{"id":149982,"date":"2020-09-02T18:55:15","date_gmt":"2020-09-02T10:55:15","guid":{"rendered":"http:\/\/4563.org\/?p=149982"},"modified":"2020-09-02T18:55:15","modified_gmt":"2020-09-02T10:55:15","slug":"mongodb-%e5%88%a0%e9%99%a4%e6%80%a7%e8%83%bd%e9%97%ae%e9%a2%98%e8%af%b7%e6%95%99","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=149982","title":{"rendered":"mongodb \u5220\u9664\u6027\u80fd\u95ee\u9898\u8bf7\u6559"},"content":{"rendered":"
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mongodb \u5220\u9664\u6027\u80fd\u95ee\u9898\u8bf7\u6559 <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : dtgxx <\/span> <\/i> 21<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u5927\u4f6c\u4eec\uff0c\u76ee\u524d\u6211\u5728\u5220\u9664\u4e00\u4e9b mongo \u7684\u6570\u636e\uff0c\u6839\u636e ObjectID \u5220\u9664\uff0c\u6bcf\u4e00\u6b21\u5220\u9664 2000 \u6761\u3002<\/p>\n

\u4f7f\u7528 python \u811a\u672c pymongo delete_many<\/p>\n

\u4f46\u662f\u6027\u80fd\u4e0a\u5f88\u5dee\uff0c\u6bcf\u79d2\u5220\u9664\u5728\u51e0\u5341\u5230\u51e0\u767e\u6761\u6570\u636e\u3002<\/p>\n

\u6211\u770b\u5185\u5b58\u3001\u78c1\u76d8\u3001cpu \u7684\u538b\u529b\u90fd\u975e\u5e38\u5c0f\u3002\u3002\u4e0d\u77e5\u9053\u95ee\u9898\u5230\u5e95\u51fa\u5728\u54ea\u4e86\u3002\u3002\u6709\u4ec0\u4e48\u597d\u529e\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u5220\u9664\u7684\u6548\u7387\u5417\uff1f<\/p>\n

\u4e0d\u662f\u8f6f\u5220\u9664\uff0c\u662f\u771f\u6b63\u6309\u6570\u636e\u5220\u6389\u3002<\/p>\n<\/p><\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (21<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : rrfeng <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u770b\u4e0b\u76d1\u63a7 db.serverStatus \u91cc\u5173\u4e8e wiredTigerCache \u7684\u90e8\u5206 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : laminux29 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5e26\u6e90\u7801\u8c03\u8bd5\u4e00\u4e0b\uff0c\u4e0d\u5c31\u77e5\u9053\u74f6\u9888\u5728\u54ea\u4e86\u561b\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : libook <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u628a\u811a\u672c\u53d1\u4e0a\u6765\u770b\u4e00\u770b <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Vegetable <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4f60 objectid \u54ea\u6765\u7684\uff1f\u67e5\u51fa\u6765\u7684\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : dtgxx <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @rrfeng \u611f\u8c22\uff0c\u6ca1\u6709\u770b\u51fa\u6709\u4ec0\u4e48\u5f02\u5e38\u7684\u60c5\u51b5\u3002
    @laminux29 \u5e94\u8be5\u4e0d\u662f\u5e94\u7528\u5c42\u7684\u95ee\u9898\uff0c\u74f6\u9888\u4e0d\u5728\u4ee3\u7801\u4e0a\u3002
    @Vegetable \u56e0\u4e3a\u6570\u636e\u91cf\u6bd4\u8f83\u5927\uff0c\u4e4b\u524d\u628a ObjectID \u90fd\u6574\u7406\u5230\u53e6\u4e00\u4e2a\u96c6\u5408\u4e86\u3002\u4ece\u4e00\u4e2a\u96c6\u5408\u67e5\u8be2\uff0c\u7136\u540e\u5220\u9664\u3002
    @libook datacol.delete_many({‘_id’: {‘$in’: dup_list}})
