{"id":71055,"date":"2024-10-15T14:38:48","date_gmt":"2024-10-15T06:38:48","guid":{"rendered":"https:\/\/server.hk\/cnblog\/71055\/"},"modified":"2024-10-15T14:38:48","modified_gmt":"2024-10-15T06:38:48","slug":"mssql%e5%af%a6%e7%8f%be%e4%b8%80%e5%af%ab%e5%a4%9a%e8%ae%80%e7%9a%84%e5%84%aa%e5%8c%96%e6%96%b9%e5%bc%8f%ef%bc%88mssql%e4%b8%80%e5%af%ab%e5%a4%9a%e8%ae%80%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/71055\/","title":{"rendered":"MSSQL\u5be6\u73fe\u4e00\u5beb\u591a\u8b80\u7684\u512a\u5316\u65b9\u5f0f\uff08mssql\u4e00\u5beb\u591a\u8b80\uff09"},"content":{"rendered":"

MSSQL\u5be6\u73fe\u4e00\u5beb\u591a\u8b80\u7684\u512a\u5316\u65b9\u5f0f\uff08mssql\u4e00\u5beb\u591a\u8b80\uff09<\/h1>\n

\u5728\u73fe\u4ee3\u7684\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0cMSSQL\uff08Microsoft SQL Server\uff09\u4f5c\u70ba\u4e00\u500b\u5f37\u5927\u7684\u95dc\u806f\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u696d\u52d9\u5834\u666f\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\u548c\u7528\u6236\u9700\u6c42\u7684\u591a\u6a23\u5316\uff0c\u5982\u4f55\u6709\u6548\u5730\u5be6\u73fe\u4e00\u5beb\u591a\u8b80\u7684\u67b6\u69cb\u6210\u70ba\u4e86\u8a31\u591a\u4f01\u696d\u9762\u81e8\u7684\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0eMSSQL\u4e2d\u5be6\u73fe\u4e00\u5beb\u591a\u8b80\u7684\u512a\u5316\u65b9\u5f0f\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u61c9\u7528\u9019\u4e00\u6280\u8853\u3002<\/p>\n

\u4e00\u5beb\u591a\u8b80\u67b6\u69cb\u6982\u8ff0<\/h2>\n

\u4e00\u5beb\u591a\u8b80\uff08One Write, Multiple Reads\uff09\u662f\u4e00\u7a2e\u6578\u64da\u5eab\u67b6\u69cb\uff0c\u4e3b\u8981\u7528\u65bc\u63d0\u9ad8\u8b80\u53d6\u6027\u80fd\u3002\u5728\u9019\u7a2e\u67b6\u69cb\u4e2d\uff0c\u6240\u6709\u7684\u5beb\u5165\u64cd\u4f5c\u90fd\u96c6\u4e2d\u5728\u4e00\u500b\u4e3b\u6578\u64da\u5eab\u4e0a\uff0c\u800c\u8b80\u53d6\u64cd\u4f5c\u5247\u53ef\u4ee5\u5206\u6563\u5230\u591a\u500b\u5f9e\u6578\u64da\u5eab\u4e0a\u3002\u9019\u6a23\u7684\u8a2d\u8a08\u4e0d\u50c5\u80fd\u5920\u6e1b\u5c11\u4e3b\u6578\u64da\u5eab\u7684\u8ca0\u64d4\uff0c\u9084\u80fd\u63d0\u9ad8\u6574\u9ad4\u7684\u8b80\u53d6\u6548\u7387\u3002<\/p>\n

MSSQL\u4e2d\u7684\u4e00\u5beb\u591a\u8b80\u5be6\u73fe\u65b9\u5f0f<\/h2>\n

1. \u4f7f\u7528\u4e3b\u5f9e\u8907\u88fd<\/h3>\n

MSSQL\u652f\u6301\u4e3b\u5f9e\u8907\u88fd\uff08Replication\uff09\uff0c\u9019\u662f\u4e00\u7a2e\u5c07\u6578\u64da\u5f9e\u4e3b\u6578\u64da\u5eab\u8907\u88fd\u5230\u4e00\u500b\u6216\u591a\u500b\u5f9e\u6578\u64da\u5eab\u7684\u6280\u8853\u3002\u901a\u904e\u8a2d\u7f6e\u4e3b\u5f9e\u8907\u88fd\uff0c\u53ef\u4ee5\u5be6\u73fe\u6578\u64da\u7684\u5be6\u6642\u540c\u6b65\uff0c\u5f9e\u800c\u4f7f\u5f97\u8b80\u53d6\u64cd\u4f5c\u53ef\u4ee5\u5728\u5f9e\u6578\u64da\u5eab\u4e0a\u9032\u884c\u3002<\/p>\n

