{"id":21518,"date":"2024-01-02T10:43:21","date_gmt":"2024-01-02T10:43:21","guid":{"rendered":"https:\/\/server.hk\/blog\/21518\/"},"modified":"2024-11-14T10:31:25","modified_gmt":"2024-11-14T02:31:25","slug":"mongodb-glossary-write-concern","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/21518\/","title":{"rendered":"MongoDB \u8a5e\u5f59\u8868 &#8211; \u5beb\u5165\u95dc\u6ce8"},"content":{"rendered":"<h1 id=\"mongodb-glossary-write-concern-lzFDvCLHyv\">MongoDB \u8a5e\u5f59\u8868 &#8211; \u5beb\u5165\u95dc\u6ce8 (Write Concern)<\/h1>\n<p>\u5728 MongoDB \u4e2d\uff0c\u5beb\u5165\u95dc\u6ce8\u6307\u7684\u662f\u5ba2\u6236\u7aef\u5728\u57f7\u884c\u5beb\u5165\u64cd\u4f5c\u6642\uff0c\u6240\u9700\u5f9e\u6578\u64da\u5eab\u7372\u5f97\u7684\u78ba\u8a8d\u7d1a\u5225\u3002\u5b83\u6c7a\u5b9a\u4e86\u6578\u64da\u6301\u4e45\u5316\u7684\u4fdd\u8b49\u7a0b\u5ea6\u4ee5\u53ca\u6578\u64da\u5eab\u63d0\u4f9b\u7684\u8010\u4e45\u6027\u6c34\u5e73\u3002<\/p>\n<h2 id=\"understanding-write-concern-lzFDvCLHyv\">\u4e86\u89e3\u5beb\u5165\u95dc\u6ce8<\/h2>\n<p>\u7576\u5ba2\u6236\u7aef\u5411 MongoDB \u767c\u9001\u5beb\u5165\u64cd\u4f5c\u6642\uff0c\u5b83\u53ef\u4ee5\u6307\u5b9a\u6240\u9700\u7684\u5beb\u5165\u95dc\u6ce8\u7d1a\u5225\u3002\u5beb\u5165\u95dc\u6ce8\u53ef\u4ee5\u8a2d\u7f6e\u5728\u4e0d\u540c\u7684\u7d1a\u5225\uff0c\u7bc4\u570d\u5f9e\u672a\u78ba\u8a8d\u5beb\u5165\u5230\u5b8c\u5168\u78ba\u8a8d\u5beb\u5165\u3002<\/p>\n<p>\u5beb\u5165\u95dc\u6ce8\u9078\u9805\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u672a\u78ba\u8a8d<\/strong>\uff1a\u5ba2\u6236\u7aef\u4e0d\u6703\u7b49\u5f85\u4f86\u81ea\u6578\u64da\u5eab\u7684\u4efb\u4f55\u78ba\u8a8d\u3002\u9019\u662f\u6700\u5feb\u7684\u9078\u9805\uff0c\u4f46\u7121\u6cd5\u4fdd\u8b49\u5beb\u5165\u64cd\u4f5c\u662f\u5426\u6210\u529f\u3002<\/li>\n<li><strong>\u5df2\u78ba\u8a8d<\/strong>\uff1a\u5ba2\u6236\u7aef\u7b49\u5f85\u4e3b\u8907\u88fd\u96c6\u6210\u54e1\u7684\u78ba\u8a8d\uff0c\u9019\u78ba\u4fdd\u5beb\u5165\u64cd\u4f5c\u5df2\u6210\u529f\u5beb\u5165\u4e3b\u8907\u88fd\u96c6\u6210\u54e1\u7684\u5167\u5b58\u4e2d\u3002<\/li>\n<li><strong>\u65e5\u8a8c\u5df2\u5beb\u5165<\/strong>\uff1a\u5ba2\u6236\u7aef\u7b49\u5f85\u4f86\u81ea\u4e3b\u8907\u88fd\u96c6\u6210\u54e1\u7684\u78ba\u8a8d\uff0c\u4e26\u78ba\u4fdd\u5beb\u5165\u64cd\u4f5c\u5df2\u6210\u529f\u5beb\u5165\u65e5\u8a8c\u3002\u9019\u63d0\u4f9b\u4e86\u984d\u5916\u7684\u8010\u4e45\u6027\u4fdd\u8b49\u3002<\/li>\n<li><strong>\u591a\u6578\u78ba\u8a8d<\/strong>\uff1a\u5ba2\u6236\u7aef\u7b49\u5f85\u4f86\u81ea\u591a\u6578\u8907\u88fd\u96c6\u6210\u54e1\u7684\u78ba\u8a8d\uff0c\u9019\u78ba\u4fdd\u5beb\u5165\u64cd\u4f5c\u5df2\u6210\u529f\u8907\u88fd\u5230\u591a\u6578\u8907\u88fd\u96c6\u6210\u54e1\uff0c\u63d0\u4f9b\u66f4\u9ad8\u7684\u8010\u4e45\u6027\u548c\u6578\u64da\u6301\u4e45\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"choosing-the-right-write-concern-lzFDvCLHyv\">\u9078\u64c7\u9069\u7576\u7684\u5beb\u5165\u95dc\u6ce8<\/h2>\n<p>\u9078\u64c7\u5408\u9069\u7684\u5beb\u5165\u95dc\u6ce8\u53d6\u6c7a\u65bc\u61c9\u7528\u7684\u5177\u9ad4\u9700\u6c42\u3002\u91cd\u8981\u7684\u662f\u8981\u8003\u616e\u6578\u64da\u4e00\u81f4\u6027\u3001\u8010\u4e45\u6027\u548c\u6027\u80fd\u7b49\u56e0\u7d20\u3002<\/p>\n<p>\u5982\u679c\u60a8\u7684\u61c9\u7528\u53ef\u4ee5\u5bb9\u5fcd\u5076\u723e\