{"id":1141,"date":"2011-12-02T10:11:00","date_gmt":"2011-12-02T02:11:00","guid":{"rendered":"\/?p=1141"},"modified":"2011-12-02T10:11:00","modified_gmt":"2011-12-02T10:11:00","slug":"1141","status":"publish","type":"post","link":"https:\/\/blog.vimge.com\/archives\/nosql\/1141.html","title":{"rendered":"MongoDB\u8fd0\u884c\u72b6\u6001\u3001\u6027\u80fd\u76d1\u63a7\uff0c\u5206\u6790"},"content":{"rendered":"<p>\u4f7f\u7528\u4efb\u4f55\u4e00\u4e2a\u4ea7\u54c1\uff0c\u5fc5\u4e0d\u53ef\u5c11\u7684\u4e00\u9879\u5de5\u4f5c\u5c31\u662f\u5bf9\u5b58\u50a8\u7684<span><a href=\"http:\/\/blog.nosqlfan.com\/tags\/%e7%9b%91%e6%8e%a7\" title=\"\u67e5\u770b \u76d1\u63a7 \u7684\u5168\u90e8\u6587\u7ae0\" target=\"_blank\">\u76d1\u63a7<\/a><\/span>\uff0c\u76d1\u63a7\u53ef\u4ee5\u8ba9\u4f60\u66f4\u4e86\u89e3\u5b58\u50a8\u7684\u8fd0\u4f5c\u65b9\u5f0f\uff0c\u8ba9\u4f60\u66f4\u65e9\u7684\u53d1\u73b0\u4f7f\u7528\u4e0a\u7684\u95ee\u9898\uff0c\u4e0b\u9762\u6587\u7ae0\u8f6c\u81ea<a href=\"http:\/\/tech.lezi.com\/\">\u6cdb\u57ce\u79d1\u6280\u6280\u672f\u535a\u5ba2<\/a>\uff0c\u5bf9<span><a href=\"http:\/\/blog.nosqlfan.com\/tags\/mongodb\" title=\"\u67e5\u770b MongoDB \u7684\u5168\u90e8\u6587\u7ae0\" target=\"_blank\">MongoDB<\/a><\/span>\u7684\u76d1\u63a7\u505a\u4e86\u8be6\u7ec6\u6df1\u5165\u7684\u63a2\u8ba8\u3002\u63a8\u8350\u7ed9\u5404\u4f4d\u4f7f\u7528MongoDB\u7684\u670b\u53cb\u3002<\/p>\n<p>\u539f\u6587\u94fe\u63a5\uff1a<a href=\"http:\/\/tech.lezi.com\/archives\/290\" target=\"_blank\">tech.lezi.com<\/a><\/p>\n<p>\u8fd9\u7bc7\u6587\u7ae0\u7684\u76ee\u7684\u662f\u8ba9\u4f60\u77e5\u9053\u600e\u4e48\u4e86\u89e3\u4f60\u6b63\u5728\u8fd0\u884c\u7684Mongdb\u662f\u5426\u5065\u5eb7\u3002<\/p>\n<h3><span><a href=\"http:\/\/blog.nosqlfan.com\/tags\/mongostat\" title=\"\u67e5\u770b mongostat \u7684\u5168\u90e8\u6587\u7ae0\" target=\"_blank\">mongostat<\/a><\/span>\u8be6\u89e3<\/h3>\n<p>mongostat\u662fmongdb\u81ea\u5e26\u7684\u72b6\u6001\u68c0\u6d4b\u5de5\u5177\uff0c\u5728\u547d\u4ee4\u884c\u4e0b\u4f7f\u7528\u3002\u5b83\u4f1a\u95f4\u9694\u56fa\u5b9a\u65f6\u95f4\u83b7\u53d6mongodb\u7684\u5f53\u524d\u8fd0\u884c\u72b6\u6001\uff0c\u5e76\u8f93\u51fa\u3002\u5982\u679c\u4f60\u53d1\u73b0\u6570\u636e\u5e93\u7a81\u7136\u53d8\u6162\u6216\u8005\u6709\u5176\u4ed6\u95ee\u9898\u7684\u8bdd\uff0c\u4f60\u7b2c\u4e00\u624b\u7684\u64cd\u4f5c\u5c31\u8003\u8651\u91c7\u7528mongostat\u6765\u67e5\u770bmongo\u7684\u72b6\u6001\u3002<\/p>\n<p><img loading=\"lazy\" src=\"http:\/\/doophp-wordpress.stor.sinaapp.com\/uploads\/old\/20111227103441_51465.jpg\" width=\"500\" height=\"78\" \/><\/p>\n<p>\u5b83\u7684\u8f93\u51fa\u6709\u4ee5\u4e0b\u51e0\u5217\uff1a<\/p>\n<ul>\n<li>inserts\/s \u6bcf\u79d2\u63d2\u5165\u6b21\u6570<\/li>\n<li>query\/s \u6bcf\u79d2\u67e5\u8be2\u6b21\u6570<\/li>\n<li>update\/s \u6bcf\u79d2\u66f4\u65b0\u6b21\u6570<\/li>\n<li>delete\/s \u6bcf\u79d2\u5220\u9664\u6b21\u6570<\/li>\n<li>getmore\/s \u6bcf\u79d2\u6267\u884cgetmore\u6b21\u6570<\/li>\n<li>command\/s \u6bcf\u79d2\u7684\u547d\u4ee4\u6570\uff0c\u6bd4\u4ee5\u4e0a\u63d2\u5165\u3001\u67e5\u627e\u3001\u66f4\u65b0\u3001\u5220\u9664\u7684\u7efc\u5408\u8fd8\u591a\uff0c\u8fd8\u7edf\u8ba1\u4e86\u522b\u7684\u547d\u4ee4<\/li>\n<li>flushs\/s \u6bcf\u79d2\u6267\u884cfsync\u5c06\u6570\u636e\u5199\u5165\u786c\u76d8\u7684\u6b21\u6570\u3002<\/li>\n<li>mapped\/s \u6240\u6709\u7684\u88abmmap\u7684\u6570\u636e\u91cf\uff0c\u5355\u4f4d\u662fMB\uff0c<\/li>\n<li>vsize \u865a\u62df\u5185\u5b58\u4f7f\u7528\u91cf\uff0c\u5355\u4f4dMB<\/li>\n<li>res \u7269\u7406\u5185\u5b58\u4f7f\u7528\u91cf\uff0c\u5355\u4f4dMB<\/li>\n<li>faults\/s \u6bcf\u79d2\u8bbf\u95ee\u5931\u8d25\u6570\uff08\u53ea\u6709Linux\u6709\uff09\uff0c\u6570\u636e\u88ab\u4ea4\u6362\u51fa\u7269\u7406\u5185\u5b58\uff0c\u653e\u5230swap\u3002\u4e0d\u8981\u8d85\u8fc7100\uff0c\u5426\u5219\u5c31\u662f\u673a\u5668\u5185\u5b58\u592a\u5c0f\uff0c\u9020\u6210\u9891\u7e41swap\u5199\u5165\u3002\u6b64\u65f6\u8981\u5347\u7ea7\u5185\u5b58\u6216\u8005\u6269\u5c55<\/li>\n<li>locked % \u88ab\u9501\u7684\u65f6\u95f4\u767e\u5206\u6bd4\uff0c\u5c3d\u91cf\u63a7\u5236\u572850%\u4ee5\u4e0b\u5427<\/li>\n<li>idx miss % \u7d22\u5f15\u4e0d\u547d\u4e2d\u6240\u5360\u767e\u5206\u6bd4\u3002\u5982\u679c\u592a\u9ad8\u7684\u8bdd\u5c31\u8981\u8003\u8651\u7d22\u5f15\u662f\u4e0d\u662f\u5c11\u4e86<\/li>\n<li>q t|r|w \u5f53Mongodb\u63a5\u6536\u5230\u592a\u591a\u7684\u547d\u4ee4\u800c\u6570\u636e\u5e93\u88ab\u9501\u4f4f\u65e0\u6cd5\u6267\u884c\u5b8c\u6210\uff0c\u5b83\u4f1a\u5c06\u547d\u4ee4\u52a0\u5165\u961f\u5217\u3002\u8fd9\u4e00\u680f\u663e\u793a\u4e86\u603b\u5171\u3001\u8bfb\u3001\u51993\u4e2a\u961f\u5217\u7684\u957f\u5ea6\uff0c\u90fd\u4e3a0\u7684\u8bdd\u8868\u793amongo\u6beb\u65e0\u538b\u529b\u3002\u9ad8\u5e76\u53d1\u65f6\uff0c\u4e00\u822c\u961f\u5217\u503c\u4f1a\u5347\u9ad8\u3002<\/li>\n<li>conn \u5f53\u524d\u8fde\u63a5\u6570<\/li>\n<li>time \u65f6\u95f4\u6233<\/li>\n<\/ul>\n<h3>\u4f7f\u7528profiler<\/h3>\n<p>\u7c7b\u4f3c\u4e8eMySQL\u7684slow log, MongoDB\u53ef\u4ee5\u76d1\u63a7\u6240\u6709\u6162\u7684\u4ee5\u53ca\u4e0d\u6162\u7684\u67e5\u8be2\u3002<\/p>\n<p><img loading=\"lazy\" src=\"http:\/\/doophp-wordpress.stor.sinaapp.com\/uploads\/old\/20111227103444_82022.jpg\" width=\"500\" height=\"220\" \/><\/p>\n<p><span><a href=\"http:\/\/blog.nosqlfan.com\/tags\/profiler\" title=\"\u67e5\u770b Profiler \u7684\u5168\u90e8\u6587\u7ae0\" target=\"_blank\">Profiler<\/a><\/span>\u9ed8\u8ba4\u662f\u5173\u95ed\u7684\uff0c\u4f60\u53ef\u4ee5\u9009\u62e9\u5168\u90e8\u5f00\u542f\uff0c\u6216\u8005\u6709\u6162\u67e5\u8be2\u7684\u65f6\u5019\u5f00\u542f\u3002<\/p>\n<pre>&gt; use testswitched to db test&gt; db.setProfilingLevel(2);{&quot;was&quot; : 0 , &quot;slowms&quot; : 100, &quot;ok&quot; : 1} \/\/ &quot;was&quot; is the old setting&gt; db.getProfilingLevel()<\/pre>\n<p>\u67e5\u770bProfile\u65e5\u5fd7<\/p>\n<pre>&gt; db.system.profile.find().sort({$natural:-1}){&quot;ts&quot; : &quot;Thu Jan 29 2009 15:19:32 GMT-0500 (EST)&quot; , &quot;info&quot; :&quot;query test.$cmd ntoreturn:1 reslen:66 nscanned:0 query: { profile: 2 } nreturned:1 bytes:50&quot; ,&quot;millis&quot; : 0} ...<\/pre>\n<p>3\u4e2a\u5b57\u6bb5\u7684\u610f\u4e49<\/p>\n<ul>\n<li>ts\uff1a\u65f6\u95f4\u6233<\/li>\n<li>info\uff1a\u5177\u4f53\u7684\u64cd\u4f5c<\/li>\n<li>millis\uff1a\u64cd\u4f5c\u6240\u82b1\u65f6\u95f4\uff0c\u6beb\u79d2<\/li>\n<\/ul>\n<p>\u4e0d\u591a\u8bf4\uff0c\u6b64\u5904\u6709<a href=\"http:\/\/www.mongodb.org\/display\/DOCS\/Database+Profiler\" target=\"_blank\">\u5b98\u65b9\u6587\u6863<\/a>\u3002\u6ce8\u610f\uff0c\u9020\u6210\u6ee1\u67e5\u8be2\u53ef\u80fd\u662f\u7d22\u5f15\u7684\u95ee\u9898\uff0c\u4e5f\u53ef\u80fd\u662f\u6570\u636e\u4e0d\u5728\u5185\u5b58\u9020\u6210\u56e0\u6b64\u78c1\u76d8\u8bfb\u5165\u9020\u6210\u3002<\/p>\n<h3>\u4f7f\u7528Web\u63a7\u5236\u53f0<\/h3>\n<p><a href=\"http:\/\/tech.lezi.com\/wp-content\/uploads\/2011\/10\/mongod-localhost.png\"><\/a>Mongodb\u81ea\u5e26\u4e86Web\u63a7\u5236\u53f0\uff0c\u9ed8\u8ba4\u548c\u6570\u636e\u670d\u52a1\u4e00\u540c\u5f00\u542f\u3002\u4ed6\u7684\u7aef\u53e3\u5728Mongodb\u6570\u636e\u5e93\u670d\u52a1\u5668\u7aef\u53e3\u7684\u57fa\u7840\u4e0a\u52a01000\uff0c\u5982\u679c\u662f\u9ed8\u8ba4\u7684Mongodb\u6570\u636e\u670d\u52a1\u7aef\u53e3(Which is 27017)\uff0c\u5219\u76f8\u5e94\u7684Web\u7aef\u53e3\u4e3a28017<\/p>\n<p><img loading=\"lazy\" src=\"http:\/\/doophp-wordpress.stor.sinaapp.com\/uploads\/old\/20111227103447_57887.jpg\" width=\"499\" height=\"500\" \/><\/p>\n<p>\u8fd9\u4e2a\u9875\u9762\u53ef\u4ee5\u770b\u5230<\/p>\n<ul>\n<li>\u5f53\u524dMongodb\u7684\u6240\u6709\u8fde\u63a5<\/li>\n<li>\u5404\u4e2a\u6570\u636e\u5e93\u548cCollection\u7684\u8bbf\u95ee\u7edf\u8ba1\uff0c\u5305\u62ec\uff1aReads, Writes, Queries, GetMores ,Inserts, Updates, Removes<\/li>\n<li>\u5199\u9501\u7684\u72b6\u6001<\/li>\n<li>\u4ee5\u53ca\u65e5\u5fd7\u6587\u4ef6\u7684\u6700\u540e\u51e0\u767e\u884c\uff08CentOS+10gen yum \u5b89\u88c5\u7684mongodb\u9ed8\u8ba4\u7684\u65e5\u5fd7\u6587\u4ef6\u4f4d\u4e8e\/var\/log\/mongo\/mongod.log)<\/li>\n<\/ul>\n<p>\u53ef\u4ee5\u53c2\u8003\u53f3\u8fb9\u7684\u622a\u56fe<\/p>\n<h3>db.stat()<\/h3>\n<p>\u83b7\u53d6\u5f53\u524d\u6570\u636e\u5e93\u7684\u4fe1\u606f\uff0c\u6bd4\u5982Obj\u603b\u6570\u3001\u6570\u636e\u5e93\u603b\u5927\u5c0f\u3001\u5e73\u5747Obj\u5927\u5c0f\u7b49<\/p>\n<pre>&gt; use testswitched to db test&gt; db.stats(){&nbsp;&nbsp; &nbsp;&quot;collections&quot; : 9,&nbsp;&nbsp; &nbsp;&quot;objects&quot; : 4278845,&nbsp;&nbsp; &nbsp;&quot;avgObjSize&quot; : 224.56603031892953,&nbsp;&nbsp; &nbsp;&quot;dataSize&quot; : 960883236,&nbsp;&nbsp; &nbsp;&quot;storageSize&quot; : 1195438080,&nbsp;&nbsp; &nbsp;&quot;numExtents&quot; : 59,&nbsp;&nbsp; &nbsp;&quot;indexes&quot; : 13,&nbsp;&nbsp; &nbsp;&quot;indexSize&quot; : 801931264,&nbsp;&nbsp; &nbsp;&quot;fileSize&quot; : 6373244928,&nbsp;&nbsp; &nbsp;&quot;ok&quot; : 1}<\/pre>\n<h3>db.serverStatus()<\/h3>\n<p>\u83b7\u53d6\u670d\u52a1\u5668\u7684\u72b6\u6001<\/p>\n<pre>{&nbsp;&nbsp; &nbsp;&quot;version&quot; : &quot;1.6.5&quot;,&nbsp;&nbsp; &nbsp;&quot;uptime&quot; : 7208469,&nbsp;&nbsp; &nbsp;&quot;uptimeEstimate&quot; : 7138829,&nbsp;&nbsp; &nbsp;&quot;localTime&quot; : &quot;Wed Oct 26 2011 22:23:07 GMT+0800 (CST)&quot;,&nbsp;&nbsp; &nbsp;&quot;globalLock&quot; : {&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;totalTime&quot; : 7208469556704,&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;lockTime&quot; : 4959693717,&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;ratio&quot; : 0.000688036992871448,&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;currentQueue&quot; : {&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;total&quot; : 0,&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;readers&quot; : 0,&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;writers&quot; : 0&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;}&nbsp;&nbsp; &nbsp;},&nbsp;&nbsp; &nbsp;&quot;mem&quot; : {&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;bits&quot; : 64,&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;resident&quot; : 3131,&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;virtual&quot; : 6172,&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;supported&quot; : true,&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;mapped&quot; : 4927&nbsp;&nbsp; &nbsp;},&nbsp;&nbsp; &nbsp;&quot;connections&quot; : {&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;current&quot; : 402,&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;available&quot; : 2599&nbsp;&nbsp; &nbsp;},&nbsp;&nbsp; &nbsp;&quot;extra_info&quot; : {&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;note&quot; : &quot;fields vary by platform&quot;,&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;heap_usage_bytes&quot; : 