{"id":176083,"date":"2024-11-08T09:56:22","date_gmt":"2024-11-08T01:56:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/176083\/"},"modified":"2024-11-08T09:56:23","modified_gmt":"2024-11-08T01:56:23","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mongodb%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc-50-maxtimems%e9%81%8e%e6%9c%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/176083\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc &#8211; 50 &#8211; MaxTimeMS\u904e\u671f"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mongodb%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc-50-maxtimems%e9%81%8e%e6%9c%9f-ScJeQZnZjy\">\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc &#8211; 50 &#8211; MaxTimeMS\u904e\u671f<\/h1>\n<p>\u5728\u4f7f\u7528MongoDB\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u932f\u8aa4\u4ee3\u78bc -50\uff0c\u9019\u901a\u5e38\u8207MaxTimeMS\u904e\u671f\u6709\u95dc\u3002\u9019\u500b\u932f\u8aa4\u8868\u793a\u67e5\u8a62\u6216\u64cd\u4f5c\u8d85\u904e\u4e86\u6307\u5b9a\u7684\u6700\u5927\u57f7\u884c\u6642\u9593\uff0c\u5c0e\u81f4MongoDB\u81ea\u52d5\u7d42\u6b62\u8a72\u64cd\u4f5c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u5982\u4f55\u6709\u6548\u5730\u4fee\u5fa9\u5b83\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afmaxtimems%ef%bc%9f-ScJeQZnZjy\">\u4ec0\u9ebc\u662fMaxTimeMS\uff1f<\/h2>\n<p>MaxTimeMS\u662f\u4e00\u500bMongoDB\u7684\u67e5\u8a62\u9078\u9805\uff0c\u7528\u65bc\u9650\u5236\u67e5\u8a62\u6216\u64cd\u4f5c\u7684\u6700\u5927\u57f7\u884c\u6642\u9593\u3002\u7576\u57f7\u884c\u7684\u64cd\u4f5c\u8d85\u904e\u9019\u500b\u6642\u9593\u9650\u5236\u6642\uff0cMongoDB\u6703\u81ea\u52d5\u7d42\u6b62\u8a72\u64cd\u4f5c\u4e26\u8fd4\u56de\u932f\u8aa4\u4ee3\u78bc -50\u3002\u9019\u500b\u9078\u9805\u7684\u4e3b\u8981\u76ee\u7684\u662f\u9632\u6b62\u9577\u6642\u9593\u904b\u884c\u7684\u67e5\u8a62\u5f71\u97ff\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u9ad8\u8ca0\u8f09\u7684\u74b0\u5883\u4e2d\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc-50-%e7%9a%84%e5%8e%9f%e5%9b%a0-ScJeQZnZjy\">\u932f\u8aa4\u4ee3\u78bc -50 \u7684\u539f\u56e0<\/h2>\n<p>\u932f\u8aa4\u4ee3\u78bc -50 \u901a\u5e38\u7531\u4ee5\u4e0b\u5e7e\u500b\u539f\u56e0\u5f15\u8d77\uff1a<\/p>\n<ul>\n<li><strong>\u67e5\u8a62\u8907\u96dc\u6027\uff1a<\/strong>\u5982\u679c\u67e5\u8a62\u6d89\u53ca\u5927\u91cf\u6578\u64da\u6216\u8907\u96dc\u7684\u8a08\u7b97\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u57f7\u884c\u6642\u9593\u904e\u9577\u3002<\/li>\n<li><strong>\u7d22\u5f15\u7f3a\u5931\uff1a<\/strong>\u7f3a\u4e4f\u9069\u7576\u7684\u7d22\u5f15\u6703\u4f7f\u67e5\u8a62\u6548\u7387\u4f4e\u4e0b\uff0c\u5f9e\u800c\u589e\u52a0\u57f7\u884c\u6642\u9593\u3002<\/li>\n<li><strong>\u6578\u64da\u5eab\u8ca0\u8f09\uff1a<\/strong>\u5728\u9ad8\u8ca0\u8f09\u7684\u60c5\u6cc1\u4e0b\uff0c\u6578\u64da\u5eab\u7684\u97ff\u61c9\u6642\u9593\u53ef\u80fd\u6703\u589e\u52a0\uff0c\u5c0e\u81f4\u67e5\u8a62\u8d85\u6642\u3002<\/li>\n<li><strong>\u7db2\u7d61\u5ef6\u9072\uff1a<\/strong>\u5982\u679c\u5ba2\u6236\u7aef\u548c\u6578\u64da\u5eab\u4e4b\u9593\u7684\u7db2\u7d61\u9023\u63a5\u4e0d\u7a69\u5b9a\uff0c\u4e5f\u53ef\u80fd\u5c0e\u81f4\u67e5\u8a62\u8d85\u6642\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc-50-ScJeQZnZjy\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa4\u4ee3\u78bc -50<\/h2>\n<p>\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc -50 \u7684\u65b9\u6cd5\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2-ScJeQZnZjy\">1. \u512a\u5316\u67e5\u8a62<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u67e5\u8a62\u7684\u7d50\u69cb\uff0c\u78ba\u4fdd\u5b83\u662f\u9ad8\u6548\u7684\u3002\u53ef\u4ee5\u4f7f\u7528MongoDB\u7684\u89e3\u91cb\u8a08\u5283\uff08explain\uff09\u529f\u80fd\u4f86\u5206\u6790\u67e5\u8a62\u7684\u6027\u80fd\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>db.collection.find({ field: value }).explain(\"executionStats\")<\/code><\/pre>\n<p>\u9019\u5c07\u986f\u793a\u67e5\u8a62\u7684\u57f7\u884c\u8a08\u5283\uff0c\u5e6b\u52a9\u4f60\u8b58\u5225\u6027\u80fd\u74f6\u9838\u3002<\/p>\n<h3 id=\"2-%e6%b7%bb%e5%8a%a0%e7%b4%a2%e5%bc%95-ScJeQZnZjy\">2. \u6dfb\u52a0\u7d22\u5f15<\/h3>\n<p>\u78ba\u4fdd\u5c0d\u67e5\u8a62\u4e2d\u4f7f\u7528\u7684\u5b57\u6bb5\u6dfb\u52a0\u9069\u7576\u7684\u7d22\u5f15\u3002\u7d22\u5f15\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u6e1b\u5c11\u57f7\u884c\u6642\u9593\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>db.collection.createIndex({ field: 1 })<\/code><\/pre>\n<p>\u9019\u5c07\u5728\u6307\u5b9a\u7684\u5b57\u6bb5\u4e0a\u5275\u5efa\u4e00\u500b\u5347\u5e8f\u7d22\u5f15\u3002<\/p>\n<h3 id=\"3-%e8%aa%bf%e6%95%b4maxtimems-ScJeQZnZjy\">3. \u8abf\u6574MaxTimeMS<\/h3>\n<p>\u5982\u679c\u67e5\u8a62\u672c\u8eab\u662f\u5408\u7406\u7684\uff0c\u4f46\u4ecd\u7136\u9700\u8981\u66f4\u9577\u7684\u57f7\u884c\u6642\u9593\uff0c\u53ef\u4ee5\u8003\u616e\u8abf\u6574MaxTimeMS\u7684\u503c\u3002\u9019\u53ef\u4ee5\u901a\u904e\u5728\u67e5\u8a62\u4e2d\u8a2d\u7f6e\u65b0\u7684\u6642\u9593\u9650\u5236\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre><code>db.collection.find({ field: value }).maxTimeMS(5000)<\/code><\/pre>\n<p>\u9019\u5c07\u628a\u6700\u5927\u57f7\u884c\u6642\u9593\u8a2d\u7f6e\u70ba5000\u6beb\u79d2\u3002<\/p>\n<h3 id=\"4-%e7%9b%a3%e6%8e%a7%e6%95%b8%e6%93%9a%e5%ba%ab%e6%80%a7%e8%83%bd-ScJeQZnZjy\">4. \u76e3\u63a7\u6578\u64da\u5eab\u6027\u80fd<\/h3>\n<p>\u4f7f\u7528MongoDB\u7684\u6027\u80fd\u76e3\u63a7\u5de5\u5177\u4f86\u8ddf\u8e64\u6578\u64da\u5eab\u7684\u8ca0\u8f09\u548c\u67e5\u8a62\u6027\u80fd\u3002\u9019\u53ef\u4ee5\u5e6b\u52a9\u4f60\u53ca\u6642\u767c\u73fe\u554f\u984c\u4e26\u9032\u884c\u8abf\u6574\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-ScJeQZnZjy\">\u7d50\u8ad6<\/h2>\n<p>MongoDB\u932f\u8aa4\u4ee3\u78bc -50 &#8211; MaxTimeMS\u904e\u671f\u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\uff0c\u4f46\u901a\u904e\u512a\u5316\u67e5\u8a62\u3001\u6dfb\u52a0\u7d22\u5f15\u3001\u8abf\u6574MaxTimeMS\u4ee5\u53ca\u76e3\u63a7\u6578\u64da\u5eab\u6027\u80fd\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u500b\u554f\u984c\u3002\u4fdd\u6301\u6578\u64da\u5eab\u7684\u9ad8\u6548\u904b\u884c\u4e0d\u50c5\u80fd\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\uff0c\u9084\u80fd\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684MongoDB\u6578\u64da\u5eab\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u3002\u7121\u8ad6\u662f\u9ad8\u6027\u80fd\u7684 <a href=\"https:\/\/server.hk\">\u4e91\u4f3a\u670d\u5668<\/a> \u9084\u662f\u9748\u6d3b\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc50 &#8211; MaxTimeMS\u904e\u671f\uff0c\u63d0\u5347\u67e5\u8a62\u6548\u7387\uff0c\u78ba\u4fdd\u6578\u64da\u64cd\u4f5c\u4e0d\u53d7\u6642\u9593\u9650\u5236\u5f71\u97ff\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-176083","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/176083","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=176083"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/176083\/revisions"}],"predecessor-version":[{"id":176084,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/176083\/revisions\/176084"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=176083"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=176083"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=176083"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}