \u0926\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948 (\u090f\u0915 \u0938\u094d\u092a\u094d\u0932\u093f\u091f-\u092c\u094d\u0930\u0947\u0928 \u092a\u0930\u093f\u0926\u0943\u0936\u094d\u092f), \u0924\u094b \u092f\u0939 \u092a\u0941\u0930\u093e\u0928\u0940 \u091f\u093e\u0907\u092e\u0932\u093e\u0907\u0928 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0915\u0947 \u0909\u0938\u0940 \u0906\u0930\u094d\u0915\u093e\u0907\u0935 \u0938\u094d\u0925\u093e\u0928 \u092a\u0930 WAL \u092b\u093c\u093e\u0907\u0932\u0947\u0902 \u092d\u0947\u091c\u0928\u0947 \u0915\u093e \u092a\u094d\u0930\u092f\u093e\u0938 \u0915\u0930 \u0938\u0915\u0924\u093e \u0939\u0948\u0964 \u092f\u0926\u093f \u0906\u092a\u0915\u093e <code>archive_command<\/code> \u0906\u0901\u0916 \u092c\u0902\u0926 \u0915\u0930\u0915\u0947 \u092b\u093c\u093e\u0907\u0932\u094b\u0902 \u0915\u094b \u0913\u0935\u0930\u0930\u093e\u0907\u091f \u0915\u0930\u0924\u093e \u0939\u0948, \u0924\u094b \u0906\u092a \u0905\u092a\u0928\u0947 \u0906\u0930\u094d\u0915\u093e\u0907\u0935 \u0930\u093f\u092a\u0949\u091c\u093f\u091f\u0930\u0940 \u0915\u094b \u0926\u0942\u0937\u093f\u0924 \u0915\u0930 \u0938\u0915\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n<p><strong>\u091c\u094b\u0916\u093f\u092e:<\/strong> \u0913\u0935\u0930\u0930\u093e\u0907\u091f \u0915\u0940 \u0917\u0908 WAL \u092b\u093c\u093e\u0907\u0932\u0947\u0902, \u0926\u0942\u0937\u093f\u0924 \u0906\u0930\u094d\u0915\u093e\u0907\u0935 \u0914\u0930 \u0905\u092a\u094d\u0930\u093e\u092a\u094d\u092f \u0921\u0947\u091f\u093e\u092c\u0947\u0938\u0964<\/p>\n<p><strong>\u0936\u092e\u0928:<\/strong> \u0906\u092a\u0915\u0947 <code>archive_command<\/code> \u0915\u094b \u0915\u092d\u0940 \u092d\u0940 \u092e\u094c\u091c\u0942\u0926\u093e \u092b\u093c\u093e\u0907\u0932 \u0915\u094b \u0913\u0935\u0930\u0930\u093e\u0907\u091f \u0928\u0939\u0940\u0902 \u0915\u0930\u0928\u093e \u091a\u093e\u0939\u093f\u090f\u0964 \u092a\u0939\u0932\u0947 \u0926\u093f\u090f \u0917\u090f \u092c\u0941\u0928\u093f\u092f\u093e\u0926\u0940 \u0915\u0949\u0928\u094d\u092b\u093c\u093f\u0917\u0930\u0947\u0936\u0928 \u092e\u0947\u0902 \u0927\u094d\u092f\u093e\u0928 \u0926\u0947\u0902, \u0939\u092e\u0928\u0947 \u0938\u094d\u092a\u0937\u094d\u091f \u0930\u0942\u092a \u0938\u0947 \u0935\u093f\u092b\u0932 \u0939\u094b\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f <code>test ! -f \/mnt\/nfs\/archive\/%f<\/code> \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u093f\u092f\u093e \u0925\u093e \u092f\u0926\u093f \u092b\u093c\u093e\u0907\u0932 \u092a\u0939\u0932\u0947 \u0938\u0947 \u092e\u094c\u091c\u0942\u0926 \u0939\u0948\u0964<\/p>\n<h2>\u0921\u0947\u091f\u093e \u0939\u093e\u0928\u093f \u0915\u0947 \u091c\u094b\u0916\u093f\u092e\u094b\u0902 \u0915\u094b \u0915\u092e \u0915\u0930\u0928\u093e: \u092a\u094d\u0930\u094b\u0921\u0915\u094d\u0936\u0928 \u0938\u0930\u094d\u0935\u094b\u0924\u094d\u0924\u092e \u092a\u094d\u0930\u0925\u093e\u090f\u0902<\/h2>\n<p>\u0905\u092a\u0928\u0940 PostgreSQL \u0906\u0930\u094d\u0915\u093e\u0907\u0935\u093f\u0902\u0917 \u0930\u0923\u0928\u0940\u0924\u093f \u0915\u094b \u092e\u091c\u092c\u0942\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f, \u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u0938\u0930\u094d\u0935\u094b\u0924\u094d\u0924\u092e \u092a\u094d\u0930\u0925\u093e\u0913\u0902 \u0915\u094b \u0932\u093e\u0917\u0942 \u0915\u0930\u0947\u0902\u0964<\/p>\n<h3>1. \u0906\u0930\u094d\u0915\u093e\u0907\u0935\u0930 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0940 \u092e\u0942\u0932 \u0930\u0942\u092a \u0938\u0947 \u0928\u093f\u0917\u0930\u093e\u0928\u0940 \u0915\u0930\u0947\u0902<\/h3>\n<p>PostgreSQL \u090f\u0915 \u0905\u0902\u0924\u0930\u094d\u0928\u093f\u0939\u093f\u0924 \u0935\u094d\u092f\u0942, <code>pg_stat_archiver<\/code> \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0924\u093e \u0939\u0948, \u091c\u094b \u0906\u092a\u0915\u0940 \u0906\u0930\u094d\u0915\u093e\u0907\u0935\u093f\u0902\u0917 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0940 \u0938\u092b\u0932\u0924\u093e \u0914\u0930 \u0935\u093f\u092b\u0932\u0924\u093e \u0915\u094b \u091f\u094d\u0930\u0948\u0915 \u0915\u0930\u0924\u093e \u0939\u0948\u0964 \u0906\u092a\u0915\u094b \u0907\u0938 \u0935\u094d\u092f\u0942 \u0915\u094b \u0905\u092a\u0928\u0947 \u0911\u092c\u094d\u091c\u0930\u094d\u0935\u0947\u092c\u093f\u0932\u093f\u091f\u0940 \u0938\u094d\u091f\u0948\u0915 (\u091c\u0948\u0938\u0947 Prometheus, Datadog, \u092f\u093e Zabbix) \u092e\u0947\u0902 \u090f\u0915\u0940\u0915\u0943\u0924 \u0915\u0930\u0928\u093e \u091a\u093e\u0939\u093f\u090f\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>\u0915\u0949\u0928\u094d\u092b\u093c\u093f\u0917\u0930 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0905\u0932\u0930\u094d\u091f\u093f\u0902\u0917 \u0925\u094d\u0930\u0947\u0936\u094b\u0932\u094d\u0921:<\/strong><br \/>\n* \u092f\u0926\u093f <code>failed_count<\/code> \u092c\u0922\u093c\u0924\u093e \u0939\u0948 \u0924\u094b \u0905\u0932\u0930\u094d\u091f \u0915\u0930\u0947\u0902\u0964<br \/>\n* \u092f\u0926\u093f <code>now()<\/code> \u0914\u0930 <code>last_archived_time<\/code> \u0915\u0947 \u092c\u0940\u091a \u0915\u093e \u0938\u092e\u092f \u0905\u0902\u0924\u0930 \u0906\u092a\u0915\u0947 RPO \u0925\u094d\u0930\u0947\u0936\u094b\u0932\u094d\u0921 (\u0909\u0926\u093e. 15 \u092e\u093f\u0928\u091f) \u0938\u0947 \u0905\u0927\u093f\u0915 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948 \u0924\u094b \u0905\u0932\u0930\u094d\u091f \u0915\u0930\u0947\u0902, \u092f\u0939 \u0927\u094d\u092f\u093e\u0928 \u092e\u0947\u0902 \u0930\u0916\u0924\u0947 \u0939\u0941\u090f \u0915\u093f \u0915\u092e-\u091f\u094d\u0930\u0948\u092b\u093c\u093f\u0915 \u0935\u093e\u0932\u0947 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u092e\u0947\u0902 \u0938\u094d\u0935\u093e\u092d\u093e\u0935\u093f\u0915 \u0930\u0942\u092a \u0938\u0947 \u0926\u0947\u0930\u0940 \u0939\u094b \u0938\u0915\u0924\u0940 \u0939\u0948 \u091c\u092c \u0924\u0915 \u0915\u093f <code>archive_timeout<\/code> \u0938\u0947\u091f \u0928 \u0939\u094b\u0964<\/p>\n<h3>2. <code>archive_timeout<\/code> \u0915\u093e \u0932\u093e\u092d \u0909\u0920\u093e\u090f\u0902<\/h3>\n<p>\u0915\u092e \u0930\u093e\u0907\u091f \u0935\u0949\u0932\u094d\u092f\u0942\u092e \u0935\u093e\u0932\u0947 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u092e\u0947\u0902, 16MB \u0915\u0940 WAL \u092b\u093c\u093e\u0907\u0932 \u0915\u094b \u092d\u0930\u0928\u0947 \u092e\u0947\u0902 \u0918\u0902\u091f\u094b\u0902 \u0932\u0917 \u0938\u0915\u0924\u0947 \u0939\u0948\u0902\u0964 \u091c\u092c \u0924\u0915 \u092f\u0939 \u092d\u0930 \u0928\u0939\u0940\u0902 \u091c\u093e\u0924\u0940, \u0924\u092c \u0924\u0915 \u0907\u0938\u0947 \u0906\u0930\u094d\u0915\u093e\u0907\u0935 \u0928\u0939\u0940\u0902 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u092f\u0926\u093f \u0938\u0930\u094d\u0935\u0930 \u0915\u094d\u0930\u0948\u0936 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948 \u0914\u0930 \u0938\u094d\u0925\u093e\u0928\u0940\u092f \u0921\u093f\u0938\u094d\u0915 \u0916\u094b \u091c\u093e\u0924\u0940 \u0939\u0948, \u0924\u094b \u0906\u092a \u0918\u0902\u091f\u094b\u0902 \u0915\u0947 \u091f\u094d\u0930\u093e\u0902\u091c\u0947\u0915\u094d\u0936\u0928 \u0916\u094b \u0926\u0947\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n<p><code>archive_timeout = 600<\/code> (10 \u092e\u093f\u0928\u091f) \u0938\u0947\u091f \u0915\u0930\u0928\u0947 \u0938\u0947 PostgreSQL \u0915\u094b \u090f\u0915 \u0928\u0908 WAL \u092b\u093c\u093e\u0907\u0932 \u092a\u0930 \u0938\u094d\u0935\u093f\u091a \u0915\u0930\u0928\u0947 \u0914\u0930 \u0935\u0930\u094d\u0924\u092e\u093e\u0928 \u0915\u094b \u0906\u0930\u094d\u0915\u093e\u0907\u0935 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u092e\u091c\u092c\u0942\u0930 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948, \u092d\u0932\u0947 \u0939\u0940 \u0935\u0939 \u092a\u0942\u0930\u0940 \u0924\u0930\u0939 \u0928 \u092d\u0930\u0940 \u0939\u094b\u0964 \u092f\u0939 \u0917\u093e\u0930\u0902\u091f\u0940 \u0926\u0947\u0924\u093e \u0939\u0948 \u0915\u093f \u0906\u092a\u0915\u093e RPO 10 \u092e\u093f\u0928\u091f \u0938\u0947 \u0905\u0927\u093f\u0915 \u0928\u0939\u0940\u0902 \u0939\u094b\u0917\u093e, \u0906\u0902\u0936\u093f\u0915 \u0930\u0942\u092a \u0938\u0947 \u092d\u0930\u0940 \u0939\u0941\u0908 WAL \u092b\u093c\u093e\u0907\u0932\u094b\u0902 \u0915\u0947 \u0915\u093e\u0930\u0923 \u0925\u094b\u0921\u093c\u0947 \u0905\u0927\u093f\u0915 \u0938\u094d\u091f\u094b\u0930\u0947\u091c \u0909\u092a\u092f\u094b\u0917 \u0915\u0940 \u0915\u0940\u092e\u0924 \u092a\u0930\u0964<\/p>\n<h3>3. <code>archive_library<\/code> (PostgreSQL 15+) \u092a\u0930 \u091f\u094d\u0930\u093e\u0902\u091c\u093c\u093f\u0936\u0928 \u0915\u0930\u0947\u0902<\/h3>\n<p>\u0910\u0924\u093f\u0939\u093e\u0938\u093f\u0915 \u0930\u0942\u092a \u0938\u0947, <code>archive_command<\/code> \u092a\u094d\u0930\u0924\u094d\u092f\u0947\u0915 WAL \u092b\u093c\u093e\u0907\u0932 \u0915\u0947 \u0932\u093f\u090f \u090f\u0915 \u0928\u0908 \u0936\u0947\u0932 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e \u0909\u0924\u094d\u092a\u0928\u094d\u0928 \u0915\u0930\u0924\u093e \u0925\u093e\u0964 \u0909\u091a\u094d\u091a-\u0925\u094d\u0930\u0942\u092a\u0941\u091f \u0935\u093e\u0924\u093e\u0935\u0930\u0923 \u092e\u0947\u0902 \u091c\u094b \u092a\u094d\u0930\u0924\u093f \u092e\u093f\u0928\u091f \u0938\u0948\u0915\u0921\u093c\u094b\u0902 WAL \u092b\u093c\u093e\u0907\u0932\u0947\u0902 \u0909\u0924\u094d\u092a\u0928\u094d\u0928 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902, \u0936\u0947\u0932 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e\u0913\u0902 \u0915\u094b \u092b\u094b\u0930\u094d\u0915 \u0915\u0930\u0928\u0947 \u0915\u093e \u0913\u0935\u0930\u0939\u0947\u0921 \u090f\u0915 \u092a\u094d\u0930\u0926\u0930\u094d\u0936\u0928 \u092c\u093e\u0927\u093e \u092c\u0928 \u091c\u093e\u0924\u093e \u0939\u0948\u0964<\/p>\n<p>PostgreSQL 15 \u0928\u0947 <code>archive_library<\/code> \u092a\u0948\u0930\u093e\u092e\u0940\u091f\u0930 \u092a\u0947\u0936 \u0915\u093f\u092f\u093e, \u091c\u093f\u0938\u0938\u0947 WAL \u0906\u0930\u094d\u0915\u093e\u0907\u0935\u093f\u0902\u0917 \u0915\u094b \u0917\u0924\u093f\u0936\u0940\u0932 \u0930\u0942\u092a \u0938\u0947 \u0932\u094b\u0921 \u0915\u093f\u090f \u0917\u090f C \u092e\u0949\u0921\u094d\u092f\u0942\u0932 \u0926\u094d\u0935\u093e\u0930\u093e \u0938\u0902\u092d\u093e\u0932\u093e \u091c\u093e \u0938\u0915\u0924\u093e \u0939\u0948\u0964 \u092f\u0939 \u0936\u0947\u0932-\u092b\u094b\u0930\u094d\u0915\u093f\u0902\u0917 \u0913\u0935\u0930\u0939\u0947\u0921 \u0915\u094b \u0938\u092e\u093e\u092a\u094d\u0924 \u0915\u0930\u0924\u093e \u0939\u0948 \u0914\u0930 \u090f\u0915 \u0905\u0927\u093f\u0915 \u092e\u091c\u092c\u0942\u0924, \u0909\u091a\u094d\u091a-\u092a\u094d\u0930\u0926\u0930\u094d\u0936\u0928 \u0906\u0930\u094d\u0915\u093e\u0907\u0935\u093f\u0902\u0917 \u0924\u0902\u0924\u094d\u0930 \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0924\u093e \u0939\u0948\u0964 \u092f\u0926\u093f \u0906\u092a PostgreSQL 15 \u092f\u093e \u0909\u091a\u094d\u091a\u0924\u0930 \u092a\u0930 \u0939\u0948\u0902, \u0924\u094b \u0909\u0928 \u092c\u0948\u0915\u0905\u092a \u091f\u0942\u0932 \u0915\u0940 \u0924\u0932\u093e\u0936 \u0915\u0930\u0947\u0902 \u091c\u094b \u0915\u0938\u094d\u091f\u092e \u0906\u0930\u094d\u0915\u093e\u0907\u0935 \u092e\u0949\u0921\u094d\u092f\u0942\u0932 \u0915\u093e \u0938\u092e\u0930\u094d\u0925\u0928 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n<h3>4. \u0928\u093f\u092f\u092e\u093f\u0924 \u0930\u0942\u092a \u0938\u0947 \u092a\u0949\u0907\u0902\u091f-\u0907\u0928-\u091f\u093e\u0907\u092e \u0930\u093f\u0915\u0935\u0930\u0940 \u0915\u093e \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0915\u0930\u0947\u0902<\/h3>\n<p>\u090f\u0915 \u0905\u092a\u0930\u0940\u0915\u094d\u0937\u093f\u0924 \u092c\u0948\u0915\u0905\u092a \u092c\u0948\u0915\u0905\u092a \u0928\u0939\u0940\u0902 \u0939\u0948; \u092f\u0939 \u090f\u0915 \u0907\u091a\u094d\u091b\u093e \u0939\u0948\u0964 \u092f\u0939 \u0938\u0924\u094d\u092f\u093e\u092a\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u093e \u090f\u0915\u092e\u093e\u0924\u094d\u0930 \u0924\u0930\u0940\u0915\u093e \u0939\u0948 \u0915\u093f \u0906\u092a\u0915\u0940 WAL \u0906\u0930\u094d\u0915\u093e\u0907\u0935\u093f\u0902\u0917 \u0938\u0939\u0940 \u0922\u0902\u0917 \u0938\u0947 \u0915\u093e\u092e \u0915\u0930 \u0930\u0939\u0940 \u0939\u0948, \u0915\u093f \u0906\u092a\u0915\u0940 WAL \u0936\u094d\u0930\u0943\u0902\u0916\u0932\u093e \u0905\u091f\u0942\u091f \u0939\u0948, \u0914\u0930 \u0906\u092a\u0915\u0947 \u092c\u0947\u0938 \u092c\u0948\u0915\u0905\u092a \u0938\u0941\u0938\u0902\u0917\u0924 \u0939\u0948\u0902, \u0928\u093f\u092f\u092e\u093f\u0924, \u0938\u094d\u0935\u091a\u093e\u0932\u093f\u0924 PITR \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0915\u0930\u0928\u093e \u0939\u0948\u0964<\/p>\n<p>\u090f\u0915 \u0905\u0938\u094d\u0925\u093e\u092f\u0940 \u0907\u0902\u0938\u094d\u091f\u0947\u0902\u0938 \u0938\u094d\u092a\u093f\u0928 \u0905\u092a \u0915\u0930\u0947\u0902, \u092c\u0947\u0938 \u092c\u0948\u0915\u0905\u092a \u0915\u094b \u092a\u0941\u0928\u0930\u094d\u0938\u094d\u0925\u093e\u092a\u093f\u0924 \u0915\u0930\u0947\u0902, \u0905\u092a\u0928\u0947 \u0906\u0930\u094d\u0915\u093e\u0907\u0935 \u0938\u0947 \u0916\u0940\u0902\u091a\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f <code>restore_command<\/code> \u0915\u094b \u0915\u0949\u0928\u094d\u092b\u093c\u093f\u0917\u0930 \u0915\u0930\u0947\u0902, \u0914\u0930 \u090f\u0915 \u0935\u093f\u0936\u093f\u0937\u094d\u091f \u091f\u093e\u0907\u092e\u0938\u094d\u091f\u0948\u092e\u094d\u092a \u092a\u0930 \u0930\u093f\u0915\u0935\u0930 \u0915\u0930\u0947\u0902\u0964 \u0938\u0924\u094d\u092f\u093e\u092a\u093f\u0924 \u0915\u0930\u0947\u0902 \u0915\u093f \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u090f\u0915 \u0938\u0941\u0938\u0902\u0917\u0924 \u0938\u094d\u0925\u093f\u0924\u093f \u0924\u0915 \u092a\u0939\u0941\u0901\u091a\u0924\u093e \u0939\u0948 \u0914\u0930 \u0915\u0928\u0947\u0915\u094d\u0936\u0928 \u0915\u0947 \u0932\u093f\u090f \u0916\u0941\u0932\u0924\u093e \u0939\u0948\u0964<\/p>\n<h2>CloudSave \u0915\u0947 \u0938\u093e\u0925 \u090f\u0902\u091f\u0930\u092a\u094d\u0930\u093e\u0907\u091c\u093c \u092c\u0948\u0915\u0905\u092a \u0914\u0930 \u0930\u093f\u0915\u0935\u0930\u0940<\/h2>\n<p><code>archive_command<\/code> \u0915\u0947 \u0932\u093f\u090f \u0915\u0938\u094d\u091f\u092e \u0936\u0947\u0932 \u0938\u094d\u0915\u094d\u0930\u093f\u092a\u094d\u091f \u0915\u093e \u092a\u094d\u0930\u092c\u0902\u0927\u0928 \u0915\u0930\u0928\u093e, WAL \u0921\u093f\u0921\u0941\u092a\u094d\u0932\u0940\u0915\u0947\u0936\u0928 \u0915\u094b \u0938\u0902\u092d\u093e\u0932\u0928\u093e, \u0914\u0930 \u091f\u094d\u0930\u093e\u0902\u091c\u0947\u0915\u094d\u0936\u0928 \u0932\u0949\u0917 \u0915\u0947 \u0932\u093f\u090f \u0938\u0941\u0930\u0915\u094d\u0937\u093f\u0924, \u0911\u092b\u0938\u093e\u0907\u091f \u0938\u094d\u091f\u094b\u0930\u0947\u091c \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0928\u093e \u0906\u0908\u091f\u0940 \u091f\u0940\u092e\u094b\u0902 \u0915\u0947 \u0932\u093f\u090f \u091c\u0932\u094d\u0926\u0940 \u0939\u0940 \u090f\u0915 \u092a\u0930\u093f\u091a\u093e\u0932\u0928 \u092c\u094b\u091d \u092c\u0928 \u0938\u0915\u0924\u093e \u0939\u0948\u0964<\/p>\n<p>\u092f\u0939\u0940\u0902 \u092a\u0930 CloudSave \u090f\u0902\u091f\u0930\u092a\u094d\u0930\u093e\u0907\u091c\u093c PostgreSQL \u0935\u093e\u0924\u093e\u0935\u0930\u0923 \u0915\u0947 \u0932\u093f\u090f \u092e\u0939\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923 \u092e\u0942\u0932\u094d\u092f \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0924\u093e \u0939\u0948\u0964 CloudSave \u090a\u092a\u0930 \u091a\u0930\u094d\u091a\u093e \u0915\u0940 \u0917\u0908 \u092e\u0948\u0928\u094d\u092f\u0941\u0905\u0932 \u0916\u093e\u092e\u093f\u092f\u094b\u0902 \u0915\u094b \u0938\u092e\u093e\u092a\u094d\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0938\u0940\u0927\u0947 PostgreSQL \u0915\u0947 \u0928\u0947\u091f\u093f\u0935 \u092c\u0948\u0915\u0905\u092a \u0914\u0930 WAL \u0906\u0930\u094d\u0915\u093e\u0907\u0935\u093f\u0902\u0917 