{"id":63792,"date":"2024-10-14T02:31:12","date_gmt":"2024-10-13T18:31:12","guid":{"rendered":"https:\/\/server.hk\/cnblog\/63792\/"},"modified":"2024-10-14T02:31:13","modified_gmt":"2024-10-13T18:31:13","slug":"mongodb%e8%a1%93%e8%aa%9e-%e4%ba%8b%e5%8b%99","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/63792\/","title":{"rendered":"MongoDB\u8853\u8a9e &#8211; \u4e8b\u52d9"},"content":{"rendered":"<h1 id=\"mongodb%e8%a1%93%e8%aa%9e-%e4%ba%8b%e5%8b%99-gubnfFHxIq\">MongoDB\u8853\u8a9e &#8211; \u4e8b\u52d9<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u9078\u64c7\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u81f3\u95dc\u91cd\u8981\u3002MongoDB\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684NoSQL\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u9748\u6d3b\u7684\u6578\u64da\u6a21\u578b\u548c\u9ad8\u6548\u7684\u67e5\u8a62\u80fd\u529b\u3002\u5728MongoDB\u4e2d\uff0c\u4e8b\u52d9\u662f\u4e00\u500b\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eMongoDB\u4e2d\u7684\u4e8b\u52d9\u53ca\u5176\u76f8\u95dc\u8853\u8a9e\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e4%ba%8b%e5%8b%99%ef%bc%9f-gubnfFHxIq\">\u4ec0\u9ebc\u662f\u4e8b\u52d9\uff1f<\/h2>\n<p>\u4e8b\u52d9\u662f\u4e00\u7d44\u64cd\u4f5c\u7684\u96c6\u5408\uff0c\u9019\u4e9b\u64cd\u4f5c\u8981\u9ebc\u5168\u90e8\u6210\u529f\uff0c\u8981\u9ebc\u5168\u90e8\u5931\u6557\u3002\u9019\u4e00\u7279\u6027\u88ab\u7a31\u70ba\u539f\u5b50\u6027\uff08Atomicity\uff09\u3002\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u4e8b\u52d9\u78ba\u4fdd\u4e86\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\uff0c\u7279\u5225\u662f\u5728\u591a\u7528\u6236\u74b0\u5883\u4e2d\u3002MongoDB\u57284.0\u7248\u672c\u4e2d\u5f15\u5165\u4e86\u591a\u6587\u6a94\u4e8b\u52d9\u7684\u652f\u6301\uff0c\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u5728\u591a\u500b\u6587\u6a94\u4e4b\u9593\u9032\u884c\u4e8b\u52d9\u8655\u7406\u3002<\/p>\n<h2 id=\"%e4%ba%8b%e5%8b%99%e7%9a%84acid%e7%89%b9%e6%80%a7-gubnfFHxIq\">\u4e8b\u52d9\u7684ACID\u7279\u6027<\/h2>\n<p>\u4e8b\u52d9\u9075\u5faaACID\u539f\u5247\uff0c\u9019\u662f\u78ba\u4fdd\u6578\u64da\u5eab\u64cd\u4f5c\u53ef\u9760\u6027\u7684\u56db\u500b\u57fa\u672c\u7279\u6027\uff1a<\/p>\n<ul>\n<li><strong>\u539f\u5b50\u6027\uff08Atomicity\uff09<\/strong>\uff1a\u4e8b\u52d9\u4e2d\u7684\u6240\u6709\u64cd\u4f5c\u8981\u9ebc\u5168\u90e8\u57f7\u884c\uff0c\u8981\u9ebc\u5168\u90e8\u4e0d\u57f7\u884c\u3002<\/li>\n<li><strong>\u4e00\u81f4\u6027\uff08Consistency\uff09<\/strong>\uff1a\u4e8b\u52d9\u7684\u57f7\u884c\u5fc5\u9808\u4f7f\u6578\u64da\u5eab\u5f9e\u4e00\u500b\u4e00\u81f4\u7684\u72c0\u614b\u8f49\u8b8a\u5230\u53e6\u4e00\u500b\u4e00\u81f4\u7684\u72c0\u614b\u3002<\/li>\n<li><strong>\u9694\u96e2\u6027\uff08Isolation\uff09<\/strong>\uff1a\u4e8b\u52d9\u7684\u57f7\u884c\u4e0d\u61c9\u53d7\u5230\u5176\u4ed6\u4e8b\u52d9\u7684\u5f71\u97ff\u3002<\/li>\n<li><strong>\u6301\u4e45\u6027\uff08Durability\uff09<\/strong>\uff1a\u4e00\u65e6\u4e8b\u52d9\u63d0\u4ea4\uff0c\u5176\u7d50\u679c\u61c9\u6c38\u4e45\u4fdd\u5b58\uff0c\u5373\u4f7f\u7cfb\u7d71\u5d29\u6f70\u4e5f\u4e0d\u6703\u4e1f\u5931\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8mongodb%e4%b8%ad%e4%bd%bf%e7%94%a8%e4%ba%8b%e5%8b%99-gubnfFHxIq\">\u5982\u4f55\u5728MongoDB\u4e2d\u4f7f\u7528\u4e8b\u52d9<\/h2>\n<p>\u5728MongoDB\u4e2d\uff0c\u4f7f\u7528\u4e8b\u52d9\u7684\u57fa\u672c\u6b65\u9a5f\u5982\u4e0b\uff1a<\/p>\n<pre><code>const