    \u74f6\u9888\u5e94\u8be5\u662f\u5728\u4ece\u767e\u4ebf\u6570\u636e\u91cc\u9762\u67e5\u8be2\u5bf9\u5e94\u7684 objectid\uff0c\u7136\u540e\u5220\u9664\u3002\u771f\u7684\u662f\u975e\u5e38\u6162\u3002\u3002\u4e00\u79d2\u5c31\u80fd\u67e5\u8be2\u5230 300 \u5de6\u53f3\u7136\u540e\u5220\u9664\u6389\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : dtgxx <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e5f\u5c1d\u8bd5\u4e86\u591a\u7ebf\u7a0b\u3001\u591a\u8fdb\u7a0b\u7684\u65b9\u5f0f\uff0c\u6027\u80fd\u5c31\u53d8\u66f4\u6162\u4e86\u3002\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : asilin <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u53ef\u4ee5\u786e\u5b9a\u662f\u78c1\u76d8 IO \u74f6\u9888\uff0c\u5177\u4f53\u53ef\u4ee5\u7528 iostat \u547d\u4ee4\u770b\u4e0b\uff0c\u4f1a\u53d1\u73b0 IO \u4f7f\u7528\u7387\u63a5\u8fd1 100%\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : liprais <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    100 \u4ebf\u6570\u636e\u8fd8\u4e0d\u5982\u5148\u5bfc\u51fa\u518d\u5bfc\u5165\u5462 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : dtgxx <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @asilin #7 \u7528\u4e8e\u5220\u9664\u811a\u672c\u7684 io \u786e\u5b9e\u662f\u63a5\u8fd1 100%\uff0c\u4f46\u662f\u670d\u52a1\u5668\u78c1\u76d8\u7684\u541e\u5410\u624d\u4e0d\u8db3 10M \u6bcf\u79d2\uff0c\u8bf7\u6559\u4e0b\uff0c\u8fdb\u7a0b\u7684 io \u63a5\u8fd1 100%\u662f\u6307\u7ed9\u8fd9\u4e2a\u8fdb\u7a0b\u5206\u914d\u7684 io \u4f7f\u7528\u91cf\u88ab\u5360\u6ee1\u4e86\u5417\uff1f\u6211\u770b\u8fdc\u4e0d\u5230\u78c1\u76d8\u7684\u541e\u5410\u91cf\u3002
    @liprais \u6ca1\u592a\u7406\u89e3 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : libook <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    _id \u901a\u5e38\u662f\u9ed8\u8ba4\u6709\u7d22\u5f15\u7684\uff0c\u6240\u4ee5\u4f60\u5f97\u786e\u8ba4\u662f\u67e5\u8be2\u901f\u5ea6\u6162\uff0c\u8fd8\u662f\u5220\u9664\u7684\u65f6\u5019\u5199\u901f\u5ea6\u6162\u3002\u8fd9\u4e2a\u4f60\u53ef\u4ee5\u5728\u6570\u636e\u5e93\u672c\u5730\u7684 MongoShell \u5c1d\u8bd5 find 2000 \u6761\u6570\u636e\uff0c\u770b\u770b\u6267\u884c\u65f6\u95f4\u591a\u5c11\u3002\u5982\u679c\u5f88\u6162\u7684\u8bdd\uff0c\u770b\u770b\u7d22\u5f15\u662f\u5426\u6b63\u5e38\uff0c\u4ee5\u53ca\u662f\u5426\u5355\u4e2a\u7d22\u5f15\u592a\u5927\u4ee5\u81f3\u4e8e\u65e0\u6cd5\u5b8c\u5168\u7f13\u5b58\u5728\u5185\u5b58\u91cc\u3002\u5982\u679c\u5f88\u5feb\u7684\u8bdd\uff0c\u5c31\u770b\u770b\u662f\u4e0d\u662f\u5199\u901f\u5ea6\u95ee\u9898\u3002
    \u901a\u5e38\u6765\u8bf4\uff0c\u6709\u7d22\u5f15\u67e5\u8be2\u4f1a\u5feb\uff0c\u4f46\u662f\u7d22\u5f15\u8d8a\u591a\uff0c\u5199\u901f\u5ea6\u5c31\u8d8a\u6162\uff0c\u6240\u4ee5\u5f97\u770b\u770b\u8fd9\u4e2a Collection \u4e0a\u662f\u4e0d\u662f\u7d22\u5f15\u592a\u591a\u4e86\u3002<\/p>\n