u7684\u6578\u64da\u4e1f\u5931\u6216\u4e0d\u4e00\u81f4\u6027\uff0c\u4f7f\u7528\u672a\u78ba\u8a8d\u7684\u5beb\u5165\u95dc\u6ce8\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002\u7136\u800c\uff0c\u82e5\u6578\u64da\u5b8c\u6574\u6027\u548c\u8010\u4e45\u6027\u81f3\u95dc\u91cd\u8981\uff0c\u5247\u5efa\u8b70\u4f7f\u7528\u5df2\u78ba\u8a8d\u3001\u65e5\u8a8c\u5df2\u5beb\u5165\u6216\u591a\u6578\u78ba\u8a8d\u7684\u5beb\u5165\u95dc\u6ce8\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5728\u91d1\u878d\u61c9\u7528\u4e2d\uff0c\u6578\u64da\u5b8c\u6574\u6027\u81f3\u95dc\u91cd\u8981\uff0c\u4f7f\u7528\u591a\u6578\u78ba\u8a8d\u7684\u5beb\u5165\u95dc\u6ce8\u53ef\u4ee5\u78ba\u4fdd\u5beb\u5165\u64cd\u4f5c\u5df2\u8907\u88fd\u5230\u591a\u6578\u8907\u88fd\u96c6\u6210\u54e1\uff0c\u5f9e\u800c\u5c07\u6578\u64da\u4e1f\u5931\u7684\u98a8\u96aa\u964d\u5230\u6700\u4f4e\u3002<\/p>\n<h2 id=\"setting-write-concern-in-mongodb-lzFDvCLHyv\">\u5728 MongoDB \u4e2d\u8a2d\u7f6e\u5beb\u5165\u95dc\u6ce8<\/h2>\n<p>\u6839\u64da\u60a8\u4f7f\u7528\u7684 MongoDB \u9a45\u52d5\u6216\u5ba2\u6236\u7aef\u5eab\uff0c\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u7d1a\u5225\u8a2d\u7f6e\u5beb\u5165\u95dc\u6ce8\u3002\u5927\u591a\u6578 MongoDB \u9a45\u52d5\u63d0\u4f9b\u4e86\u8a2d\u7f6e\u6240\u9700\u5beb\u5165\u95dc\u6ce8\u7684\u9078\u9805\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528 MongoDB shell \u8a2d\u7f6e\u5beb\u5165\u95dc\u6ce8\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>\r\n<code>\r\ndb.collection.insertOne(\r\n   { name: \"John Doe\" },\r\n   { writeConcern: { w: \"majority\", wtimeout: 5000 } }\r\n)\r\n<\/code>\r\n<\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u5beb\u5165\u95dc\u6ce8\u88ab\u8a2d\u7f6e\u70ba\u300c\u591a\u6578\u78ba\u8a8d\u300d\uff0c\u4e26\u8a2d\u7f6e\u4e86 5000 \u6beb\u79d2\u7684\u8d85\u6642\u6642\u9593\u3002\u5ba2\u6236\u7aef\u6703\u5728\u6307\u5b9a\u7684\u8d85\u6642\u6642\u9593\u5167\u7b49\u5f85\u591a\u6578\u8907\u88fd\u96c6\u6210\u54e1\u7684\u78ba\u8a8d\u3002<\/p>\n<h2 id=\"conclusion-lzFDvCLHyv\">\u7d50\u8ad6<\/h2>\n<p>MongoDB \u7684\u5beb\u5165\u95dc\u6ce8\u5141\u8a31\u5ba2\u6236\u7aef\u63a7\u5236\u5beb\u5165\u64cd\u4f5c\u7684\u78ba\u8a8d\u7d1a\u5225\u548c\u8010\u4e45\u6027\u3002\u901a\u904e\u9078\u64c7\u9069\u7576\u7684\u5beb\u5165\u95dc\u6ce8\uff0c\u60a8\u53ef\u4ee5\u6839\u64da\u61c9\u7528\u7684\u5177\u9ad4\u9700\u6c42\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\u3001\u8010\u4e45\u6027\u548c\u6027\u80fd\u3002<\/p>\n<p>\u6b32\u4e86\u89e3\u66f4\u591a\u6709\u95dc MongoDB \u548c VPS \u4e3b\u6a5f\u89e3\u6c7a\u65b9\u6848\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MongoDB \u8a5e\u5f59\u8868 &#038;#82&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-21518","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21518","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=21518"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21518\/revisions"}],"predecessor-version":[{"id":23945,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21518\/revisions\/23945"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=21518"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=21518"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=21518"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}