session = client.startSession();\n\nsession.startTransaction();\n\ntry {\n    \/\/ \u57f7\u884c\u591a\u500b\u64cd\u4f5c\n    await collection1.insertOne({ name: \"Alice\" }, { session });\n    await collection2.insertOne({ name: \"Bob\" }, { session });\n\n    \/\/ \u63d0\u4ea4\u4e8b\u52d9\n    await session.commitTransaction();\n} catch (error) {\n    \/\/ \u5982\u679c\u51fa\u73fe\u932f\u8aa4\uff0c\u5247\u56de\u6efe\u4e8b\u52d9\n    await session.abortTransaction();\n} finally {\n    session.endSession();\n}<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u9996\u5148\u555f\u52d5\u4e00\u500b\u6703\u8a71\uff0c\u7136\u5f8c\u958b\u59cb\u4e00\u500b\u4e8b\u52d9\u3002\u5728\u4e8b\u52d9\u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u57f7\u884c\u591a\u500b\u64cd\u4f5c\u3002\u5982\u679c\u6240\u6709\u64cd\u4f5c\u90fd\u6210\u529f\uff0c\u6211\u5011\u63d0\u4ea4\u4e8b\u52d9\uff1b\u5982\u679c\u51fa\u73fe\u932f\u8aa4\uff0c\u6211\u5011\u5247\u56de\u6efe\u4e8b\u52d9\u3002<\/p>\n<h2 id=\"%e4%ba%8b%e5%8b%99%e7%9a%84%e4%bd%bf%e7%94%a8%e5%a0%b4%e6%99%af-gubnfFHxIq\">\u4e8b\u52d9\u7684\u4f7f\u7528\u5834\u666f<\/h2>\n<p>\u4e8b\u52d9\u5728\u8a31\u591a\u5834\u666f\u4e2d\u90fd\u975e\u5e38\u6709\u7528\uff0c\u7279\u5225\u662f\u5728\u4ee5\u4e0b\u60c5\u6cc1\u4e0b\uff1a<\/p>\n<ul>\n<li>\u9700\u8981\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u6642\uff0c\u4f8b\u5982\u5728\u9280\u884c\u8f49\u8cec\u64cd\u4f5c\u4e2d\uff0c\u5fc5\u9808\u78ba\u4fdd\u6263\u6b3e\u548c\u5b58\u6b3e\u540c\u6642\u6210\u529f\u3002<\/li>\n<li>\u5728\u591a\u6587\u6a94\u66f4\u65b0\u6642\uff0c\u78ba\u4fdd\u6240\u6709\u76f8\u95dc\u6587\u6a94\u7684\u72c0\u614b\u4e00\u81f4\u3002<\/li>\n<li>\u5728\u8907\u96dc\u7684\u696d\u52d9\u908f\u8f2f\u4e2d\uff0c\u78ba\u4fdd\u6240\u6709\u6b65\u9a5f\u90fd\u80fd\u6b63\u78ba\u57f7\u884c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-gubnfFHxIq\">\u7d50\u8ad6<\/h2>\n<p>MongoDB\u7684\u4e8b\u52d9\u529f\u80fd\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u5de5\u5177\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002\u901a\u904e\u7406\u89e3\u4e8b\u52d9\u7684ACID\u7279\u6027\u53ca\u5176\u5728MongoDB\u4e2d\u7684\u5be6\u73fe\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u8a2d\u8a08\u548c\u5be6\u73fe\u61c9\u7528\u7a0b\u5e8f\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u53ef\u9760\u6027\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc<code>VPS<\/code>\u3001<code>\u9999\u6e2fVPS<\/code>\u53ca\u5176\u4ed6\u76f8\u95dc\u670d\u52d9\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3MongoDB\u4e2d\u7684\u4e8b\u52d9\u8853\u8a9e\uff0c\u638c\u63e1\u6578\u64da\u4e00\u81f4\u6027\u548c\u539f\u5b50\u6027\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\u8207\u53ef\u9760\u6027\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-63792","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/63792","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=63792"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/63792\/revisions"}],"predecessor-version":[{"id":63793,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/63792\/revisions\/63793"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=63792"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=63792"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=63792"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}