{"id":175757,"date":"2024-11-08T08:44:17","date_gmt":"2024-11-08T00:44:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/175757\/"},"modified":"2024-11-08T08:44:18","modified_gmt":"2024-11-08T00:44:18","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-159-%e6%8c%81%e7%ba%8c%e6%99%82%e9%96%93%e6%ba%a2%e5%87%ba","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/175757\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc &#8211; 159 &#8211; \u6301\u7e8c\u6642\u9593\u6ea2\u51fa"},"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-159-%e6%8c%81%e7%ba%8c%e6%99%82%e9%96%93%e6%ba%a2%e5%87%ba-ZizlXtgGeg\">\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc &#8211; 159 &#8211; \u6301\u7e8c\u6642\u9593\u6ea2\u51fa<\/h1>\n<p>\u5728\u4f7f\u7528MongoDB\u7684\u904e\u7a0b\u4e2d\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\u78bc159\uff0c\u9019\u901a\u5e38\u8868\u793a\u201c\u6301\u7e8c\u6642\u9593\u6ea2\u51fa\u201d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207\u67e5\u8a62\u7684\u57f7\u884c\u6642\u9593\u6709\u95dc\uff0c\u7576\u67e5\u8a62\u7684\u57f7\u884c\u6642\u9593\u8d85\u904e\u4e86MongoDB\u7684\u9650\u5236\u6642\uff0c\u5c31\u6703\u51fa\u73fe\u9019\u500b\u932f\u8aa4\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc159%e7%9a%84%e5%8e%9f%e5%9b%a0-ZizlXtgGeg\">\u932f\u8aa4\u4ee3\u78bc159\u7684\u539f\u56e0<\/h2>\n<p>MongoDB\u7684\u932f\u8aa4\u4ee3\u78bc159\u901a\u5e38\u662f\u7531\u65bc\u4ee5\u4e0b\u5e7e\u500b\u539f\u56e0\u5f15\u8d77\u7684\uff1a<\/p>\n<ul>\n<li><strong>\u67e5\u8a62\u904e\u65bc\u8907\u96dc\uff1a<\/strong>\u7576\u67e5\u8a62\u6d89\u53ca\u591a\u500b\u96c6\u5408\u6216\u4f7f\u7528\u4e86\u5927\u91cf\u7684\u805a\u5408\u64cd\u4f5c\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u67e5\u8a62\u57f7\u884c\u6642\u9593\u904e\u9577\u3002<\/li>\n<li><strong>\u7d22\u5f15\u7f3a\u5931\uff1a<\/strong>\u5982\u679c\u67e5\u8a62\u672a\u80fd\u6709\u6548\u5229\u7528\u7d22\u5f15\uff0c\u5247\u53ef\u80fd\u6703\u5c0e\u81f4\u5168\u8868\u6383\u63cf\uff0c\u5f9e\u800c\u589e\u52a0\u67e5\u8a62\u7684\u57f7\u884c\u6642\u9593\u3002<\/li>\n<li><strong>\u6578\u64da\u91cf\u904e\u5927\uff1a<\/strong>\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u52a0\uff0c\u67e5\u8a62\u7684\u57f7\u884c\u6642\u9593\u4e5f\u6703\u96a8\u4e4b\u589e\u52a0\uff0c\u7279\u5225\u662f\u5728\u6c92\u6709\u9069\u7576\u512a\u5316\u7684\u60c5\u6cc1\u4e0b\u3002<\/li>\n<li><strong>\u4f3a\u670d\u5668\u6027\u80fd\u554f\u984c\uff1a<\/strong>\u4f3a\u670d\u5668\u7684\u786c\u9ad4\u6027\u80fd\u4e0d\u8db3\u6216\u8cc7\u6e90\u88ab\u5176\u4ed6\u9032\u7a0b\u4f54\u7528\uff0c\u4e5f\u53ef\u80fd\u5c0e\u81f4\u67e5\u8a62\u57f7\u884c\u6642\u9593\u904e\u9577\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%bc159-ZizlXtgGeg\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa4\u4ee3\u78bc159<\/h2>\n<p>\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc159\u7684\u904e\u7a0b\u901a\u5e38\u6d89\u53ca\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2-ZizlXtgGeg\">1. \u512a\u5316\u67e5\u8a62<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u5c0e\u81f4\u932f\u8aa4\u7684\u67e5\u8a62\u8a9e\u53e5\u3002\u53ef\u4ee5\u4f7f\u7528MongoDB\u7684\u67e5\u8a62\u5206\u6790\u5de5\u5177\u4f86\u67e5\u770b\u67e5\u8a62\u7684\u57f7\u884c\u8a08\u5283\uff0c\u4e26\u627e\u51fa\u53ef\u80fd\u7684\u74f6\u9838\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>db.collection.find({ field: value }).explain(\"executionStats\")<\/code><\/pre>\n<p>\u6839\u64da\u57f7\u884c\u8a08\u5283\u7684\u7d50\u679c\uff0c\u8003\u616e\u7c21\u5316\u67e5\u8a62\u6216\u5c07\u5176\u62c6\u5206\u70ba\u591a\u500b\u8f03\u5c0f\u7684\u67e5\u8a62\u3002<\/p>\n<h3 id=\"2-%e6%b7%bb%e5%8a%a0%e7%b4%a2%e5%bc%95-ZizlXtgGeg\">2. \u6dfb\u52a0\u7d22\u5f15<\/h3>\n<p>\u78ba\u4fdd\u67e5\u8a62\u4e2d\u4f7f\u7528\u7684\u5b57\u6bb5\u6709\u9069\u7576\u7684\u7d22\u5f15\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u5275\u5efa\u7d22\u5f15\uff1a<\/p>\n<pre><code>db.collection.createIndex({ field: 1 })<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u6e1b\u5c11\u57f7\u884c\u6642\u9593\u3002<\/p>\n<h3 id=\"3-%e9%99%90%e5%88%b6%e8%bf%94%e5%9b%9e%e7%9a%84%e6%95%b8%e6%93%9a%e9%87%8f-ZizlXtgGeg\">3. \u9650\u5236\u8fd4\u56de\u7684\u6578\u64da\u91cf<\/h3>\n<p>\u5982\u679c\u67e5\u8a62\u8fd4\u56de\u7684\u6578\u64da\u91cf\u904e\u5927\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u9650\u5236\uff08limit\uff09\u548c\u504f\u79fb\uff08skip\uff09\u4f86\u63a7\u5236\u8fd4\u56de\u7684\u6578\u64da\u91cf\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>db.collection.find({ field: value }).limit(100)<\/code><\/pre>\n<h3 id=\"4-%e5%8d%87%e7%b4%9a%e4%bc%ba%e6%9c%8d%e5%99%a8%e7%a1%ac%e9%ab%94-ZizlXtgGeg\">4. \u5347\u7d1a\u4f3a\u670d\u5668\u786c\u9ad4<\/h3>\n<p>\u5982\u679c\u4ee5\u4e0a\u65b9\u6cd5\u7121\u6cd5\u89e3\u6c7a\u554f\u984c\uff0c\u53ef\u80fd\u9700\u8981\u8003\u616e\u5347\u7d1a\u4f3a\u670d\u5668\u7684\u786c\u9ad4\u914d\u7f6e\uff0c\u4f8b\u5982\u589e\u52a0\u5167\u5b58\u6216\u4f7f\u7528\u66f4\u5feb\u7684\u786c\u789f\uff0c\u4ee5\u63d0\u9ad8\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ZizlXtgGeg\">\u7e3d\u7d50<\/h2>\n<p>MongoDB\u932f\u8aa4\u4ee3\u78bc159 &#8211; \u6301\u7e8c\u6642\u9593\u6ea2\u51fa\uff0c\u901a\u5e38\u662f\u7531\u65bc\u67e5\u8a62\u904e\u65bc\u8907\u96dc\u3001\u7d22\u5f15\u7f3a\u5931\u3001\u6578\u64da\u91cf\u904e\u5927\u6216\u4f3a\u670d\u5668\u6027\u80fd\u554f\u984c\u5f15\u8d77\u7684\u3002\u901a\u904e\u512a\u5316\u67e5\u8a62\u3001\u6dfb\u52a0\u7d22\u5f15\u3001\u9650\u5236\u8fd4\u56de\u6578\u64da\u91cf\u4ee5\u53ca\u5347\u7d1a\u4f3a\u670d\u5668\u786c\u9ad4\u7b49\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u9019\u4e00\u932f\u8aa4\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fddMongoDB\u7684\u7a69\u5b9a\u904b\u884c\u548c\u9ad8\u6548\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc159\uff1a\u6301\u7e8c\u6642\u9593\u6ea2\u51fa\uff0c\u89e3\u6c7a\u6027\u80fd\u554f\u984c\uff0c\u512a\u5316\u67e5\u8a62\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6548\u7387\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-175757","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175757","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=175757"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175757\/revisions"}],"predecessor-version":[{"id":175758,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175757\/revisions\/175758"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=175757"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=175757"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=175757"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}