API \u0915\u0947 \u0938\u093e\u0925 \u090f\u0915\u0940\u0915\u0943\u0924 \u0939\u094b\u0924\u093e \u0939\u0948\u0964<\/p>\n<p>\u0928\u093e\u091c\u0941\u0915 \u092c\u0948\u0936 \u0938\u094d\u0915\u094d\u0930\u093f\u092a\u094d\u091f \u0932\u093f\u0916\u0928\u0947 \u0915\u0947 \u092c\u091c\u093e\u092f, CloudSave \u090f\u0915 \u092e\u091c\u092c\u0942\u0924, \u090f\u091c\u0947\u0902\u091f-\u0906\u0927\u093e\u0930\u093f\u0924 \u092f\u093e \u090f\u091c\u0947\u0902\u091f\u0932\u0947\u0938 \u090f\u0915\u0940\u0915\u0930\u0923 \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0924\u093e \u0939\u0948 \u091c\u094b:<br \/>\n* <strong>\u0921\u093f\u0932\u0940\u0935\u0930\u0940 \u0915\u0940 \u0917\u093e\u0930\u0902\u091f\u0940 \u0926\u0947\u0924\u093e \u0939\u0948:<\/strong> \u092e\u093e\u0928\u0915 \u0936\u0947\u0932 \u0915\u092e\u093e\u0902\u0921 \u0915\u094b \u0938\u0941\u0930\u0915\u094d\u0937\u093f\u0924 \u0911\u092b\u0938\u093e\u0907\u091f \u092f\u093e \u0915\u094d\u0932\u093e\u0909\u0921 \u0938\u094d\u091f\u094b\u0930\u0947\u091c \u092e\u0947\u0902 \u0938\u0924\u094d\u092f\u093e\u092a\u093f\u0924, \u091a\u0947\u0915\u0938\u092e-\u0935\u0948\u0932\u093f\u0921\u0947\u091f\u0947\u0921 \u091f\u094d\u0930\u093e\u0902\u0938\u092b\u0930 \u0915\u0947 \u0938\u093e\u0925 \u092c\u0926\u0932\u0924\u093e \u0939\u0948\u0964<br \/>\n* <strong>WAL \u092c\u094d\u0932\u094b\u091f \u0915\u094b \u0930\u094b\u0915\u0924\u093e \u0939\u0948:<\/strong> \u0938\u0915\u094d\u0930\u093f\u092f \u0930\u0942\u092a \u0938\u0947 <code>pg_wal<\/code> \u0928\u093f\u0930\u094d\u0926\u0947\u0936\u093f\u0915\u093e \u0915\u0940 \u0928\u093f\u0917\u0930\u093e\u0928\u0940 \u0915\u0930\u0924\u093e \u0939\u0948 \u0914\u0930 \u092a\u093e\u0930\u094d\u091f\u0940\u0936\u0928 \u0938\u092e\u093e\u092a\u094d\u0924 \u0939\u094b\u0928\u0947 \u0938\u0947 \u092c\u0939\u0941\u0924 \u092a\u0939\u0932\u0947 \u092a\u094d\u0930\u0936\u093e\u0938\u0915\u094b\u0902 \u0915\u094b \u0938\u091a\u0947\u0924 \u0915\u0930\u0924\u093e \u0939\u0948\u0964<br \/>\n* <strong>PITR \u0915\u094b \u0938\u094d\u0935\u091a\u093e\u0932\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948:<\/strong> \u090f\u0915 \u0938\u0939\u091c \u0907\u0902\u091f\u0930\u092b\u093c\u0947\u0938 \u0915\u0947 \u092e\u093e\u0927\u094d\u092f\u092e \u0938\u0947 \u092a\u0949\u0907\u0902\u091f-\u0907\u0928-\u091f\u093e\u0907\u092e \u0930\u093f\u0915\u0935\u0930\u0940 \u0915\u094b \u0938\u0930\u0932 \u092c\u0928\u093e\u0924\u093e \u0939\u0948\u0964 \u0906\u092a \u0909\u0938 \u0938\u091f\u0940\u0915 \u092e\u093f\u0928\u091f \u0915\u093e \u091a\u092f\u0928 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902 \u091c\u093f\u0938 \u092a\u0930 \u0906\u092a \u0930\u093f\u0915\u0935\u0930 \u0915\u0930\u0928\u093e \u091a\u093e\u0939\u0924\u0947 \u0939\u0948\u0902, \u0914\u0930 CloudSave \u0938\u094d\u0935\u091a\u093e\u0932\u093f\u0924 \u0930\u0942\u092a \u0938\u0947 \u0938\u0939\u0940 \u092c\u0947\u0938 \u092c\u0948\u0915\u0905\u092a \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0915\u0930\u0924\u093e \u0939\u0948 \u0914\u0930 \u0909\u0938 \u0938\u094d\u0925\u093f\u0924\u093f \u0924\u0915 \u092a\u0939\u0941\u0901\u091a\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0906\u0935\u0936\u094d\u092f\u0915 