{"id":5484,"date":"2026-06-15T14:01:13","date_gmt":"2026-06-15T14:01:13","guid":{"rendered":"https:\/\/cloudsave.app\/?p=5484"},"modified":"2026-06-15T15:56:07","modified_gmt":"2026-06-15T15:56:07","slug":"%e0%a4%b2-%e0%a4%a8-%e0%a4%a6-%e0%a4%a8-%e0%a4%a1-%e0%a4%9f-%e0%a4%ac-%e0%a4%b8-%e0%a4%95-%e0%a4%b2-%e0%a4%8f-vm-%e0%a4%b8-%e0%a4%a8-%e0%a4%aa%e0%a4%b6-%e0%a4%9f-%e0%a4%b8-%e0%a4%b0%e0%a4%95-%e0%a4%b7","status":"publish","type":"post","link":"https:\/\/cloudsave.app\/hi\/knowledge-base\/%e0%a4%b2-%e0%a4%a8-%e0%a4%a6-%e0%a4%a8-%e0%a4%a1-%e0%a4%9f-%e0%a4%ac-%e0%a4%b8-%e0%a4%95-%e0%a4%b2-%e0%a4%8f-vm-%e0%a4%b8-%e0%a4%a8-%e0%a4%aa%e0%a4%b6-%e0%a4%9f-%e0%a4%b8-%e0%a4%b0%e0%a4%95-%e0%a4%b7\/","title":{"rendered":"\u0932\u0947\u0928-\u0926\u0947\u0928 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0915\u0947 \u0932\u093f\u090f VM \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u0938\u0941\u0930\u0915\u094d\u0937\u093f\u0924 \u0915\u094d\u092f\u094b\u0902 \u0928\u0939\u0940\u0902 \u0939\u0948\u0902: \u0921\u0947\u091f\u093e \u0905\u0916\u0902\u0921\u0924\u093e \u0915\u0947 \u0932\u093f\u090f \u090f\u0915 DBA \u0917\u093e\u0907\u0921"},"content":{"rendered":"<p>DevOps \u0907\u0902\u091c\u0940\u0928\u093f\u092f\u0930\u094b\u0902 \u0914\u0930 \u0938\u093f\u0938\u094d\u091f\u092e \u092a\u094d\u0930\u0936\u093e\u0938\u0915\u094b\u0902 \u0915\u0947 \u0932\u093f\u090f, \u0935\u0930\u094d\u091a\u0941\u0905\u0932 \u092e\u0936\u0940\u0928 (VM) \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u090f\u0915 \u092e\u0942\u0932\u092d\u0942\u0924 \u0909\u092a\u0915\u0930\u0923 \u0939\u0948\u0902\u0964 \u0935\u0947 \u091c\u094b\u0916\u093f\u092e \u092d\u0930\u0947 \u092a\u0948\u091a, \u092c\u0921\u093c\u0947 \u0915\u0949\u0928\u094d\u092b\u093c\u093f\u0917\u0930\u0947\u0936\u0928 \u092a\u0930\u093f\u0935\u0930\u094d\u0924\u0928 \u092f\u093e \u090f\u092a\u094d\u0932\u093f\u0915\u0947\u0936\u0928 \u0921\u093f\u092a\u094d\u0932\u0949\u092f\u092e\u0947\u0902\u091f \u0938\u0947 \u092a\u0939\u0932\u0947 \u0938\u0930\u094d\u0935\u0930 \u0915\u0940 \u0938\u094d\u0925\u093f\u0924\u093f \u0915\u094b \u0915\u0948\u092a\u094d\u091a\u0930 \u0915\u0930\u0928\u0947 \u0915\u093e \u090f\u0915 \u0924\u0947\u091c\u093c \u0914\u0930 \u0938\u0941\u0935\u093f\u0927\u093e\u091c\u0928\u0915 \u0924\u0930\u0940\u0915\u093e \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964 \u092f\u0926\u093f \u0915\u0941\u091b \u0917\u0932\u0924 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948, \u0924\u094b \u0930\u094b\u0932\u092c\u0948\u0915 \u0915\u0930\u0928\u0947 \u092e\u0947\u0902 \u0915\u0941\u091b \u0939\u0940 \u0938\u0947\u0915\u0902\u0921 \u0932\u0917\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n<p>\u0939\u093e\u0932\u093e\u0901\u0915\u093f, \u091c\u092c \u092f\u0939\u0940 \u0915\u093e\u0930\u094d\u092f\u092a\u094d\u0930\u0923\u093e\u0932\u0940 \u091f\u094d\u0930\u093e\u0902\u0938\u0947\u0915\u094d\u0936\u0928\u0932 \u0921\u0947\u091f\u093e\u092c\u0947\u0938\u2014\u091c\u0948\u0938\u0947 PostgreSQL, MySQL, Oracle, \u092f\u093e Microsoft SQL Server\u2014\u092a\u0930 \u0932\u093e\u0917\u0942 \u0915\u0940 \u091c\u093e\u0924\u0940 \u0939\u0948, \u0924\u094b VM \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u090f\u0915 \u0938\u0941\u0930\u0915\u094d\u0937\u093e \u0915\u0935\u091a \u0938\u0947 \u092c\u0926\u0932\u0915\u0930 \u090f\u0915 \u091f\u093f\u0915-\u091f\u093f\u0915 \u0915\u0930\u0924\u0947 \u092c\u092e \u092e\u0947\u0902 \u092c\u0926\u0932 \u091c\u093e\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n<p>\u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u092c\u0948\u0915\u0905\u092a \u0915\u0947 \u0932\u093f\u090f \u092e\u093e\u0928\u0915 \u0939\u093e\u0907\u092a\u0930\u0935\u093e\u0907\u091c\u093c\u0930 \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u092a\u0930 \u0928\u093f\u0930\u094d\u092d\u0930 \u0930\u0939\u0928\u093e \u0921\u0947\u091f\u093e \u092d\u094d\u0930\u0937\u094d\u091f\u093e\u091a\u093e\u0930 (data corruption), \u091f\u094b\u0930\u0928 \u092a\u0947\u091c\u094b\u0902 (torn pages) \u0914\u0930 \u0905\u092a\u094d\u0930\u093e\u092a\u094d\u092f \u092a\u094d\u0930\u094b\u0921\u0915\u094d\u0936\u0928 \u0906\u0909\u091f\u0947\u091c \u0915\u0947 \u0938\u092c\u0938\u0947 \u0938\u093e\u092e\u093e\u0928\u094d\u092f \u0915\u093e\u0930\u0923\u094b\u0902 \u092e\u0947\u0902 \u0938\u0947 \u090f\u0915 \u0939\u0948\u0964 \u0907\u0938 \u0932\u0947\u0916 \u092e\u0947\u0902, \u0939\u092e \u0939\u093e\u0907\u092a\u0930\u0935\u093e\u0907\u091c\u093c\u0930 \u0914\u0930 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0907\u0902\u091c\u0928 \u0915\u0947 \u092c\u0940\u091a \u0935\u093e\u0938\u094d\u0924\u0941\u0936\u093f\u0932\u094d\u092a \u0938\u0902\u0918\u0930\u094d\u0937, \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u0915\u0947 \u0926\u094c\u0930\u093e\u0928 \u0921\u0947\u091f\u093e \u092d\u094d\u0930\u0937\u094d\u091f\u093e\u091a\u093e\u0930 \u0915\u0947 \u0924\u0902\u0924\u094d\u0930, \u0914\u0930 \u0935\u0930\u094d\u091a\u0941\u0905\u0932\u093e\u0907\u091c\u094d\u0921 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0915\u093e \u0938\u0941\u0930\u0915\u094d\u0937\u093f\u0924 \u0930\u0942\u092a \u0938\u0947 \u092c\u0948\u0915\u0905\u092a \u0932\u0947\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0906\u0935\u0936\u094d\u092f\u0915 \u0907\u0902\u091c\u0940\u0928\u093f\u092f\u0930\u093f\u0902\u0917 \u0938\u0930\u094d\u0935\u094b\u0924\u094d\u0924\u092e \u092a\u094d\u0930\u0925\u093e\u0913\u0902 \u0915\u093e \u092a\u0924\u093e \u0932\u0917\u093e\u090f\u0902\u0917\u0947\u0964<\/p>\n<h2>\u0935\u093e\u0938\u094d\u0924\u0941\u0915\u0932\u093e \u0938\u0902\u0918\u0930\u094d\u0937: \u0939\u093e\u0907\u092a\u0930\u0935\u093e\u0907\u091c\u093c\u0930 \u092c\u0928\u093e\u092e \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0907\u0902\u091c\u0928<\/h2>\n<p>\u092f\u0939 \u0938\u092e\u091d\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0915\u093f VM \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0915\u094b \u0916\u0924\u0930\u0947 \u092e\u0947\u0902 \u0915\u094d\u092f\u094b\u0902 \u0921\u093e\u0932\u0924\u0947 \u0939\u0948\u0902, \u0939\u092e\u0947\u0902 \u092a\u0939\u0932\u0947 \u092f\u0939 \u091c\u093e\u0902\u091a\u0928\u093e \u0939\u094b\u0917\u093e \u0915\u093f \u0926\u094b\u0928\u094b\u0902 \u0938\u093f\u0938\u094d\u091f\u092e \u0938\u094d\u0925\u093f\u0924\u093f \u0914\u0930 I\/O \u0938\u0902\u091a\u093e\u0932\u0928 \u0915\u093e \u092a\u094d\u0930\u092c\u0902\u0927\u0928 \u0915\u0948\u0938\u0947 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n<h3>\u0939\u093e\u0907\u092a\u0930\u0935\u093e\u0907\u091c\u093c\u0930 \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u0915\u0948\u0938\u0947 \u0928\u093f\u0937\u094d\u092a\u093e\u0926\u093f\u0924 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902<\/h3>\n<p>\u091c\u092c \u0915\u094b\u0908 \u0939\u093e\u0907\u092a\u0930\u0935\u093e\u0907\u091c\u093c\u0930 (\u091c\u0948\u0938\u0947 VMware ESXi, Microsoft Hyper-V, \u092f\u093e KVM) \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u0932\u0947\u0924\u093e \u0939\u0948, \u0924\u094b \u0935\u0939 \u0921\u093f\u0938\u094d\u0915 \u0915\u094b \u0915\u0949\u092a\u0940 \u0928\u0939\u0940\u0902 \u0915\u0930\u0924\u093e \u0939\u0948\u0964 \u0907\u0938\u0915\u0947 \u092c\u091c\u093e\u092f, \u092f\u0939 \u0935\u0930\u094d\u0924\u092e\u093e\u0928 \u0935\u0930\u094d\u091a\u0941\u0905\u0932 \u0921\u093f\u0938\u094d\u0915 \u092b\u093c\u093e\u0907\u0932 (\u091c\u0948\u0938\u0947 <code>.vmdk<\/code> \u092f\u093e <code>.vhdx<\/code>) \u0915\u094b \u0930\u0940\u0921-\u0913\u0928\u0932\u0940 \u0938\u094d\u0925\u093f\u0924\u093f \u092e\u0947\u0902 \u092b\u094d\u0930\u0940\u091c\u093c \u0915\u0930 \u0926\u0947\u0924\u093e \u0939\u0948 \u0914\u0930 \u090f\u0915 \u0928\u0908 \u0921\u0947\u0932\u094d\u091f\u093e \u0921\u093f\u0938\u094d\u0915 (\u0921\u093f\u092b\u0930\u0947\u0902\u0938\u093f\u0902\u0917 \u0921\u093f\u0938\u094d\u0915) \u092c\u0928\u093e\u0924\u093e \u0939\u0948\u0964 \u092c\u093e\u0926 \u0915\u0947 \u0938\u092d\u0940 \u0930\u093e\u0907\u091f\u094d\u0938 (writes) \u0907\u0938\u0940 \u0921\u0947\u0932\u094d\u091f\u093e \u0921\u093f\u0938\u094d\u0915 \u092a\u0930 \u0928\u093f\u0930\u094d\u0926\u0947\u0936\u093f\u0924 \u0939\u094b\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n<p>\u091c\u092c \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u0939\u091f\u093e \u0926\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948, \u0924\u094b \u0939\u093e\u0907\u092a\u0930\u0935\u093e\u0907\u091c\u093c\u0930 \u0915\u094b \u0921\u0947\u0932\u094d\u091f\u093e \u0921\u093f\u0938\u094d\u0915 \u0938\u0947 \u0921\u0947\u091f\u093e \u0915\u094b \u0935\u093e\u092a\u0938 \u092c\u0947\u0938 \u0921\u093f\u0938\u094d\u0915 \u092e\u0947\u0902 \u0915\u092e\u093f\u091f (\u090f\u0915\u0940\u0915\u0943\u0924) \u0915\u0930\u0928\u093e \u0939\u094b\u0924\u093e \u0939\u0948\u0964 \u092e\u093e\u0928\u0915 \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u0917\u0947\u0938\u094d\u091f \u0911\u092a\u0930\u0947\u091f\u093f\u0902\u0917 \u0938\u093f\u0938\u094d\u091f\u092e \u0915\u0947 \u0905\u0902\u0926\u0930 \u091a\u0932 \u0930\u0939\u0947 \u090f\u092a\u094d\u0932\u093f\u0915\u0947\u0936\u0928 \u0915\u0947 \u092c\u093e\u0930\u0947 \u092e\u0947\u0902 \u092a\u0942\u0930\u0940 \u0924\u0930\u0939 \u0938\u0947 \u0905\u0928\u091c\u093e\u0928 \u0939\u094b\u0924\u0947 \u0939\u0948\u0902\u0964 \u0935\u0947 \u0921\u093f\u0938\u094d\u0915 \u0915\u0940 \u0938\u094d\u0925\u093f\u0924\u093f \u0915\u094b \u092c\u093f\u0932\u094d\u0915\u0941\u0932 \u0935\u0948\u0938\u0947 \u0939\u0940 \u0915\u0948\u092a\u094d\u091a\u0930 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902 \u091c\u0948\u0938\u0947 \u0935\u0939 \u0909\u0938 \u092e\u093e\u0907\u0915\u094d\u0930\u094b\u0938\u0947\u0915\u0902\u0921 \u092e\u0947\u0902 \u092e\u094c\u091c\u0942\u0926 \u0939\u094b\u0924\u0940 \u0939\u0948\u0964<\/p>\n<h3>\u091f\u094d\u0930\u093e\u0902\u0938\u0947\u0915\u094d\u0936\u0928\u0932 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0938\u094d\u0925\u093f\u0924\u093f \u0915\u093e \u092a\u094d\u0930\u092c\u0902\u0927\u0928 \u0915\u0948\u0938\u0947 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902<\/h3>\n<p>\u091f\u094d\u0930\u093e\u0902\u0938\u0947\u0915\u094d\u0936\u0928\u0932 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 ACID \u0917\u0941\u0923\u094b\u0902 (Atomicity, Consistency, Isolation, Durability) \u0915\u0947 \u0906\u0927\u093e\u0930 \u092a\u0930 \u0921\u093f\u091c\u093c\u093e\u0907\u0928 \u0915\u093f\u090f \u0917\u090f \u0939\u0948\u0902\u0964 ACID \u0905\u0928\u0941\u092a\u093e\u0932\u0928 \u092c\u0928\u093e\u090f \u0930\u0916\u0924\u0947 \u0939\u0941\u090f \u0909\u091a\u094d\u091a \u092a\u094d\u0930\u0926\u0930\u094d\u0936\u0928 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f, \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0939\u0930 \u091f\u094d\u0930\u093e\u0902\u091c\u0947\u0915\u094d\u0936\u0928 \u0915\u094b \u0924\u0941\u0930\u0902\u0924 \u0921\u093f\u0938\u094d\u0915 \u092a\u0930 \u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u0921\u0947\u091f\u093e \u092b\u093c\u093e\u0907\u0932\u094b\u0902 \u092e\u0947\u0902 \u0928\u0939\u0940\u0902 \u0932\u093f\u0916\u0924\u0947 \u0939\u0948\u0902\u0964 \u0907\u0938\u0915\u0947 \u092c\u091c\u093e\u092f, \u0935\u0947 \u090f\u0915 \u091c\u091f\u093f\u0932, \u092c\u0939\u0941-\u0938\u094d\u0924\u0930\u0940\u092f \u0935\u093e\u0938\u094d\u0924\u0941\u0915\u0932\u093e \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902:<\/p>\n<ol>\n<li><strong>\u092c\u092b\u093c\u0930 \u092a\u0942\u0932 \/ \u0936\u0947\u092f\u0930\u094d\u0921 \u092c\u092b\u093c\u0930\u094d\u0938:<\/strong> \u0921\u0947\u091f\u093e \u0915\u094b \u0938\u093f\u0938\u094d\u091f\u092e \u092e\u0947\u092e\u094b\u0930\u0940 \u092e\u0947\u0902 \u092a\u0922\u093c\u093e \u0914\u0930 \u0938\u0902\u0936\u094b\u0927\u093f\u0924 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964<\/li>\n<li><strong>\u0930\u093e\u0907\u091f-\u0905\u0939\u0947\u0921 \u0932\u0949\u0917 (WAL) \/ \u0930\u0940\u0921\u094b \u0932\u0949\u0917\u094d\u0938:<\/strong> \u0938\u094d\u0925\u093e\u092f\u093f\u0924\u094d\u0935 \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u092a\u0930\u093f\u0935\u0930\u094d\u0924\u0928\u094b\u0902 \u0915\u094b \u0921\u093f\u0938\u094d\u0915 \u092a\u0930 \u090f\u0915 \u0905\u0924\u094d\u092f\u0927\u093f\u0915 \u0905\u0928\u0941\u0915\u0942\u0932\u093f\u0924 \u0932\u0949\u0917 \u092b\u093c\u093e\u0907\u0932 \u092e\u0947\u0902 \u0915\u094d\u0930\u092e\u093f\u0915 \u0930\u0942\u092a \u0938\u0947 \u0932\u093f\u0916\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964<\/li>\n<li><strong>\u091a\u0947\u0915\u092a\u0949\u0907\u0902\u091f\u094d\u0938 \/ \u0932\u0947\u091c\u093c\u0940 \u0930\u093e\u0907\u091f\u0930\u094d\u0938:<\/strong> \u0938\u092e\u092f-\u0938\u092e\u092f \u092a\u0930, \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u092e\u0947\u092e\u094b\u0930\u0940 \u0938\u0947 \u0938\u0902\u0936\u094b\u0927\u093f\u0924 (\u0921\u0930\u094d\u091f\u0940) \u092a\u0947\u091c\u094b\u0902 \u0915\u094b \u0921\u093f\u0938\u094d\u0915 \u092a\u0930 \u0935\u093e\u0938\u094d\u0924\u0935\u093f\u0915 \u0921\u0947\u091f\u093e \u092b\u093c\u093e\u0907\u0932\u094b\u0902 \u092e\u0947\u0902 \u092b\u094d\u0932\u0936 \u0915\u0930\u0924\u093e \u0939\u0948\u0964<\/li>\n<\/ol>\n<p>\u0907\u0938 \u0935\u093e\u0938\u094d\u0924\u0941\u0915\u0932\u093e \u0915\u0947 \u0915\u093e\u0930\u0923, \u0921\u093f\u0938\u094d\u0915 \u092a\u0930 \u092d\u094c\u0924\u093f\u0915 \u0921\u0947\u091f\u093e \u092b\u093c\u093e\u0907\u0932\u0947\u0902 \u0932\u0917\u092d\u0917 \u0939\u092e\u0947\u0936\u093e \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0915\u0940 \u0935\u093e\u0938\u094d\u0924\u0935\u093f\u0915 \u0938\u094d\u0925\u093f\u0924\u093f \u0915\u0947 \u0938\u093e\u0925 \u0938\u093f\u0902\u0915 \u0938\u0947 \u092c\u093e\u0939\u0930 \u0939\u094b\u0924\u0940 \u0939\u0948\u0902\u0964 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0915\u0940 \u0935\u093e\u0938\u094d\u0924\u0935\u093f\u0915 \u0938\u094d\u0925\u093f\u0924\u093f \u0915\u0947\u0935\u0932 \u0921\u093f\u0938\u094d\u0915 \u092a\u0930 \u092e\u094c\u091c\u0942\u0926 \u0921\u0947\u091f\u093e \u092b\u093c\u093e\u0907\u0932\u094b\u0902, WAL\/\u0930\u0940\u0921\u094b \u0932\u0949\u0917\u094d\u0938 \u0914\u0930 \u0935\u0930\u094d\u0924\u092e\u093e\u0928 \u092e\u0947\u0902 \u092e\u0947\u092e\u094b\u0930\u0940 \u092e\u0947\u0902 \u092e\u094c\u091c\u0942\u0926 \u0921\u0947\u091f\u093e \u0915\u0947 \u0938\u0902\u092f\u094b\u091c\u0928 \u0915\u0947 \u0930\u0942\u092a \u092e\u0947\u0902 \u092e\u094c\u091c\u0942\u0926 \u0939\u094b\u0924\u0940 \u0939\u0948\u0964<\/p>\n<h2>\u0916\u0924\u0930\u093e \u0915\u094d\u0937\u0947\u0924\u094d\u0930: VM \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u0915\u0947 \u0926\u094c\u0930\u093e\u0928 \u0915\u094d\u092f\u093e \u0939\u094b\u0924\u093e \u0939\u0948<\/h2>\n<p>\u091c\u092c \u0906\u092a \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0938\u0930\u094d\u0935\u0930 \u0915\u093e \u092e\u093e\u0928\u0915 VM \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u0932\u0947\u0924\u0947 \u0939\u0948\u0902, \u0924\u094b \u0906\u092a \u090f\u0915 <strong>\u0915\u094d\u0930\u0948\u0936-\u0915\u0902\u0938\u093f\u0938\u094d\u091f\u0947\u0902\u091f<\/strong> \u0938\u094d\u0925\u093f\u0924\u093f \u0915\u0948\u092a\u094d\u091a\u0930 \u0915\u0930 \u0930\u0939\u0947 \u0939\u094b\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n<h3>\u0915\u094d\u0930\u0948\u0936 \u0915\u0902\u0938\u093f\u0938\u094d\u091f\u0947\u0902\u0938\u0940 \u092c\u0928\u093e\u092e \u090f\u092a\u094d\u0932\u093f\u0915\u0947\u0936\u0928 \u0915\u0902\u0938\u093f\u0938\u094d\u091f\u0947\u0902\u0938\u0940<\/h3>\n<p>\u0915\u094d\u0930\u0948\u0936-\u0915\u0902\u0938\u093f\u0938\u094d\u091f\u0947\u0902\u091f \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u092d\u094c\u0924\u093f\u0915 \u0938\u0930\u094d\u0935\u0930 \u0938\u0947 \u092a\u093e\u0935\u0930 \u0915\u0949\u0930\u094d\u0921 \u0916\u0940\u0902\u091a\u0928\u0947 \u0915\u0947 \u092c\u0930\u093e\u092c\u0930 \u0939\u0948\u0964 \u0921\u093f\u0938\u094d\u0915 \u0915\u0940 \u0938\u094d\u0925\u093f\u0924\u093f \u0915\u0948\u092a\u094d\u091a\u0930 \u0939\u094b \u091c\u093e\u0924\u0940 \u0939\u0948, \u0932\u0947\u0915\u093f\u0928 \u092e\u0947\u092e\u094b\u0930\u0940 \u092e\u0947\u0902 \u091c\u094b \u0915\u0941\u091b \u092d\u0940 \u0925\u093e \u0935\u0939 \u0916\u094b \u091c\u093e\u0924\u093e \u0939\u0948, \u0914\u0930 \u091c\u094b \u0915\u0941\u091b \u092d\u0940 \u0938\u094d\u091f\u094b\u0930\u0947\u091c \u0915\u0902\u091f\u094d\u0930\u094b\u0932\u0930 \u0915\u0947 \u0932\u093f\u090f \u092c\u0940\u091a \u092e\u0947\u0902 \u0925\u093e, \u0935\u0939 \u0905\u091a\u093e\u0928\u0915 \u0915\u091f \u091c\u093e\u0924\u093e \u0939\u0948\u0964<\/p>\n<p>\u0939\u093e\u0932\u093e\u0901\u0915\u093f \u0906\u0927\u0941\u0928\u093f\u0915 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0915\u094b \u0930\u093e\u0907\u091f-\u0905\u0939\u0947\u0921 \u0932\u0949\u0917 \u0915\u094b \u0930\u093f\u092a\u094d\u0932\u0947 \u0915\u0930\u0915\u0947 \u0905\u092a\u094d\u0930\u0924\u094d\u092f\u093e\u0936\u093f\u0924 \u092c\u093f\u091c\u0932\u0940 \u0939\u093e\u0928\u093f \u0938\u0947 \u0909\u092c\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0921\u093f\u091c\u093c\u093e\u0907\u0928 \u0915\u093f\u092f\u093e \u0917\u092f\u093e \u0939\u0948, \u0932\u0947\u0915\u093f\u0928 \u0905\u092a\u0928\u0940 \u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u092c\u0948\u0915\u0905\u092a \u0930\u0923\u0928\u0940\u0924\u093f \u0915\u0947 \u0930\u0942\u092a \u092e\u0947\u0902 \u0915\u094d\u0930\u0948\u0936 \u0930\u093f\u0915\u0935\u0930\u0940 \u092a\u0930 \u092d\u0930\u094b\u0938\u093e \u0915\u0930\u0928\u093e \u092c\u0947\u0939\u0926 \u0916\u0924\u0930\u0928\u093e\u0915 \u0939\u0948\u0964 \u092f\u0926\u093f \u0906\u092a\u0915\u093e \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0915\u0908 \u0935\u0930\u094d\u091a\u0941\u0905\u0932 \u0921\u093f\u0938\u094d\u0915 (\u091c\u0948\u0938\u0947 <code>Drive D:<\/code> \u092a\u0930 \u0921\u0947\u091f\u093e \u092b\u093c\u093e\u0907\u0932\u0947\u0902 \u0914\u0930 <code>Drive E:<\/code> \u092a\u0930 WAL) \u092e\u0947\u0902 \u092b\u0948\u0932\u093e \u0939\u0941\u0906 \u0939\u0948, \u0924\u094b \u0939\u093e\u0907\u092a\u0930\u0935\u093e\u0907\u091c\u093c\u0930 \u0926\u094b\u0928\u094b\u0902 \u0921\u093f\u0938\u094d\u0915 \u0915\u094b \u092c\u093f\u0932\u094d\u0915\u0941\u0932 \u090f\u0915 \u0939\u0940 \u092e\u093e\u0907\u0915\u094d\u0930\u094b\u0938\u0947\u0915\u0902\u0921 \u092e\u0947\u0902 \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u0928\u0939\u0940\u0902 \u0915\u0930 \u0938\u0915\u0924\u093e \u0939\u0948\u0964 \u092f\u0926\u093f WAL \u0921\u093f\u0938\u094d\u0915 \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u0921\u0947\u091f\u093e \u0921\u093f\u0938\u094d\u0915 \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u0915\u0947 \u090f\u0915 \u0938\u0947\u0915\u0902\u0921 \u0915\u0947 \u0905\u0902\u0936 \u0915\u0947 \u092c\u093e\u0926 \u092d\u0940 \u0915\u0948\u092a\u094d\u091a\u0930 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948, \u0924\u094b \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u092a\u0941\u0928\u0930\u094d\u0938\u094d\u0925\u093e\u092a\u0928\u093e \u092a\u0930 \u0905\u0928\u0941\u0915\u094d\u0930\u092e \u0938\u0902\u0916\u094d\u092f\u093e\u0913\u0902 (sequence numbers) \u0915\u093e \u092e\u093f\u0932\u093e\u0928 \u0928\u0939\u0940\u0902 \u0915\u0930 \u0938\u0915\u0924\u093e \u0939\u0948, \u091c\u093f\u0938\u0915\u0947 \u092a\u0930\u093f\u0923\u093e\u092e\u0938\u094d\u0935\u0930\u0942\u092a \u0918\u093e\u0924\u0915 \u092d\u094d\u0930\u0937\u094d\u091f\u093e\u091a\u093e\u0930 \u0939\u094b\u0924\u093e \u0939\u0948\u0964<\/p>\n<h3>\u0909\u091a\u094d\u091a-\u091f\u094d\u0930\u093e\u0902\u091c\u0947\u0915\u094d\u0936\u0928 \u0938\u093f\u0938\u094d\u091f\u092e \u092a\u0930 &#8220;VM \u0938\u094d\u091f\u0928&#8221; \u092a\u094d\u0930\u092d\u093e\u0935<\/h3>\n<p>\u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u0928\u093f\u0930\u094d\u092e\u093e\u0923 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e\u2014\u0914\u0930 \u0907\u0938\u0938\u0947 \u092d\u0940 \u092e\u0939\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923 \u092c\u093e\u0924, \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u0938\u092e\u0947\u0915\u0928 