-- \u8a2d\u7f6e\u4e3b\u5f9e\u8907\u88fd\u7684\u57fa\u672c\u6b65\u9a5f\n-- 1. \u5728\u4e3b\u6578\u64da\u5eab\u4e0a\u555f\u7528\u8907\u88fd\nEXEC sp_replicationdboption @dbname = 'YourDatabase', @optname = 'publish', @value = 'true';\n\n-- 2. \u5275\u5efa\u767c\u884c\nEXEC sp_addpublication @publication = 'YourPublication', @status = 'active';\n\n-- 3. \u5728\u5f9e\u6578\u64da\u5eab\u4e0a\u8a02\u95b1\nEXEC sp_addsubscription @publication = 'YourPublication', @subscriber = 'YourSubscriber', @destination_db = 'YourDatabase';\n<\/code><\/pre>\n
2. \u4f7f\u7528\u8b80\u53d6\u526f\u672c<\/h3>\n
\u5728MSSQL\u4e2d\uff0c\u8b80\u53d6\u526f\u672c\uff08Read Scale-Out\uff09\u662f\u4e00\u7a2e\u5c08\u9580\u70ba\u4e86\u63d0\u9ad8\u8b80\u53d6\u6027\u80fd\u800c\u8a2d\u8a08\u7684\u529f\u80fd\u3002\u901a\u904e\u914d\u7f6e\u8b80\u53d6\u526f\u672c\uff0c\u53ef\u4ee5\u5c07\u8b80\u53d6\u8acb\u6c42\u5206\u767c\u5230\u591a\u500b\u526f\u672c\u4e0a\uff0c\u5f9e\u800c\u6e1b\u5c11\u4e3b\u6578\u64da\u5eab\u7684\u8ca0\u64d4\u3002<\/p>\n
-- \u914d\u7f6e\u8b80\u53d6\u526f\u672c\u7684\u57fa\u672c\u6b65\u9a5f\n-- 1. \u5728\u4e3b\u6578\u64da\u5eab\u4e0a\u555f\u7528Always On\u53ef\u7528\u6027\u7d44\nALTER AVAILABILITY GROUP YourAGName SET (DB_FAILOVER_MODE = AUTOMATIC);\n\n-- 2. \u6dfb\u52a0\u8b80\u53d6\u526f\u672c\nALTER AVAILABILITY GROUP YourAGName ADD REPLICA ON 'YourReplicaServer' WITH (ENDPOINT_URL = 'TCP:\/\/YourReplicaServer:5022', READ_ONLY_ROUTING_URL = 'TCP:\/\/YourRoutingServer:5022');\n<\/code><\/pre>\n
3. \u4f7f\u7528\u5feb\u7167\u9694\u96e2<\/h3>\n
\u5feb\u7167\u9694\u96e2\uff08Snapshot Isolation\uff09\u662f\u4e00\u7a2e\u53ef\u4ee5\u6e1b\u5c11\u8b80\u53d6\u64cd\u4f5c\u5c0d\u5beb\u5165\u64cd\u4f5c\u5f71\u97ff\u7684\u6280\u8853\u3002\u901a\u904e\u555f\u7528\u5feb\u7167\u9694\u96e2\uff0c\u8b80\u53d6\u64cd\u4f5c\u53ef\u4ee5\u5728\u4e0d\u9396\u5b9a\u6578\u64da\u7684\u60c5\u6cc1\u4e0b\u9032\u884c\uff0c\u5f9e\u800c\u63d0\u9ad8\u7cfb\u7d71\u7684\u4e26\u767c\u6027\u80fd\u3002<\/p>\n
-- \u555f\u7528\u5feb\u7167\u9694\u96e2\nALTER DATABASE YourDatabase SET ALLOW_SNAPSHOT_ISOLATION ON;\n<\/code><\/pre>\n
\u6027\u80fd\u76e3\u63a7\u8207\u8abf\u512a<\/h2>\n
\u5728\u5be6\u73fe\u4e00\u5beb\u591a\u8b80\u67b6\u69cb\u5f8c\uff0c\u6301\u7e8c\u7684\u6027\u80fd\u76e3\u63a7\u8207\u8abf\u512a\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002\u53ef\u4ee5\u4f7f\u7528MSSQL\u7684\u6027\u80fd\u76e3\u63a7\u5de5\u5177\uff0c\u5982SQL Server Profiler\u548cDynamic Management Views\uff08DMVs\uff09\uff0c\u4f86\u5206\u6790\u7cfb\u7d71\u7684\u6027\u80fd\u74f6\u9838\uff0c\u4e26\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u9032\u884c\u8abf\u6574\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
\u901a\u904e\u4ee5\u4e0a\u5e7e\u7a2e\u65b9\u5f0f\uff0cMSSQL\u80fd\u5920\u6709\u6548\u5730\u5be6\u73fe\u4e00\u5beb\u591a\u8b80\u7684\u67b6\u69cb\uff0c\u5f9e\u800c\u63d0\u9ad8\u7cfb\u7d71\u7684\u6574\u9ad4\u6027\u80fd\u3002\u7121\u8ad6\u662f\u4f7f\u7528\u4e3b\u5f9e\u8907\u88fd\u3001\u8b80\u53d6\u526f\u672c\u9084\u662f\u5feb\u7167\u9694\u96e2\uff0c\u9078\u64c7\u5408\u9069\u7684\u6280\u8853\u548c\u914d\u7f6e\u90fd\u80fd\u5920\u5e6b\u52a9\u4f01\u696d\u66f4\u597d\u5730\u61c9\u5c0d\u65e5\u76ca\u589e\u9577\u7684\u6578\u64da\u9700\u6c42\u3002<\/p>\n
\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc\u9999\u6e2fVPS<\/a><\/em>\u548c\u4e91\u670d\u52a1\u5668<\/a><\/em>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22MSSQL\u4e00\u5beb\u591a\u8b80\u7684\u512a\u5316\u7b56\u7565\uff0c\u63d0\u9ad8\u6578\u64da\u8b80\u53d6\u6548\u7387\uff0c\u6e1b\u5c11\u5beb\u5165\u5ef6\u9072\uff0c\u5be6\u73fe\u9ad8\u6548\u80fd\u6578\u64da\u8655\u7406\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-71055","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/71055","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=71055"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/71055\/revisions"}],"predecessor-version":[{"id":71056,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/71055\/revisions\/71056"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=71055"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=71055"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=71055"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}