    \u5982\u679c\u5728\u6570\u636e\u5e93\u672c\u5730\u7684 MongoShell \u91cc\u6d4b\u8bd5\u6027\u80fd\u5f88\u597d\uff0c\u5c31\u770b\u770b\u662f\u4e0d\u662f Python \u811a\u672c\u6267\u884c\u6548\u7387\u7684\u95ee\u9898\u6216\u7f51\u7edc\u7684\u95ee\u9898\u3002 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : misaka19000 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @dtgxx #9 \u4f60\u4ec0\u4e48\u786c\u76d8\uff1f\u662f\u4e0d\u662f\u65f6\u95f4\u592a\u957f\u4e86\u5bfc\u81f4\u786c\u76d8\u9650\u5236\u5199\u5165\u4e86<\/p>\n

    \u6211\u4e4b\u524d\u786c\u76d8\u4e09\u5e74\u9884\u8ba1\u5bff\u547d\u5230\u4e86\u4e4b\u540e\u81ea\u52a8\u9650\u5236\u5199\u5165\u901f\u5ea6\uff0c\u4e0d\u5f71\u54cd\u8bfb\u53d6\u901f\u5ea6 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : dtgxx <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @libook \u611f\u8c22\u5206\u4eab\u601d\u8def\u3002\u6211\u76ee\u524d\u4ece\u96c6\u5408 A \u67e5\u8be2 2000 \u6761 ObjectID \u52a0\u4e0a\u5904\u7406\u8fd9\u4e9b ID \u5927\u7ea6\u5728 500ms \u5de6\u53f3\uff0c\u5904\u7406\u540e\u7684 ObjectID \u5927\u7ea6\u5269\u4e0b 1500 \u6761\u5de6\u53f3\uff0c\u7136\u540e\u5f00\u59cb\u6267\u884c \u96c6\u5408 B.delete_many({‘_id’: {‘$in’: dup_list}}) \uff0c\u5c31\u975e\u5e38\u7684\u6162\u3002\u6211\u73b0\u5728\u4e0d\u592a\u597d\u5b9a\u4f4d\u5177\u4f53\u662f\u5728\u96c6\u5408 B \u67e5\u8be2 ObjectID \u592a\u6162\uff0c\u8fd8\u662f\u67e5\u8be2\u540e\u5220\u9664\u592a\u6162\u3002\u3002\u8fd9\u4e2a\u8bed\u53e5\u662f\u5e94\u8be5\u662f\u5728\u4e00\u4e2a\u4e8b\u52a1\u91cc\u7684\uff1f
    @misaka19000 \u786c\u76d8\u8fd8\u662f\u6bd4\u8f83\u65b0\u7684\uff0c\u4f7f\u7528\u4e86\u6ca1\u51e0\u4e2a\u6708\uff0c\u5e94\u8be5\u4e0d\u662f\u5199\u6027\u80fd\u7684\u9650\u5236\uff0c\u4e4b\u524d\u62f7\u8d1d\u6570\u636e\u7684\u65f6\u5019\uff0c\u80fd\u5230\u5230 200M\/s \u7684\u541e\u5410\u3002 \u4e0d\u8fc7\u76ee\u524d\u4e5f\u6709\u4e2a\u95ee\u9898\u6ca1\u67e5\u51fa\u6765\uff0c\u5c31\u662f\u7528 iotop\uff0c\u8fdb\u7a0b\u7684 io \u767e\u5206\u6bd4\u63a5\u8fd1 100%\uff0c\u4f46\u662f\u5b9e\u9645\u4e0a\u78c1\u76d8\u7684\u541e\u5410\u53ea\u6709\u51e0 M \u800c\u5df2\uff0c\u4e0d\u77e5\u9053\u8fd9\u4e2a\u767e\u5206\u6bd4\u662f\u600e\u4e48\u8ba1\u7b97\u7684\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : dtgxx <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @libook \u5965\u6211\u7406\u89e3\u4f60\u7684\u610f\u601d\u4e86\uff0c\u6211\u76f4\u63a5\u53bb find2000 \u4e2a\u6307\u5b9a\u7684 objectid \u8bd5\u8bd5\u901f\u5ea6\u53bb\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : matrix67 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @dtgxx #9 \u4e0d\u5e94\u8be5\u53ea\u770b\u5e26\u5bbd\uff0c\u8fd8\u8981\u770b\u4e0b iops \u662f\u5426\u6709\u74f6\u9888 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : opengps <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6709\u4e2a\u7269\u7406\u7ea6\u675f\uff1a\u786c\u76d8\uff0c\u4f60\u7528\u7684\u5565\u786c\u76d8\uff1f