WAL \u092b\u093c\u093e\u0907\u0932\u094b\u0902 \u0915\u0947 \u0938\u091f\u0940\u0915 \u0905\u0928\u0941\u0915\u094d\u0930\u092e \u0915\u094b \u0938\u094d\u091f\u094d\u0930\u0940\u092e \u0915\u0930\u0924\u093e \u0939\u0948\u0964<br \/>\n* <strong>\u091f\u093e\u0907\u092e\u0932\u093e\u0907\u0928 \u0915\u094b \u0938\u0902\u092d\u093e\u0932\u0924\u093e \u0939\u0948:<\/strong> \u092c\u0941\u0926\u094d\u0927\u093f\u092e\u093e\u0928\u0940 \u0938\u0947 PostgreSQL \u091f\u093e\u0907\u092e\u0932\u093e\u0907\u0928 \u0907\u0924\u093f\u0939\u093e\u0938 \u0915\u093e \u092a\u094d\u0930\u092c\u0902\u0927\u0928 \u0915\u0930\u0924\u093e \u0939\u0948, \u092f\u0939 \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948 \u0915\u093f \u092b\u0947\u0932\u0913\u0935\u0930 \u0914\u0930 \u0938\u094d\u092a\u094d\u0932\u093f\u091f-\u092c\u094d\u0930\u0947\u0928 \u092a\u0930\u093f\u0926\u0943\u0936\u094d\u092f \u0906\u092a\u0915\u0947 \u092c\u0948\u0915\u0905\u092a \u0930\u093f\u092a\u0949\u091c\u093f\u091f\u0930\u0940 \u0915\u094b \u0926\u0942\u0937\u093f\u0924 \u0928 \u0915\u0930\u0947\u0902\u0964<\/p>\n<p>WAL \u092a\u094d\u0930\u092c\u0902\u0927\u0928 \u0915\u0947 \u092d\u093e\u0930\u0940 \u0915\u093e\u092e \u0915\u094b CloudSave \u092a\u0930 \u0911\u092b\u0932\u094b\u0921 \u0915\u0930\u0915\u0947, DBA \u0915\u094d\u0935\u0947\u0930\u0940 \u0911\u092a\u094d\u091f\u093f\u092e\u093e\u0907\u091c\u093c\u0947\u0936\u0928 \u0914\u0930 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u092a\u094d\u0930\u0926\u0930\u094d\u0936\u0928 \u092a\u0930 \u0927\u094d\u092f\u093e\u0928 \u0915\u0947\u0902\u0926\u094d\u0930\u093f\u0924 \u0915\u0930 \u0938\u0915\u0924\u0947 \u0939\u0948\u0902, \u092f\u0939 \u091c\u093e\u0928\u0924\u0947 \u0939\u0941\u090f \u0915\u093f \u0909\u0928\u0915\u0947 RPO \u0914\u0930 RTO SLA \u090f\u0915 \u090f\u0902\u091f\u0930\u092a\u094d\u0930\u093e\u0907\u091c\u093c-\u0917\u094d\u0930\u0947\u0921 \u092a\u094d\u0932\u0947\u091f\u092b\u093c\u0949\u0930\u094d\u092e \u0926\u094d\u0935\u093e\u0930\u093e \u0938\u0941\u0930\u0915\u094d\u0937\u093f\u0924 \u0939\u0948\u0902\u0964<\/p>\n<h2>\u0928\u093f\u0937\u094d\u0915\u0930\u094d\u0937<\/h2>\n<p>PostgreSQL WAL \u0906\u0930\u094d\u0915\u093e\u0907\u0935\u093f\u0902\u0917 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0921\u093f\u091c\u093e\u0938\u094d\u091f\u0930 \u0930\u093f\u0915\u0935\u0930\u0940 \u0915\u0940 \u0930\u0940\u0922\u093c \u0939\u0948\u0964 \u0939\u093e\u0932\u093e\u0901\u0915\u093f \u090f\u0915 \u0928\u093f\u0930\u094d\u0926\u0947\u0936\u093f\u0915\u093e \u0938\u0947 \u0926\u0942\u0938\u0930\u0940 \u0928\u093f\u0930\u094d\u0926\u0947\u0936\u093f\u0915\u093e \u092e\u0947\u0902 \u092b\u093c\u093e\u0907\u0932 \u0915\u0949\u092a\u0940 \u0915\u0930\u0928\u0947 \u0915\u0940 \u0905\u0935\u0927\u093e\u0930\u0923\u093e \u0938\u0930\u0932 \u0932\u0917\u0924\u0940 \u0939\u0948, \u0932\u0947\u0915\u093f\u0928 \u090f\u091c \u0915\u0947\u0938\u2014\u0938\u093e\u0907\u0932\u0947\u0902\u091f \u092b\u0947\u0932\u094d\u092f\u094b\u0930, \u0921\u093f\u0938\u094d\u0915 \u0915\u093e \u0938\u092e\u093e\u092a\u094d\u0924 \u0939\u094b\u0928\u093e, \u0914\u0930 \u091f\u093e\u0907\u092e\u0932\u093e\u0907\u0928 \u0935\u093f\u091a\u0932\u0928\u2014\u0921\u0947\u091f\u093e \u0905\u0916\u0902\u0921\u0924\u093e \u0915\u0947 \u0932\u093f\u090f \u0917\u0902\u092d\u0940\u0930 \u091c\u094b\u0916\u093f\u092e \u092a\u0948\u0926\u093e \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n<p><code>pg_wal<\/code> \u0915\u0947 \u0906\u0930\u094d\u0915\u093f\u091f\u0947\u0915\u094d\u091a\u0930 \u0915\u094b \u0938\u092e\u091d\u0915\u0930, \u0935\u093f\u0928\u093e\u0936\u0915\u093e\u0930\u0940 <code>archive_command<\/code> \u0915\u0949\u0928\u094d\u092b\u093c\u093f\u0917\u0930\u0947\u0936\u0928 \u0938\u0947 \u0938\u0916\u094d\u0924\u0940 \u0938\u0947 \u092c\u091a\u0915\u0930, <code>pg_stat_archiver<\/code> \u0915\u0940 \u0928\u093f\u0917\u0930\u093e\u0928\u0940 \u0915\u0930\u0915\u0947, \u0914\u0930 CloudSave \u091c\u0948\u0938\u0947 \u090f\u0902\u091f\u0930\u092a\u094d\u0930\u093e\u0907\u091c\u093c \u092c\u0948\u0915\u0905\u092a \u092a\u094d\u0932\u0947\u091f\u092b\u093c\u0949\u0930\u094d\u092e \u0915\u093e \u0932\u093e\u092d \u0909\u0920\u093e\u0915\u0930, \u0906\u092a \u090f\u0915 \u0932\u091a\u0940\u0932\u093e PostgreSQL \u0907\u0902\u092b\u094d\u0930\u093e\u0938\u094d\u091f\u094d\u0930\u0915\u094d\u091a\u0930 \u092c\u0928\u093e \u0938\u0915\u0924\u0947 \u0939\u0948\u0902 \u091c\u094b \u0939\u093e\u0930\u094d\u0921\u0935\u0947\u092f\u0930 \u0935\u093f\u092b\u0932\u0924\u093e\u0913\u0902, \u092e\u093e\u0928\u0935\u0940\u092f \u0924\u094d\u0930\u0941\u091f\u093f\u092f\u094b\u0902 \u0914\u0930 \u0935\u093f\u0928\u093e\u0936\u0915\u093e\u0930\u0940 \u0906\u0909\u091f\u0947\u091c \u0938\u0947 \u092c\u091a\u0928\u0947 \u092e\u0947\u0902 \u0938\u0915\u094d\u0937\u092e \u0939\u0948, \u092c\u093f\u0928\u093e \u090f\u0915 \u092d\u0940 \u0915\u092e\u093f\u091f\u0947\u0921 \u091f\u094d\u0930\u093e\u0902\u091c\u0947\u0915\u094d\u0936\u0928 \u0916\u094b\u090f\u0964<\/p>\n<blockquote>\n<p>PostgreSQL WAL \u0906\u0930\u094d\u0915\u093e\u0907\u0935\u093f\u0902\u0917 \u0915\u0940 \u0909\u0928 \u0938\u093e\u092e\u093e\u0928\u094d\u092f \u0916\u093e\u092e\u093f\u092f\u094b\u0902 \u0915\u0940 \u0916\u094b\u091c \u0915\u0930\u0947\u0902 \u091c\u094b \u0921\u0947\u091f\u093e \u0939\u093e\u0928\u093f \u0915\u093e \u0915\u093e\u0930\u0923 \u092c\u0928\u0924\u0940 \u0939\u0948\u0902\u0964 \u0935\u093f\u0936\u0947\u0937\u091c\u094d\u091e DBA \u0938\u0930\u094d\u0935\u094b\u0924\u094d\u0924\u092e \u092a\u094d\u0930\u0925\u093e\u0913\u0902, \u0915\u0949\u0928\u094d\u092b\u093c\u093f\u0917\u0930\u0947\u0936\u0928 \u092f\u0941\u0915\u094d\u0924\u093f\u092f\u094b\u0902, \u0914\u0930 \u090f\u0902\u091f\u0930\u092a\u094d\u0930\u093e\u0907\u091c\u093c \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0915\u0947 \u0932\u093f\u090f \u0935\u093f\u0936\u094d\u0935\u0938\u0928\u0940\u092f \u092a\u0949\u0907\u0902\u091f-\u0907\u0928-\u091f\u093e\u0907\u092e \u0930\u093f\u0915\u0935\u0930\u0940 (PITR) \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0924\u0930\u0940\u0915\u0947 \u0915\u0947 \u092c\u093e\u0930\u0947 \u092e\u0947\u0902 \u091c\u093e\u0928\u0947\u0902\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":[463],"tags":[464,962,467,468,469,470,3228],"class_list":["post-4522","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 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