832531920,&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;page_faults&quot; : 8757&nbsp;&nbsp; &nbsp;},&nbsp;&nbsp; &nbsp;&quot;indexCounters&quot; : {&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;btree&quot; : {&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;accesses&quot; : 2821726,&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;hits&quot; : 2821725,&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;misses&quot; : 1,&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;resets&quot; : 0,&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;missRatio&quot; : 3.543930204420982e-7&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;}&nbsp;&nbsp; &nbsp;},&nbsp;&nbsp; &nbsp;&quot;backgroundFlushing&quot; : {&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;flushes&quot; : 120133,&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;total_ms&quot; : 73235923,&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;average_ms&quot; : 609.6236920746173,&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;last_ms&quot; : 1332,&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;last_finished&quot; : &quot;Wed Oct 26 2011 22:22:23 GMT+0800 (CST)&quot;&nbsp;&nbsp; &nbsp;},&nbsp;&nbsp; &nbsp;&quot;cursors&quot; : {&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;totalOpen&quot; : 0,&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;clientCursors_size&quot; : 0,&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;timedOut&quot; : 238392&nbsp;&nbsp; &nbsp;},&nbsp;&nbsp; &nbsp;&quot;repl&quot; : {&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;ismaster&quot; : true&nbsp;&nbsp; &nbsp;},&nbsp;&nbsp; &nbsp;&quot;opcounters&quot; : {&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;insert&quot; : 269351,&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;query&quot; : 19331151,&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;update&quot; : 14199331,&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;delete&quot; : 1,&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;getmore&quot; : 145575,&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;command&quot; : 55982302&nbsp;&nbsp; &nbsp;},&nbsp;&nbsp; &nbsp;&quot;asserts&quot; : {&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;regular&quot; : 0,&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;warning&quot; : 0,&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;msg&quot; : 0,&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;user&quot; : 27,&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&quot;rollovers&quot; : 0&nbsp;&nbsp; &nbsp;},&nbsp;&nbsp; &nbsp;&quot;ok&quot; : 