    \u5982\u679c\u662f\u4e91\u670d\u52a1\u5668\u7684\u666e\u901a\u865a\u62df\u786c\u76d8\uff0c\u90a3\u4e48\u4ed6\u7684 io \u5f80\u5f80\u53ea\u6709\u666e\u901a 5400 \u8f6c\u786c\u76d8\u7684\u5341\u5206\u4e4b\u4e00\u5de6\u53f3 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : laminux29 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @dtgxx \u6211\u7684\u610f\u601d\u662f\uff0c\u4f60\u5bf9 MongoDB \u5e26\u6e90\u7801\u8c03\u8bd5\u3002\u4e0d\u662f\u8c03\u8bd5\u4f60\u7684\u7a0b\u5e8f\uff0c\u800c\u662f\u8c03\u8bd5 MongoDB \u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : dtgxx <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @libook \u901a\u8fc7 2000 \u4e2a objectid \u76f4\u63a5\u67e5\u8be2\uff0c\u77ac\u95f4\u5c31\u67e5\u8be2\u5230\u7ed3\u679c\u4e86\u3002\u5e94\u8be5\u662f\u5177\u4f53\u5220\u51fa\u7684\u65f6\u5019\uff0c\u975e\u5e38\u7684\u6162\u3002
    @matrix67 \u521a\u770b\u4e86\u4e0b iops\uff0c\u5f88\u6709\u9053\u7406\uff0c\u4f46\u662f\u521a\u521a\u627e\u4e86\u4e00\u4e0b\uff0c\u6ca1\u6709\u5bf9 iops \u7684\u67e5\u8be2\u5de5\u5177\uff0c\u60a8\u6709\u63a8\u8350\u5417\uff1f
    @opengps \u662f\u5e0c\u6377\u7684 7200 \u8f6c 6T \u76d8\uff0c\u7269\u7406\u670d\u52a1\u5668 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : libook <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @dtgxx \u4f60\u7528\u4f60\u7684 Python \u811a\u672c\u627e\u51fa 2000 \u4e2a\u5f85\u5220\u9664\u7684 ID\uff0c\u518d\u624b\u5de5\u4f7f\u7528 deleteMany \u5728 MongoShell \u91cc\u6267\u884c\u8bd5\u8bd5\uff0c\u5982\u679c\u4f9d\u7136\u5f88\u5feb\uff0c\u5c31\u57fa\u672c\u80fd\u8bf4\u660e\u662f Python \u811a\u672c\u6267\u884c\u6548\u7387\u7684\u95ee\u9898\u4e86\u3002
    \u6162\u7684\u8bdd\u5c31\u770b\u770b\u8fd9\u4e2a\u96c6\u5408\u662f\u4e0d\u662f\u7d22\u5f15\u592a\u591a\uff0c\u4ee5\u53ca\u770b\u770b IOPS\uff0c\u53ef\u4ee5\u8bd5\u8bd5 iostat \u6307\u4ee4 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : dtgxx <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @libook #18 \u8bd5\u4e86\u4e00\u4e0b\uff0cdeleteMany \u6bd4\u8f83\u6162\uff0c\u5927\u90e8\u5206\u65f6\u95f4\u90fd\u6d88\u8017\u5728\u8fd9\u91cc\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : leopod1995 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8bfb\u5e94\u8be5\u4e0d\u662f\u95ee\u9898\uff0c\u5e94\u8be5\u662f\u5199\u6027\u80fd\u592a\u5dee\u3002
    \u6027\u80fd\u95ee\u9898\u5e94\u8be5\u51fa\u5728\u5199 Oplog \u4e0a\uff0c \u53ef\u4ee5\u8003\u8651{ writeConcern: { w: 0}} <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : dtgxx <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @leopod1995 #20 \u5f00\u542f\u8fd9\u4e2a\u53c2\u6570\u4e4b\u540e\uff0c\u901f\u5ea6\u6709\u4e00\u70b9\u63d0\u5347\uff0c\u4e0d\u8fc7\u5f71\u54cd\u4e0d\u662f\u5f88\u5927\uff0c\u4e5f\u662f\u975e\u5e38\u611f\u8c22\uff01 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    mongodb \u5220\u9664\u6027\u80fd\u95ee\u9898\u8bf7\u6559 …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/149982"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=149982"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/149982\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=149982"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=149982"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=149982"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}