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e\u2014\u090f\u0915 \u0910\u0938\u0940 \u0918\u091f\u0928\u093e \u0915\u093e \u0915\u093e\u0930\u0923 \u092c\u0928\u0924\u0940 \u0939\u0948 \u091c\u093f\u0938\u0947 &#8220;VM \u0938\u094d\u091f\u0928&#8221; \u0915\u0947 \u0930\u0942\u092a \u092e\u0947\u0902 \u091c\u093e\u0928\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964<\/p>\n<p>I\/O \u0915\u094b \u092c\u0947\u0938 \u0921\u093f\u0938\u094d\u0915 \u0938\u0947 \u0921\u0947\u0932\u094d\u091f\u093e \u0921\u093f\u0938\u094d\u0915 \u092a\u0930 \u0938\u0941\u0930\u0915\u094d\u0937\u093f\u0924 \u0930\u0942\u092a \u0938\u0947 \u0938\u094d\u0935\u093f\u091a \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f, \u0939\u093e\u0907\u092a\u0930\u0935\u093e\u0907\u091c\u093c\u0930 \u0915\u094b \u0935\u0930\u094d\u091a\u0941\u0905\u0932 \u092e\u0936\u0940\u0928 \u0915\u094b \u0938\u0902\u0915\u094d\u0937\u0947\u092a \u092e\u0947\u0902 \u0930\u094b\u0915\u0928\u093e (stun) \u092a\u0921\u093c\u0924\u093e \u0939\u0948\u0964 \u0939\u0932\u094d\u0915\u0947 \u0932\u094b\u0921 \u0935\u093e\u0932\u0947 \u0935\u0947\u092c \u0938\u0930\u094d\u0935\u0930 \u0915\u0947 \u0932\u093f\u090f, \u092f\u0939 \u0938\u094d\u091f\u0928 10-50 \u092e\u093f\u0932\u0940\u0938\u0947\u0915\u0902\u0921 \u0924\u0915 \u0930\u0939 \u0938\u0915\u0924\u093e \u0939\u0948 \u0914\u0930 \u0915\u093f\u0938\u0940 \u0915\u093e \u0927\u094d\u092f\u093e\u0928 \u0928\u0939\u0940\u0902 \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u0939\u093e\u0932\u093e\u0901\u0915\u093f, \u092d\u093e\u0930\u0940 I\/O \u0935\u093e\u0932\u0947 \u0909\u091a\u094d\u091a-\u0925\u094d\u0930\u0942\u092a\u0941\u091f \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0915\u0947 \u0932\u093f\u090f, \u090f\u0915 \u092c\u0921\u093c\u0940 \u0921\u0947\u0932\u094d\u091f\u093e \u0921\u093f\u0938\u094d\u0915 \u0915\u094b \u0938\u092e\u0947\u0915\u093f\u0924 \u0915\u0930\u0928\u0947 \u0938\u0947 VM \u0915\u0908 \u0938\u0947\u0915\u0902\u0921 \u0915\u0947 \u0932\u093f\u090f \u0938\u094d\u091f\u0928 \u0939\u094b \u0938\u0915\u0924\u093e \u0939\u0948\u0964<\/p>\n<p>VM \u0938\u094d\u091f\u0928 \u0915\u0947 \u0926\u094c\u0930\u093e\u0928:<br \/>\n* \u0928\u0947\u091f\u0935\u0930\u094d\u0915 \u0915\u0928\u0947\u0915\u094d\u0936\u0928 \u0917\u093f\u0930 \u091c\u093e\u0924\u0947 \u0939\u0948\u0902, \u091c\u093f\u0938\u0938\u0947 \u090f\u092a\u094d\u0932\u093f\u0915\u0947\u0936\u0928 \u091f\u093e\u0907\u092e\u0906\u0909\u091f \u0939\u094b \u091c\u093e\u0924\u0947 \u0939\u0948\u0902\u0964<br \/>\n* \u0909\u091a\u094d\u091a-\u0909\u092a\u0932\u092c\u094d\u0927\u0924\u093e \u0915\u094d\u0932\u0938\u094d\u091f\u0930 (\u091c\u0948\u0938\u0947 SQL Server Always On, PostgreSQL Patroni, \u092f\u093e MySQL Galera) \u0939\u093e\u0930\u094d\u091f\u092c\u0940\u091f \u091a\u0947\u0915 \u092e\u093f\u0938 \u0915\u0930 \u0926\u0947\u0924\u0947 \u0939\u0948\u0902\u0964<br \/>\n* \u0915\u094d\u0932\u0938\u094d\u091f\u0930 \u092f\u0939 \u092e\u093e\u0928 \u0938\u0915\u0924\u093e \u0939\u0948 \u0915\u093f \u0938\u094d\u091f\u0928 \u0939\u0941\u0906 \u0928\u094b\u0921 \u092e\u0943\u0924 \u0939\u0948, \u091c\u093f\u0938\u0938\u0947 \u0905\u0928\u093e\u0935\u0936\u094d\u092f\u0915 \u0914\u0930 \u0935\u093f\u0918\u091f\u0928\u0915\u093e\u0930\u0940 \u092b\u0947\u0932\u0913\u0935\u0930 (\u0938\u094d\u092a\u094d\u0932\u093f\u091f-\u092c\u094d\u0930\u0947\u0928 \u092a\u0930\u093f\u0926\u0943\u0936\u094d\u092f) \u0936\u0941\u0930\u0942 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948\u0964<\/p>\n<h3>\u091f\u094b\u0930\u0928 \u092a\u0947\u091c \u0914\u0930 I\/O \u092e\u093f\u0938\u0905\u0932\u093e\u0907\u0928\u092e\u0947\u0902\u091f<\/h3>\n<p>\u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0907\u0902\u091c\u0928 \u0906\u092e\u0924\u094c\u0930 \u092a\u0930 \u0935\u093f\u0936\u093f\u0937\u094d\u091f \u092a\u0947\u091c \u0906\u0915\u093e\u0930\u094b\u0902 (\u091c\u0948\u0938\u0947 PostgreSQL \u0914\u0930 SQL Server \u0915\u0947 \u0932\u093f\u090f 8KB, InnoDB \u0915\u0947 \u0932\u093f\u090f 16KB) \u092e\u0947\u0902 \u0921\u0947\u091f\u093e \u0932\u093f\u0916\u0924\u0947 \u0939\u0948\u0902\u0964 \u0939\u093e\u0932\u093e\u0901\u0915\u093f, \u0905\u0902\u0924\u0930\u094d\u0928\u093f\u0939\u093f\u0924 \u0911\u092a\u0930\u0947\u091f\u093f\u0902\u0917 \u0938\u093f\u0938\u094d\u091f\u092e \u0914\u0930 \u0938\u094d\u091f\u094b\u0930\u0947\u091c \u0910\u0930\u0947 \u091b\u094b\u091f\u0947 \u092c\u094d\u0932\u0949\u0915\u094b\u0902 (\u091c\u0948\u0938\u0947 4KB \u092f\u093e 512 \u092c\u093e\u0907\u091f\u094d\u0938) \u092e\u0947\u0902 I\/O \u0915\u094b \u0938\u0902\u0938\u093e\u0927\u093f\u0924 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n<p>\u092f\u0926\u093f \u0915\u094b\u0908 \u0939\u093e\u0907\u092a\u0930\u0935\u093e\u0907\u091c\u093c\u0930 \u0920\u0940\u0915 \u0909\u0938\u0940 \u0938\u092e\u092f \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u0932\u0947\u0924\u093e \u0939\u0948 \u091c\u092c \u0921\u0947\u091f\u093e\u092c\u0947\u0938 8KB \u092a\u0947\u091c \u0932\u093f\u0916 \u0930\u0939\u093e \u0939\u094b\u0924\u093e \u0939\u0948, \u0924\u094b \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u0928\u090f \u0921\u0947\u091f\u093e \u0915\u0947 \u092a\u0939\u0932\u0947 4KB \u0914\u0930 \u092a\u0941\u0930\u093e\u0928\u0947 \u0921\u0947\u091f\u093e \u0915\u0947 \u0905\u0902\u0924\u093f\u092e 4KB \u0915\u094b \u0915\u0948\u092a\u094d\u091a\u0930 \u0915\u0930 \u0938\u0915\u0924\u093e \u0939\u0948\u0964 \u092f\u0939 \u090f\u0915 <strong>\u091f\u094b\u0930\u0928 \u092a\u0947\u091c<\/strong> \u092c\u0928\u093e\u0924\u093e \u0939\u0948\u0964 \u091c\u092c \u0906\u092a \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u0915\u094b \u092a\u0941\u0928\u0930\u094d\u0938\u094d\u0925\u093e\u092a\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u093e \u092a\u094d\u0930\u092f\u093e\u0938 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902, \u0924\u094b \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u092a\u0947\u091c \u0915\u094b \u092a\u0922\u093c\u0947\u0917\u093e, \u091a\u0947\u0915\u0938\u092e \u0938\u0924\u094d\u092f\u093e\u092a\u0928 \u092e\u0947\u0902 \u0935\u093f\u092b\u0932 \u0939\u094b \u091c\u093e\u090f\u0917\u093e, \u0914\u0930 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0915\u094b \u0926\u0942\u0937\u093f\u0924 \u0915\u0947 \u0930\u0942\u092a \u092e\u0947\u0902 \u091a\u093f\u0939\u094d\u0928\u093f\u0924 \u0915\u0930\u0947\u0917\u093e\u0964<\/p>\n<h2>\u0935\u093f\u0936\u093f\u0937\u094d\u091f \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0907\u0902\u091c\u0928\u094b\u0902 \u0915\u0947 \u0932\u093f\u090f \u0935\u093e\u0938\u094d\u0924\u0935\u093f\u0915 \u0926\u0941\u0928\u093f\u092f\u093e \u0915\u0947 \u092a\u0930\u093f\u0923\u093e\u092e<\/h2>\n<p>\u0935\u093f\u092d\u093f\u0928\u094d\u0928 