1}<\/pre>\n<p>\u9700\u8981\u5173\u5fc3\u7684\u5730\u65b9\uff1a<\/p>\n<ul>\n<li>connections \u5f53\u524d\u8fde\u63a5\u548c\u53ef\u7528\u8fde\u63a5\u6570\uff0c\u542c\u8fc7\u4e00\u4e2a\u540c\u884c\u4ecb\u7ecd\u8fc7\uff0cmongodb\u6700\u5927\u5904\u7406\u52302000\u4e2a\u8fde\u63a5\u5c31\u4e0d\u884c\u4e86\uff08\u8981\u6839\u636e\u4f60\u7684\u673a\u5668\u6027\u80fd\u548c\u4e1a\u52a1\u6765\u8bbe\u5b9a\uff09\uff0c\u6240\u4ee5\u8bbe\u5927\u4e86\u6ca1\u610f\u4e49\u3002\u8bbe\u4e2a\u5408\u7406\u503c\u7684\u8bdd\uff0c\u5230\u8fbe\u8fd9\u4e2a\u503cmongodb\u5c31\u62d2\u7edd\u65b0\u7684\u8fde\u63a5\u8bf7\u6c42\uff0c\u907f\u514d\u88ab\u592a\u591a\u7684\u8fde\u63a5\u62d6\u57ae\u3002<\/li>\n<li>indexCounters:btree:misses \u7d22\u5f15\u7684\u4e0d\u547d\u4e2d\u6570\uff0c\u548chits\u7684\u6bd4\u4f8b\u9ad8\u5c31\u8981\u8003\u8651\u7d22\u5f15\u662f\u5426\u6b63\u786e\u5efa\u7acb\u3002\u4f60\u770b\u6211\u7684\u201dmissRatio\u201d : 3.543930204420982e-7\uff0c\u5f88\u5065\u5eb7\u5427\u3002\u6240\u4ee5miss\u7387\u5728mongostat\u91cc\u9762\u4e5f\u53ef\u4ee5\u770b<\/li>\n<li>\u5176\u4ed6\u7684\u90fd\u80fd\u81ea\u89e3\u91ca\uff0c\u4e5f\u4e0d\u662f\u67e5\u770bmongo\u5065\u5eb7\u72b6\u51b5\u7684\u5173\u952e\uff0c\u5c31\u4e0d\u8bf4\u660e\u4e86\u3002<\/li>\n<\/ul>\n<h3>db.currentOp()<\/h3>\n<p>Mongodb \u7684\u547d\u4ee4\u4e00\u822c\u5f88\u5feb\u5c31\u5b8c\u6210\uff0c\u4f46\u662f\u5728\u4e00\u53f0\u7e41\u5fd9\u7684\u673a\u5668\u6216\u8005\u6709\u6bd4\u8f83\u6162\u7684\u547d\u4ee4\u65f6\uff0c\u4f60\u53ef\u4ee5\u901a\u8fc7db.currentOp()\u83b7\u53d6\u5f53\u524d\u6b63\u5728\u6267\u884c\u7684\u64cd\u4f5c\u3002<\/p>\n<p>\u5728\u6ca1\u6709\u8d1f\u8f7d\u7684\u673a\u5668\u4e0a\uff0c\u8be5\u547d\u4ee4\u57fa\u672c\u4e0a\u90fd\u662f\u8fd4\u56de\u7a7a\u7684<\/p>\n<pre>&gt;&nbsp; db.currentOp(){ &quot;inprog&quot; : [ ] }<\/pre>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u6709\u8d1f\u8f7d\u7684\u673a\u5668\u4e0a\u5f97\u5230\u7684\u8fd4\u56de\u503c\u6837\u4f8b\uff1a<\/p>\n<pre>{ &quot;opid&quot; : &quot;shard3:466404288&quot;, &quot;active&quot; : false, &quot;waitingForLock&quot; : false, &quot;op&quot; : &quot;query&quot;, &quot;ns&quot; : &quot;sd.usersEmails&quot;, &quot;query&quot; : { }, &quot;client_s&quot; : &quot;10.121.13.8:34473&quot;, &quot;desc&quot; : &quot;conn&quot; },<\/pre>\n<p>\u5b57\u6bb5\u540d\u5b57\u90fd\u80fd\u81ea\u89e3\u91ca\u3002\u5982\u679c\u4f60\u53d1\u73b0\u4e00\u4e2a\u64cd\u4f5c\u592a\u957f\uff0c\u628a\u6570\u636e\u5e93\u5361\u6b7b\u7684\u8bdd\uff0c\u53ef\u4ee5\u7528\u8fd9\u4e2a\u547d\u4ee4\u6740\u6b7b\u4ed6<\/p>\n<pre>&gt; db.killOp(&quot;shard3:466404288&quot;)<\/pre>\n<h3>MongoDB Monitoring Service<\/h3>\n<p><img