{"id":175733,"date":"2024-11-08T08:20:17","date_gmt":"2024-11-08T00:20:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/175733\/"},"modified":"2024-11-08T08:20:18","modified_gmt":"2024-11-08T00:20:18","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-136-capped%e4%bd%8d%e7%bd%ae%e4%b8%9f%e5%a4%b1","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/175733\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc &#8211; 136 &#8211; Capped\u4f4d\u7f6e\u4e1f\u5931"},"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-136-capped%e4%bd%8d%e7%bd%ae%e4%b8%9f%e5%a4%b1-EIDzEEmBpW\">\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc &#8211; 136 &#8211; Capped\u4f4d\u7f6e\u4e1f\u5931<\/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\u78bc &#8211; 136\uff0c\u9019\u901a\u5e38\u8207\u201cCapped\u4f4d\u7f6e\u4e1f\u5931\u201d\u6709\u95dc\u3002\u9019\u500b\u932f\u8aa4\u4e3b\u8981\u51fa\u73fe\u5728\u4f7f\u7528Capped Collection\u6642\uff0c\u7576MongoDB\u7121\u6cd5\u627e\u5230\u6b63\u78ba\u7684\u6578\u64da\u4f4d\u7f6e\u6642\uff0c\u5c31\u6703\u5831\u544a\u6b64\u932f\u8aa4\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u554f\u984c\u7684\u6210\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afcapped-collection%ef%bc%9f-EIDzEEmBpW\">\u4ec0\u9ebc\u662fCapped Collection\uff1f<\/h2>\n<p>Capped Collection\u662fMongoDB\u7684\u4e00\u7a2e\u7279\u6b8a\u96c6\u5408\uff0c\u5177\u6709\u56fa\u5b9a\u7684\u5927\u5c0f\u9650\u5236\uff0c\u4e26\u4e14\u4ee5\u5148\u9032\u5148\u51fa\uff08FIFO\uff09\u7684\u65b9\u5f0f\u5b58\u5132\u6578\u64da\u3002\u9019\u610f\u5473\u8457\u7576\u96c6\u5408\u9054\u5230\u5176\u5927\u5c0f\u9650\u5236\u6642\uff0c\u6700\u820a\u7684\u6578\u64da\u5c07\u88ab\u81ea\u52d5\u522a\u9664\u4ee5\u9a30\u51fa\u7a7a\u9593\u3002\u9019\u7a2e\u7279\u6027\u4f7f\u5f97Capped Collection\u975e\u5e38\u9069\u5408\u7528\u65bc\u65e5\u8a8c\u8a18\u9304\u548c\u5be6\u6642\u6578\u64da\u6d41\u7b49\u5834\u666f\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc-136-%e7%9a%84%e6%88%90%e5%9b%a0-EIDzEEmBpW\">\u932f\u8aa4\u4ee3\u78bc &#8211; 136 \u7684\u6210\u56e0<\/h2>\n<p>\u932f\u8aa4\u4ee3\u78bc &#8211; 136 \u901a\u5e38\u662f\u7531\u65bc\u4ee5\u4e0b\u5e7e\u500b\u539f\u56e0\u5f15\u8d77\u7684\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u640d\u58de\uff1a<\/strong>\u5982\u679cMongoDB\u7684\u6578\u64da\u6587\u4ef6\u640d\u58de\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4Capped Collection\u4e2d\u7684\u4f4d\u7f6e\u4e1f\u5931\u3002<\/li>\n<li><strong>\u4e0d\u7576\u7684\u64cd\u4f5c\uff1a<\/strong>\u5728\u9032\u884c\u6578\u64da\u63d2\u5165\u6216\u522a\u9664\u64cd\u4f5c\u6642\uff0c\u5982\u679c\u64cd\u4f5c\u4e0d\u7576\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u4f4d\u7f6e\u932f\u8aa4\u3002<\/li>\n<li><strong>\u7cfb\u7d71\u5d29\u6f70\uff1a<\/strong>\u5982\u679cMongoDB\u670d\u52d9\u5728\u5beb\u5165\u904e\u7a0b\u4e2d\u5d29\u6f70\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\uff0c\u5f9e\u800c\u5f15\u767c\u6b64\u932f\u8aa4\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-136-EIDzEEmBpW\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa4\u4ee3\u78bc &#8211; 136<\/h2>\n<p>\u4fee\u5fa9\u6b64\u932f\u8aa4\u7684\u904e\u7a0b\u53ef\u80fd\u6703\u6d89\u53ca\u591a\u500b\u6b65\u9a5f\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e6%96%87%e4%bb%b6-EIDzEEmBpW\">1. \u6aa2\u67e5\u6578\u64da\u6587\u4ef6<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u6aa2\u67e5MongoDB\u7684\u6578\u64da\u6587\u4ef6\u662f\u5426\u640d\u58de\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u72c0\u614b\uff1a<\/p>\n<pre><code>db.runCommand({ dbStats: 1 })<\/code><\/pre>\n<p>\u5982\u679c\u767c\u73fe\u6578\u64da\u6587\u4ef6\u640d\u58de\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u5f9e\u5099\u4efd\u4e2d\u6062\u5fa9\u6578\u64da\u3002<\/p>\n<h3 id=\"2-%e4%bf%ae%e5%be%a9%e6%95%b8%e6%93%9a%e5%ba%ab-EIDzEEmBpW\">2. \u4fee\u5fa9\u6578\u64da\u5eab<\/h3>\n<p>\u5982\u679c\u6578\u64da\u6587\u4ef6\u640d\u58de\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528MongoDB\u7684\u4fee\u5fa9\u5de5\u5177\u4f86\u5617\u8a66\u4fee\u5fa9\u6578\u64da\u5eab\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u555f\u52d5\u4fee\u5fa9\u904e\u7a0b\uff1a<\/p>\n<pre><code>mongod --repair --dbpath \/path\/to\/your\/db<\/code><\/pre>\n<p>\u8acb\u78ba\u4fdd\u5728\u57f7\u884c\u6b64\u547d\u4ee4\u4e4b\u524d\u5099\u4efd\u60a8\u7684\u6578\u64da\u3002<\/p>\n<h3 id=\"3-%e9%87%8d%e6%96%b0%e5%89%b5%e5%bb%bacapped-collection-EIDzEEmBpW\">3. \u91cd\u65b0\u5275\u5efaCapped Collection<\/h3>\n<p>\u5982\u679c\u4ee5\u4e0a\u65b9\u6cd5\u7121\u6cd5\u89e3\u6c7a\u554f\u984c\uff0c\u60a8\u53ef\u4ee5\u8003\u616e\u91cd\u65b0\u5275\u5efaCapped Collection\u3002\u9996\u5148\uff0c\u5c07\u73fe\u6709\u7684Capped Collection\u4e2d\u7684\u6578\u64da\u5c0e\u51fa\uff0c\u7136\u5f8c\u522a\u9664\u8a72\u96c6\u5408\uff0c\u6700\u5f8c\u91cd\u65b0\u5275\u5efa\u4e00\u500b\u65b0\u7684Capped Collection\uff1a<\/p>\n<pre><code>mongoexport --db yourDB --collection yourCappedCollection --out yourData.json<\/code><\/pre>\n<pre><code>db.yourCappedCollection.drop()<\/code><\/pre>\n<pre><code>db.createCollection(\"yourCappedCollection\", { capped: true, size: 5242880 })<\/code><\/pre>\n<pre><code>mongoimport --db yourDB --collection yourCappedCollection --file yourData.json<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-EIDzEEmBpW\">\u7e3d\u7d50<\/h2>\n<p>\u932f\u8aa4\u4ee3\u78bc &#8211; 136 &#8211; Capped\u4f4d\u7f6e\u4e1f\u5931\u662f\u4e00\u500b\u5e38\u898b\u7684MongoDB\u554f\u984c\uff0c\u901a\u5e38\u7531\u6578\u64da\u640d\u58de\u3001\u4e0d\u7576\u64cd\u4f5c\u6216\u7cfb\u7d71\u5d29\u6f70\u5f15\u8d77\u3002\u901a\u904e\u6aa2\u67e5\u6578\u64da\u6587\u4ef6\u3001\u4fee\u5fa9\u6578\u64da\u5eab\u6216\u91cd\u65b0\u5275\u5efaCapped Collection\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u6578\u64da\u5b58\u5132\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u60a8\u7684\u6578\u64da\u5b89\u5168\u548c\u53ef\u7528\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc136\uff1aCapped\u4f4d\u7f6e\u4e1f\u5931\uff0c\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\u548c\u6027\u80fd\u512a\u5316\u7684\u5be6\u7528\u6307\u5357\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-175733","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175733","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=175733"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175733\/revisions"}],"predecessor-version":[{"id":175734,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175733\/revisions\/175734"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=175733"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=175733"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=175733"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}