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0907\u0902\u091c\u0928 \u0915\u094d\u0930\u0948\u0936-\u0915\u0902\u0938\u093f\u0938\u094d\u091f\u0947\u0902\u091f \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u092a\u0930 \u0905\u0932\u0917-\u0905\u0932\u0917 \u0924\u0930\u0940\u0915\u094b\u0902 \u0938\u0947 \u092a\u094d\u0930\u0924\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0930\u0924\u0947 \u0939\u0948\u0902, \u0932\u0947\u0915\u093f\u0928 \u0909\u0928\u092e\u0947\u0902 \u0938\u0947 \u0915\u094b\u0908 \u092d\u0940 \u092a\u094d\u0930\u094b\u0921\u0915\u094d\u0936\u0928 \u0935\u093e\u0924\u093e\u0935\u0930\u0923 \u092e\u0947\u0902 \u0907\u0938\u0947 \u0936\u093e\u0932\u0940\u0928\u0924\u093e \u0938\u0947 \u0928\u0939\u0940\u0902 \u0938\u0902\u092d\u093e\u0932\u0924\u093e \u0939\u0948\u0964<\/p>\n<ul>\n<li><strong>PostgreSQL:<\/strong> PostgreSQL \u0915\u093e\u092b\u0940 \u0939\u0926 \u0924\u0915 <code>pg_wal<\/code> \u0928\u093f\u0930\u094d\u0926\u0947\u0936\u093f\u0915\u093e \u092a\u0930 \u0928\u093f\u0930\u094d\u092d\u0930 \u0915\u0930\u0924\u093e \u0939\u0948\u0964 \u092f\u0926\u093f \u0915\u094b\u0908 \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u0921\u0947\u091f\u093e \u0928\u093f\u0930\u094d\u0926\u0947\u0936\u093f\u0915\u093e (<code>$PGDATA<\/code>) \u0914\u0930 WAL \u0915\u094b \u0938\u093f\u0902\u0915 \u0938\u0947 \u092c\u093e\u0939\u0930 \u0915\u0948\u092a\u094d\u091a\u0930 \u0915\u0930\u0924\u093e \u0939\u0948, \u0924\u094b PostgreSQL \u0936\u0941\u0930\u0942 \u0939\u094b\u0928\u0947 \u092e\u0947\u0902 \u0935\u093f\u092b\u0932 \u0939\u094b \u091c\u093e\u090f\u0917\u093e, \u0914\u0930 <code>PANIC: could not locate a valid checkpoint record<\/code> \u0924\u094d\u0930\u0941\u091f\u093f \u0926\u0947\u0917\u093e\u0964<\/li>\n<li><strong>MySQL\/InnoDB:<\/strong> InnoDB \u091f\u094b\u0930\u0928 \u092a\u0947\u091c\u094b\u0902 \u0915\u094b \u0930\u094b\u0915\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0921\u092c\u0932\u0930\u093e\u0907\u091f \u092c\u092b\u093c\u0930 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0924\u093e \u0939\u0948, \u091c\u094b \u0915\u094d\u0930\u0948\u0936-\u0915\u0902\u0938\u093f\u0938\u094d\u091f\u0947\u0902\u091f \u0938\u094d\u0925\u093f\u0924\u093f\u092f\u094b\u0902 \u0915\u0947 \u0916\u093f\u0932\u093e\u092b \u0915\u0941\u091b \u0938\u0941\u0930\u0915\u094d\u0937\u093e \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0924\u093e \u0939\u0948\u0964 \u0939\u093e\u0932\u093e\u0901\u0915\u093f, \u092f\u0926\u093f <code>ibdata1<\/code> \u092b\u093c\u093e\u0907\u0932 \u0914\u0930 <code>ib_logfile<\/code> \u0938\u093f\u0902\u0915 \u0938\u0947 \u092c\u093e\u0939\u0930 \u0915\u0948\u092a\u094d\u091a\u0930 \u0915\u093f\u090f \u091c\u093e\u0924\u0947 \u0939\u0948\u0902, \u0924\u094b \u0930\u093f\u0915\u0935\u0930\u0940 \u092a\u0930 InnoDB \u0907\u0902\u091c\u0928 \u0915\u094d\u0930\u0948\u0936 \u0939\u094b \u091c\u093e\u090f\u0917\u093e\u0964<\/li>\n<li><strong>Microsoft SQL Server:<\/strong> SQL Server I\/O \u092b\u094d\u0930\u0940\u091c\u093f\u0902\u0917 \u0915\u0947 \u092a\u094d\u0930\u0924\u093f \u0905\u0924\u094d\u092f\u0927\u093f\u0915 \u0938\u0902\u0935\u0947\u0926\u0928\u0936\u0940\u0932 \u0939\u0948\u0964 \u0909\u091a\u093f\u0924 VSS (\u0935\u0949\u0932\u094d\u092f\u0942\u092e \u0936\u0948\u0921\u094b \u0915\u0949\u092a\u0940 \u0938\u0930\u094d\u0935\u093f\u0938) \u090f\u0915\u0940\u0915\u0930\u0923 \u0915\u0947 \u092c\u093f\u0928\u093e, \u092e\u093e\u0928\u0915 VM \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u0938\u0947 SQL Server \u0915\u094b \u092a\u0941\u0928\u0930\u094d\u0938\u094d\u0925\u093e\u092a\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u092a\u0930\u093f\u0923\u093e\u092e\u0938\u094d\u0935\u0930\u0942\u092a \u0905\u0915\u094d\u0938\u0930 \u0938\u0902\u0926\u093f\u0917\u094d\u0927 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0914\u0930 \u091f\u0942\u091f\u0940 \u0939\u0941\u0908 \u0932\u0949\u0917 \u091a\u0947\u0928 \u0939\u094b\u0924\u0940 \u0939\u0948\u0902, \u091c\u094b \u0906\u092a\u0915\u0940 \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\u094b \u0928\u0937\u094d\u091f \u0915\u0930 \u0926\u0947\u0924\u0940 \u0939\u0948\u0902\u0964<\/li>\n<\/ul>\n<h2>\u0935\u0930\u094d\u091a\u0941\u0905\u0932\u093e\u0907\u091c\u094d\u0921 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0915\u093e \u0938\u0941\u0930\u0915\u094d\u0937\u093f\u0924 \u0930\u0942\u092a \u0938\u0947 \u092c\u0948\u0915\u0905\u092a \u0932\u0947\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0938\u0930\u094d\u0935\u094b\u0924\u094d\u0924\u092e \u0905\u092d\u094d\u092f\u093e\u0938<\/h2>\n<p>\u091f\u094d\u0930\u093e\u0902\u0938\u0947\u0915\u094d\u0936\u0928\u0932 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0915\u0940 \u0938\u0941\u0930\u0915\u094d\u0937\u093e \u0915\u0947 \u0932\u093f\u090f, \u0906\u092a\u0915\u094b \u0915\u094d\u0930\u0948\u0936-\u0915\u0902\u0938\u093f\u0938\u094d\u091f\u0947\u0902\u091f \u092c\u0948\u0915\u0905\u092a \u0938\u0947 <strong>\u090f\u092a\u094d\u0932\u093f\u0915\u0947\u0936\u0928-\u0915\u0902\u0938\u093f\u0938\u094d\u091f\u0947\u0902\u091f<\/strong> \u092c\u0948\u0915\u0905\u092a \u0915\u0940 \u0913\u0930 \u092c\u0922\u093c\u0928\u093e \u0939\u094b\u0917\u093e\u0964 \u0907\u0938\u0915\u0947 \u0932\u093f\u090f \u092c\u0948\u0915\u0905\u092a \u0924\u0902\u0924\u094d\u0930 \u0915\u094b \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0907\u0902\u091c\u0928 \u0915\u0947 \u0938\u093e\u0925 \u0938\u0902\u0935\u093e\u0926 \u0915\u0930\u0928\u0947 \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0939\u094b\u0924\u0940 \u0939\u0948, \u091c\u093f\u0938\u0938\u0947 \u0909\u0938\u0947 \u092e\u0947\u092e\u094b\u0930\u0940 \u0915\u094b \u0921\u093f\u0938\u094d\u0915 \u092a\u0930 \u092b\u094d\u0932\u0936 \u0915\u0930\u0928\u0947 \u0914\u0930 \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u0932\u0947\u0924\u0947 \u0938\u092e\u092f I\/O \u0938\u0902\u091a\u093e\u0932\u0928 \u0915\u094b \u0905\u0938\u094d\u0925\u093e\u092f\u0940 \u0930\u0942\u092a \u0938\u0947 \u0930\u094b\u0915\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u092e\u091c\u092c\u0942\u0930 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964<\/p>\n<h3>1. \u090f\u092a\u094d\u0932\u093f\u0915\u0947\u0936\u0928-\u0905\u0935\u0947\u092f\u0930 \u0915\u094d\u0935\u093f\u091c\u093c\u093f\u0902\u0917 (VSS \u0914\u0930 fsfreeze) \u0915\u093e \u0932\u093e\u092d \u0909\u0920\u093e\u090f\u0902<\/h3>\n<p><strong>Windows (SQL Server) \u0915\u0947 \u0932\u093f\u090f:<\/strong><br \/>\n\u0939\u092e\u0947\u0936\u093e \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0947\u0902 \u0915\u093f \u0906\u092a\u0915\u093e \u092c\u0948\u0915\u0905\u092a \u0938\u092e\u093e\u0927\u093e\u0928 Microsoft \u0935\u0949\u0932\u094d\u092f\u0942\u092e \u0936\u0948\u0921\u094b \u0915\u0949\u092a\u0940 \u0938\u0930\u094d\u0935\u093f\u0938 (VSS) \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0924\u093e \u0939\u0948\u0964 \u091c\u092c VSS-\u0905\u0935\u0947\u092f\u0930 \u092c\u0948\u0915\u0905\u092a \u091f\u094d\u0930\u093f\u0917\u0930 \u0939\u094b\u0924\u093e \u0939\u0948, \u0924\u094b SQL Server VSS \u0930\u093e\u0907\u091f\u0930 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 I\/O \u0915\u094b \u092b\u094d\u0930\u0940\u091c\u093c \u0915\u0930 \u0926\u0947\u0924\u093e \u0939\u0948, \u0932\u0902\u092c\u093f\u0924 \u091f\u094d\u0930\u093e\u0902\u091c\u0947\u0915\u094d\u0936\u0928 \u0915\u094b \u0921\u093f\u0938\u094d\u0915 \u092a\u0930 \u092b\u094d\u0932\u0936 \u0915\u0930 \u0926\u0947\u0924\u093e \u0939\u0948, \u0914\u0930 \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948 \u0915\u093f \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u092a\u0942\u0930\u0940 \u0924\u0930\u0939 \u0938\u0947 \u090f\u092a\u094d\u0932\u093f\u0915\u0947\u0936\u0928-\u0915\u0902\u0938\u093f\u0938\u094d\u091f\u0947\u0902\u091f \u0939\u0948\u0964<\/p>\n<p><strong>Linux (PostgreSQL \/ MySQL) \u0915\u0947 \u0932\u093f\u090f:<\/strong><br \/>\nLinux \u092e\u0947\u0902 VSS \u0915\u0947 \u092c\u0930\u093e\u092c\u0930 \u0915\u094b\u0908 \u0928\u0947\u091f\u093f\u0935 \u0938\u0941\u0935\u093f\u0927\u093e \u0928\u0939\u0940\u0902 \u0939\u0948\u0964 \u090f\u092a\u094d\u0932\u093f\u0915\u0947\u0936\u0928 \u0915\u0902\u0938\u093f\u0938\u094d\u091f\u0947\u0902\u0938\u0940 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f, \u0906\u092a\u0915\u094b \u0939\u093e\u0907\u092a\u0930\u0935\u093e\u0907\u091c\u093c\u0930 \u0915\u0947 \u0917\u0947\u0938\u094d\u091f \u091f\u0942\u0932\u094d\u0938 (\u091c\u0948\u0938\u0947 VMware Tools) \u0915\u0947 \u0938\u093e\u0925 \u0938\u0902\u092f\u094b\u091c\u0928 \u092e\u0947\u0902 \u092a\u094d\u0930\u0940-\u092b\u094d\u0930\u0940\u091c\u093c \u0914\u0930 \u092a\u094b\u0938\u094d\u091f-\u0925\u0949 \u0938\u094d\u0915\u094d\u0930\u093f\u092a\u094d\u091f \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0928\u093e \u0939\u094b\u0917\u093e\u0964<\/p>\n<p>\u092f\u0939\u093e\u0901 PostgreSQL 15+ \u0915\u0947 \u0932\u093f\u090f \u090f\u0915 VMware <code>pre-freeze-script<\/code> \u0915\u093e \u0909\u0926\u093e\u0939\u0930\u0923 \u0926\u093f\u092f\u093e \u0917\u092f\u093e \u0939\u0948 \u091c\u094b \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u0915\u0947 \u0932\u093f\u090f \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0915\u094b \u0938\u0941\u0930\u0915\u094d\u0937\u093f\u0924 \u0930\u0942\u092a \u0938\u0947 \u0924\u0948\u092f\u093e\u0930 \u0915\u0930\u0924\u093e \u0939\u0948:<\/p>\n<pre><code class=\"language-bash\">#!\/bin\/bash\n# \/usr\/sbin\/pre-freeze-script\n# \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0947\u0902 \u0915\u093f \u092f\u0939 \u0938\u094d\u0915\u094d\u0930\u093f\u092a\u094d\u091f \u0928\u093f\u0937\u094d\u092a\u093e\u0926\u0928 \u092f\u094b\u0917\u094d\u092f \u0939\u0948 (chmod +x)\n\n# 1. PostgreSQL \u0915\u094b \u092c\u0948\u0915\u0905\u092a \u0915\u0947 \u0932\u093f\u090f \u0924\u0948\u092f\u093e\u0930 \u0939\u094b\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0915\u0939\u0947\u0902\nsu - postgres -c \"psql -c \"SELECT pg_backup_start('vm_snapshot', true);\"\"\n\n# 2. \u092b\u093c\u093e\u0907\u0932 \u0938\u093f\u0938\u094d\u091f\u092e \u092c\u092b\u093c\u0930\u094d\u0938 \u0915\u094b \u0921\u093f\u0938\u094d\u0915 \u092a\u0930 \u092b\u094d\u0932\u0936 \u0915\u0930\u0947\u0902\nsync\n\n# 3. \u092b\u093c\u093e\u0907\u0932 \u0938\u093f\u0938\u094d\u091f\u092e \u0915\u094b \u092b\u094d\u0930\u0940\u091c\u093c \u0915\u0930\u0947\u0902 (\u092f\u0939 \u092e\u093e\u0928\u0924\u0947 \u0939\u0941\u090f \u0915\u093f \u0921\u0947\u091f\u093e \/var\/lib\/pgsql \u092a\u0930 \u0939\u0948)\nfsfreeze -f \/var\/lib\/pgsql\n<\/code><\/pre>\n<p>\u0914\u0930 \u0938\u0902\u091a\u093e\u0932\u0928 \u0915\u094b \u092b\u093f\u0930 \u0938\u0947 \u0936\u0941\u0930\u0942 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0938\u0902\u092c\u0902\u0927\u093f\u0924 <code>post-thaw-script<\/code>:<\/p>\n<pre><code class=\"language-bash\">#!\/bin\/bash\n# \/usr\/sbin\/post-thaw-script\n\n# 1. \u092b\u093c\u093e\u0907\u0932 \u0938\u093f\u0938\u094d\u091f\u092e \u0915\u094b \u0905\u0928\u092b\u094d\u0930\u0940\u091c\u093c \u0915\u0930\u0947\u0902\nfsfreeze -u \/var\/lib\/pgsql\n\n# 2. PostgreSQL \u0915\u094b \u092c\u0924\u093e\u090f\u0902 \u0915\u093f \u092c\u0948\u0915\u0905\u092a \u092a\u0942\u0930\u093e \u0939\u094b \u0917\u092f\u093e \u0939\u0948\nsu - postgres -c \"psql -c \"SELECT pg_backup_stop();\"\"\n<\/code><\/pre>\n<h3>2. \u0928\u0947\u091f\u093f\u0935 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u092c\u0948\u0915\u0905\u092a \u0909\u092a\u092f\u094b\u0917\u093f\u0924\u093e\u0913\u0902 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0947\u0902<\/h3>\n<p>\u0939\u093e\u0932\u093e\u0901\u0915\u093f \u090f\u092a\u094d\u0932\u093f\u0915\u0947\u0936\u0928-\u0915\u0902\u0938\u093f\u0938\u094d\u091f\u0947\u0902\u091f \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u092e\u093e\u0928\u0915 \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u0938\u0947 \u092c\u0947\u0939\u0924\u0930 \u0939\u0948\u0902, \u092b\u093f\u0930 \u092d\u0940 \u0909\u0928\u092e\u0947\u0902 VM \u0938\u094d\u091f\u0928 \u0915\u093e \u091c\u094b\u0916\u093f\u092e \u0939\u094b\u0924\u093e \u0939\u0948\u0964 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u092c\u0948\u0915\u0905\u092a \u0915\u0947 \u0932\u093f\u090f \u0938\u092c\u0938\u0947 \u0938\u0941\u0930\u0915\u094d\u0937\u093f\u0924 \u0926\u0943\u0937\u094d\u091f\u093f\u0915\u094b\u0923 \u0928\u0947\u091f\u093f\u0935, \u0938\u094d\u091f\u094d\u0930\u0940\u092e\u093f\u0902\u0917 \u092c\u0948\u0915\u0905\u092a \u0909\u092a\u092f\u094b\u0917\u093f\u0924\u093e\u0913\u0902 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0928\u093e \u0939\u0948 \u091c\u094b \u0939\u093e\u0907\u092a\u0930\u0935\u093e\u0907\u091c\u093c\u0930 \u0938\u0947 \u0938\u094d\u0935\u0924\u0902\u0924\u094d\u0930 \u0930\u0942\u092a \u0938\u0947 \u0915\u093e\u092e \u0915\u0930\u0924\u0940 \u0939\u0948\u0902\u0964<\/p>\n<p><strong>PostgreSQL (pg_basebackup):<\/strong><\/p>\n<pre><code class=\"language-bash\">pg_basebackup -h localhost -U replication_user -D \/mnt\/backups\/pg_backup -Ft -z -P\n<\/code><\/pre>\n<p><strong>MySQL\/MariaDB (Percona XtraBackup \/ Mariabackup):<\/strong><br \/>\n\u092f\u0947 \u0909\u092a\u0915\u0930\u0923 \u0921\u0947\u091f\u093e \u092b\u093c\u093e\u0907\u0932\u094b\u0902 \u0915\u094b \u0915\u0949\u092a\u0940 \u0915\u0930\u0915\u0947 \u0914\u0930 \u0938\u093e\u0925 \u0939\u0940 \u0930\u0940\u0921\u094b \u0932\u0949\u0917 \u092e\u0947\u0902 \u092a\u0930\u093f\u0935\u0930\u094d\u0924\u0928\u094b\u0902 \u0915\u094b \u091f\u094d\u0930\u0948\u0915 \u0915\u0930\u0915\u0947 \u0939\u0949\u091f, \u0928\u0949\u0928-\u092c\u094d\u0932\u0949\u0915\u093f\u0902\u0917 \u092c\u0948\u0915\u0905\u092a \u0932\u0947\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n<pre><code class=\"language-bash\">mariabackup --backup --target-dir=\/mnt\/backups\/mysql_backup --user=root --password=SecurePass\n<\/code><\/pre>\n<p><strong>SQL Server (T-SQL):<\/strong><\/p>\n<pre><code class=\"language-sql\">BACKUP DATABASE [ProductionDB] \nTO DISK = N'Z:BackupsProductionDB.bak' \nWITH NOFORMAT, NOINIT, NAME = N'ProductionDB-Full Backup', \nSKIP, NOREWIND, NOUNLOAD, COMPRESSION, STATS = 10;\nGO\n<\/code><\/pre>\n<h3>3. \u0932\u0949\u0917 \u0906\u0930\u094d\u0915\u093e\u0907\u0935\u093f\u0902\u0917 \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 (PITR) \u0932\u093e\u0917\u0942 \u0915\u0930\u0947\u0902<\/h3>\n<p>\u0926\u0948\u0928\u093f\u0915 \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u092f\u093e \u092a\u0942\u0930\u094d\u0923 \u092c\u0948\u0915\u0905\u092a \u0915\u0947\u0935\u0932 \u0909\u0938 \u092e\u093f\u0928\u091f \u0924\u0915 \u0906\u092a\u0915\u0940 \u0938\u0941\u0930\u0915\u094d\u0937\u093e \u0915\u0930\u0924\u093e \u0939\u0948 \u091c\u092c \u0935\u0939 \u0932\u093f\u092f\u093e \u0917\u092f\u093e \u0925\u093e\u0964 \u092f\u0926\u093f \u0906\u092a\u0915\u093e \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0936\u093e\u092e 4:00 \u092c\u091c\u0947 \u0915\u094d\u0930\u0948\u0936 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948 \u0914\u0930 \u0906\u092a\u0915\u093e \u0905\u0902\u0924\u093f\u092e \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u0938\u0941\u092c\u0939 2:00 \u092c\u091c\u0947 \u0925\u093e, \u0924\u094b \u0906\u092a 14 \u0918\u0902\u091f\u0947 \u0915\u093e \u091f\u094d\u0930\u093e\u0902\u0938\u0947\u0915\u094d\u0936\u0928\u0932 \u0921\u0947\u091f\u093e \u0916\u094b \u0926\u0947\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n<p>\u0938\u091a\u094d\u091a\u0940 \u0909\u0926\u094d\u092f\u092e \u0932\u091a\u0940\u0932\u093e\u092a\u0928 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f, \u0906\u092a\u0915\u094b \u092a\u0942\u0930\u094d\u0923 \u090f\u092a\u094d\u0932\u093f\u0915\u0947\u0936\u0928-\u0915\u0902\u0938\u093f\u0938\u094d\u091f\u0947\u0902\u091f \u092c\u0948\u0915\u0905\u092a \u0915\u094b \u0928\u093f\u0930\u0902\u0924\u0930 \u0932\u0949\u0917 \u0906\u0930\u094d\u0915\u093e\u0907\u0935\u093f\u0902\u0917 (\u0939\u0930 \u0915\u0941\u091b \u092e\u093f\u0928\u091f\u094b\u0902 \u092e\u0947\u0902 WAL, \u0930\u0940\u0921\u094b \u0932\u0949\u0917\u094d\u0938 \u092f\u093e \u091f\u094d\u0930\u093e\u0902\u091c\u0947\u0915\u094d\u0936\u0928 \u0932\u0949\u0917\u094d\u0938 \u0915\u093e \u092c\u0948\u0915\u0905\u092a \u0932\u0947\u0928\u093e) \u0915\u0947 \u0938\u093e\u0925 \u091c\u094b\u0921\u093c\u0928\u093e \u0939\u094b\u0917\u093e\u0964 \u092f\u0939 DBA \u0915\u094b \u0906\u092a\u0926\u093e \u0938\u0947 \u092a\u0939\u0932\u0947 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0915\u094b \u090f\u0915 \u0935\u093f\u0936\u093f\u0937\u094d\u091f \u092e\u093f\u0928\u091f \u092f\u093e \u0915\u093f\u0938\u0940 \u0935\u093f\u0936\u093f\u0937\u094d\u091f \u091f\u094d\u0930\u093e\u0902\u091c\u0947\u0915\u094d\u0936\u0928 \u0906\u0908\u0921\u0940 \u092a\u0930 \u092a\u0941\u0928\u0930\u094d\u0938\u094d\u0925\u093e\u092a\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0940 \u0905\u0928\u0941\u092e\u0924\u093f \u0926\u0947\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 \u0930\u0923\u0928\u0940\u0924\u093f\u092f\u093e\u0901<\/h2>\n<p>\u0926\u0930\u094d\u091c\u0928\u094b\u0902 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0938\u0930\u094d\u0935\u0930\u094b\u0902 \u092e\u0947\u0902 \u0915\u0938\u094d\u091f\u092e \u092a\u094d\u0930\u0940-\u092b\u094d\u0930\u0940\u091c\u093c \u0938\u094d\u0915\u094d\u0930\u093f\u092a\u094d\u091f, \u0928\u0947\u091f\u093f\u0935 \u0921\u0902\u092a \u0915\u0947 \u0932\u093f\u090f \u0915\u094d\u0930\u0949\u0928 \u091c\u0949\u092c\u094d\u0938 \u0914\u0930 \u0932\u0949\u0917 \u0936\u093f\u092a\u093f\u0902\u0917 \u0915\u093e \u092a\u094d\u0930\u092c\u0902\u0927\u0928 \u0915\u0930\u0928\u093e DevOps \u091f\u0940\u092e\u094b\u0902 \u0915\u0947 \u0932\u093f\u090f \u090f\u0915 \u092a\u0930\u093f\u091a\u093e\u0932\u0928 \u0926\u0941\u0903\u0938\u094d\u0935\u092a\u094d\u0928 \u0939\u0948\u0964 \u092f\u0939\u0940\u0902 \u092a\u0930 CloudSave \u091c\u0948\u0938\u093e \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 \u092e\u0939\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948\u0964<\/p>\n<p>CloudSave \u0935\u0930\u094d\u091a\u0941\u0905\u0932\u093e\u0907\u091c\u0947\u0936\u0928 \u0914\u0930 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0935\u093e\u0938\u094d\u0924\u0941\u0915\u0932\u093e \u0915\u0947 \u092c\u0940\u091a \u0915\u0940 \u0916\u093e\u0908 \u0915\u094b \u092a\u093e\u091f\u0924\u093e \u0939\u0948\u0964 \u0905\u0902\u0927\u0947 \u0939\u093e\u0907\u092a\u0930\u0935\u093e\u0907\u091c\u093c\u0930 \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u092a\u0930 \u092d\u0930\u094b\u0938\u093e \u0915\u0930\u0928\u0947 \u0915\u0947 \u092c\u091c\u093e\u092f, CloudSave \u090f\u092a\u094d\u0932\u093f\u0915\u0947\u0936\u0928-\u0905\u0935\u0947\u092f\u0930 \u090f\u091c\u0947\u0902\u091f\u094b\u0902 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0924\u093e \u0939\u0948 \u091c\u094b SQL Server, PostgreSQL, MySQL \u0914\u0930 Oracle \u0915\u0947 \u0938\u093e\u0925 \u0928\u0947\u091f\u093f\u0935 \u0930\u0942\u092a \u0938\u0947 \u090f\u0915\u0940\u0915\u0943\u0924 \u0939\u094b\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n<p>\u091c\u092c CloudSave \u092c\u0948\u0915\u0905\u092a \u0936\u0941\u0930\u0942 \u0915\u0930\u0924\u093e \u0939\u0948:<br \/>\n1. \u092f\u0939 \u0928\u0947\u091f\u093f\u0935 API (\u091c\u0948\u0938\u0947 Windows \u0915\u0947 \u0932\u093f\u090f VSS \u092f\u093e Linux \u0915\u0947 \u0932\u093f\u090f \u0928\u0947\u091f\u093f\u0935 WAL \u0938\u094d\u091f\u094d\u0930\u0940\u092e\u093f\u0902\u0917) \u0915\u0947 \u092e\u093e\u0927\u094d\u092f\u092e \u0938\u0947 \u0938\u0940\u0927\u0947 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0907\u0902\u091c\u0928 \u0915\u0947 \u0938\u093e\u0925 \u0938\u0902\u091a\u093e\u0930 \u0915\u0930\u0924\u093e \u0939\u0948\u0964<br \/>\n2. \u092f\u0939 \u0935\u093f\u0918\u091f\u0928\u0915\u093e\u0930\u0940 VM \u0938\u094d\u091f\u0928 \u092a\u0948\u0926\u093e \u0915\u093f\u090f \u092c\u093f\u0928\u093e \u092e\u0947\u092e\u094b\u0930\u0940 \u092c\u092b\u093c\u0930\u094d\u0938 \u0915\u094b \u0921\u093f\u0938\u094d\u0915 \u092a\u0930 \u092b\u094d\u0932\u0936 \u0915\u0930\u0928\u0947 \u0915\u093e \u0938\u092e\u0928\u094d\u0935\u092f \u0915\u0930\u0924\u093e \u0939\u0948\u0964<br \/>\n3. \u092f\u0939 \u0938\u0941\u0930\u0915\u094d\u0937\u093f\u0924 \u0930\u0942\u092a \u0938\u0947 \u0921\u0947\u091f\u093e \u092b\u093c\u093e\u0907\u0932\u094b\u0902 \u0915\u094b \u0915\u0948\u092a\u094d\u091a\u0930 \u0915\u0930\u0924\u093e \u0939\u0948 \u0914\u0930 \u0938\u094d\u0935\u091a\u093e\u0932\u093f\u0924 \u0930\u0942\u092a \u0938\u0947 \u091f\u094d\u0930\u093e\u0902\u091c\u0947\u0915\u094d\u0936\u0928 \u0932\u0949\u0917 \u091f\u094d\u0930\u0902\u0915\u0947\u0936\u0928 \u0915\u093e \u092a\u094d\u0930\u092c\u0902\u0927\u0928 \u0915\u0930\u0924\u093e \u0939\u0948\u0964<br \/>\n4. \u092f\u0939 \u0932\u0917\u093e\u0924\u093e\u0930 \u091f\u094d\u0930\u093e\u0902\u091c\u0947\u0915\u094d\u0936\u0928 \u0932\u0949\u0917 \u0915\u093e \u092c\u0948\u0915\u0905\u092a \u0932\u0947\u0924\u093e \u0939\u0948, \u091c\u093f\u0938\u0938\u0947 \u0915\u0941\u091b \u0939\u0940 \u0915\u094d\u0932\u093f\u0915 \u0915\u0947 \u0938\u093e\u0925 \u0926\u093e\u0928\u0947\u0926\u093e\u0930 \u092a\u0949\u0907\u0902\u091f-\u0907\u0928-\u091f\u093e\u0907\u092e \u0930\u093f\u0915\u0935\u0930\u0940 (PITR) \u0938\u0915\u094d\u0937\u092e \u0939\u094b \u091c\u093e\u0924\u0940 \u0939\u0948\u0964<\/p>\n<p>\u090f\u092a\u094d\u0932\u093f\u0915\u0947\u0936\u0928 \u0915\u0902\u0938\u093f\u0938\u094d\u091f\u0947\u0902\u0938\u0940 \u0915\u0940 \u091c\u091f\u093f\u0932\u0924\u093e \u0915\u094b CloudSave \u092a\u0930 \u0911\u092b\u0932\u094b\u0921 \u0915\u0930\u0915\u0947, DBA \u0914\u0930 sysadmins \u0905\u092a\u0928\u0947 \u092a\u094d\u0930\u094b\u0921\u0915\u094d\u0936\u0928 \u0915\u094d\u0932\u0938\u094d\u091f\u0930 \u0915\u0947 \u092a\u094d\u0930\u0926\u0930\u094d\u0936\u0928 \u092f\u093e \u0909\u092a\u0932\u092c\u094d\u0927\u0924\u093e \u0915\u093e \u0924\u094d\u092f\u093e\u0917 \u0915\u093f\u090f \u092c\u093f\u0928\u093e \u0921\u0947\u091f\u093e \u0905\u0916\u0902\u0921\u0924\u093e \u0915\u0940 \u0917\u093e\u0930\u0902\u091f\u0940 \u0926\u0947 \u0938\u0915\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n<h2>\u0928\u093f\u0937\u094d\u0915\u0930\u094d\u0937<\/h2>\n<p>\u0935\u0930\u094d\u091a\u0941\u0905\u0932 \u092e\u0936\u0940\u0928 \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u0907\u0902\u092b\u094d\u0930\u093e\u0938\u094d\u091f\u094d\u0930\u0915\u094d\u091a\u0930 \u092a\u094d\u0930\u092c\u0902\u0927\u0928 \u0915\u0947 \u0932\u093f\u090f \u090f\u0915 \u0905\u0935\u093f\u0936\u094d\u0935\u0938\u0928\u0940\u092f \u0909\u092a\u0915\u0930\u0923 \u0939\u0948\u0902, \u0932\u0947\u0915\u093f\u0928 \u0935\u0947 \u092e\u094c\u0932\u093f\u0915 \u0930\u0942\u092a \u0938\u0947 \u091f\u094d\u0930\u093e\u0902\u0938\u0947\u0915\u094d\u0936\u0928\u0932 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0915\u0940 ACID \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e\u0913\u0902 \u0915\u0947 \u0938\u093e\u0925 \u0905\u0938\u0902\u0917\u0924 \u0939\u0948\u0902\u0964 \u0915\u094d\u0930\u0948\u0936-\u0915\u0902\u0938\u093f\u0938\u094d\u091f\u0947\u0902\u091f \u0939\u093e\u0907\u092a\u0930\u0935\u093e\u0907\u091c\u093c\u0930 \u0938\u094d\u0928\u0948\u092a\u0936\u0949\u091f \u092a\u0930 \u092d\u0930\u094b\u0938\u093e \u0915\u0930\u0928\u093e \u0906\u092a\u0915\u0947 \u0938\u0902\u0917\u0920\u0928 \u0915\u094b \u091f\u094b\u0930\u0928 \u092a\u0947\u091c\u094b\u0902, \u091f\u0942\u091f\u0940 \u0939\u0941\u0908 \u092a\u094d\u0930\u0924\u093f\u0915\u0943\u0924\u093f \u0936\u094d\u0930\u0943\u0902\u0916\u0932\u093e\u0913\u0902 \u0914\u0930 \u0935\u093f\u0928\u093e\u0936\u0915\u093e\u0930\u0940 \u0921\u0947\u091f\u093e \u0939\u093e\u0928\u093f \u0915\u0947 \u091c\u094b\u0916\u093f\u092e \u092e\u0947\u0902 \u0921\u093e\u0932\u0924\u093e \u0939\u0948\u0964<\/p>\n<p>\u0905\u092a\u0928\u0947 \u092e\u093f\u0936\u0928-\u092e\u0939\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923 \u0921\u0947\u091f\u093e \u0915\u0940 \u0938\u0941\u0930\u0915\u094d\u0937\u093e \u0915\u0947 \u0932\u093f\u090f, \u0906\u092a\u0915\u094b \u090f\u092a\u094d\u0932\u093f\u0915\u0947\u0936\u0928-\u0905\u0935\u0947\u092f\u0930 \u0915\u094d\u0935\u093f\u091c\u093c\u093f\u0902\u0917 \u0932\u093e\u0917\u0942 \u0915\u0930\u0928\u0940 \u0939\u094b\u0917\u0940, \u0928\u0947\u091f\u093f\u0935 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u092c\u0948\u0915\u0905\u092a \u0915\u093e\u0930\u094d\u092f\u092a\u094d\u0930\u0923\u093e\u0932\u0940 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0928\u093e \u0939\u094b\u0917\u093e, \u0914\u0930 \u0928\u093f\u0930\u0902\u0924\u0930 \u091f\u094d\u0930\u093e\u0902\u091c\u0947\u0915\u094d\u0936\u0928 \u0932\u0949\u0917 \u0906\u0930\u094d\u0915\u093e\u0907\u0935 \u092c\u0928\u093e\u090f \u0930\u0916\u0928\u093e \u0939\u094b\u0917\u093e\u0964 \u0909\u0926\u094d\u0926\u0947\u0936\u094d\u092f-\u0928\u093f\u0930\u094d\u092e\u093f\u0924 \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\u094b \u0905\u092a\u0928\u093e\u0915\u0930, \u0906\u092a \u092f\u0939 \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930 \u0938\u0915\u0924\u0947 \u0939\u0948\u0902 \u0915\u093f \u0906\u092a\u0915\u0947 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0905\u0924\u094d\u092f\u0927\u093f\u0915 \u0909\u092a\u0932\u092c\u094d\u0927, \u092a\u0942\u0930\u0940 \u0924\u0930\u0939 \u0938\u0947 \u092a\u0941\u0928\u0930\u094d\u092a\u094d\u0930\u093e\u092a\u094d\u0924\u093f \u092f\u094b\u0917\u094d\u092f \u0914\u0930 \u092a\u0942\u0930\u0940 \u0924\u0930\u0939 \u0938\u0947 \u0938\u0941\u0930\u0915\u094d\u0937\u093f\u0924 \u0930\u0939\u0947\u0902\u0964<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&gt; Discover why standard VM snapshots cause data corruption in transactional databases like PostgreSQL and SQL Server. Learn DBA best practices for application-consistent backups, avoiding VM stun, and ensuring data integrity with CloudSave.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rank_math_title":"Why VM Snapshots Are Unsafe for Transactional Databases","rank_math_description":"> Discover why standard VM snapshots cause data corruption in transactional databases like PostgreSQL and SQL Server. Learn DBA best practices for application-consistent backups, avoiding VM stun, and ensuring data integrity with CloudSave.","rank_math_focus_keyword":"VM snapshots transactional databases","footnotes":""},"categories":[463],"tags":[3364,3668,3669,3670,3671,3672,3673],"class_list":["post-5484","post","type-post","status-publish","format-standard","hentry","category-database-backup","tag-data-integrity","tag-database-corruption","tag-database-recovery","tag-dba-guide","tag-hypervisor-snapshots","tag-transactional-databases","tag-vm-snapshots"],"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>Why VM Snapshots Are Unsafe for Transactional Databases<\/title>\n<meta name=\"description\" content=\"&gt; Discover why standard VM snapshots cause data corruption in transactional databases like PostgreSQL and SQL Server. 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