loading=\"lazy\" src=\"http:\/\/doophp-wordpress.stor.sinaapp.com\/uploads\/old\/20111227103450_95166.jpg\" width=\"500\" height=\"325\" \/><\/p>\n<p>MongoDB Monitoring Service(<span><a href=\"http:\/\/blog.nosqlfan.com\/tags\/mms\" title=\"\u67e5\u770b MMS \u7684\u5168\u90e8\u6587\u7ae0\" target=\"_blank\">MMS<\/a><\/span>)\u662fMongodb\u5382\u5546\u63d0\u4f9b\u7684\u76d1\u63a7\u670d\u52a1\uff0c\u53ef\u4ee5\u5728\u7f51\u9875\u548cAndroid\u5ba2\u6237\u7aef\u4e0a\u76d1\u63a7\u4f60\u7684MongoDB\u72b6\u51b5\u3002\u8bf7<a href=\"http:\/\/blog.nosqlfan.com\/html\/3171.html\" target=\"_blank\">\u53c2\u8003<\/a>\u3002\u4e0d\u77e5\u9053\u662f\u4e60\u60ef\u8fd8\u662f\u4ec0\u4e48\u539f\u56e0\uff0cMMS\u63d0\u4f9b\u7684\u5728\u7ebf\u670d\u52a1\u603b\u89c9\u5f97\u6ca1\u6709\u63d0\u4f9b\u7a0b\u5e8f\u7531\u4f7f\u7528\u8005\u642d\u5efa\u73af\u5883\u9760\u8c31\uff0c\u6539\u5929\u4f53\u9a8c\u4e00\u4e0b\u6548\u679c\u518d\u62a5\u544a\u3002<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528\u4efb\u4f55\u4e00\u4e2a\u4ea7\u54c1\uff0c\u5fc5\u4e0d\u53ef\u5c11\u7684\u4e00\u9879\u5de5\u4f5c\u5c31\u662f\u5bf9\u5b58\u50a8\u7684<span><a href=\"http:\/\/blog.nosqlfan.com\/tags\/%e7%9b%91%e6%8e%a7\" title=\"\u67e5\u770b \u76d1\u63a7 \u7684\u5168\u90e8\u6587\u7ae0\" target=\"_blank\">\u76d1\u63a7<\/a><\/span>\uff0c\u76d1\u63a7\u53ef\u4ee5\u8ba9\u4f60\u66f4\u4e86\u89e3\u5b58\u50a8\u7684\u8fd0\u4f5c\u65b9\u5f0f\uff0c\u8ba9\u4f60\u66f4\u65e9\u7684\u53d1\u73b0\u4f7f\u7528\u4e0a\u7684\u95ee\u9898\uff0c\u4e0b\u9762\u6587\u7ae0\u8f6c\u81ea<a href=\"http:\/\/tech.lezi.com\/\">\u6cdb\u57ce\u79d1\u6280\u6280\u672f\u535a\u5ba2<\/a>\uff0c\u5bf9<span><a href=\"http:\/\/blog.nosqlfan.com\/tags\/mongodb\" title=\"\u67e5\u770b MongoDB \u7684\u5168\u90e8\u6587\u7ae0\" target=\"_blank\">MongoDB<\/a><\/span>\u7684\u76d1\u63a7\u505a\u4e86\u8be6\u7ec6\u6df1\u5165\u7684\u63a2<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.vimge.com\/wp-json\/wp\/v2\/posts\/1141"}],"collection":[{"href":"https:\/\/blog.vimge.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.vimge.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.vimge.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.vimge.com\/wp-json\/wp\/v2\/comments?post=1141"}],"version-history":[{"count":0,"href":"https:\/\/blog.vimge.com\/wp-json\/wp\/v2\/posts\/1141\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.vimge.com\/wp-json\/wp\/v2\/media?parent=1141"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.vimge.com\/wp-json\/wp\/v2\/categories?post=1141"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.vimge.com\/wp-json\/wp\/v2\/tags?post=1141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}