{"id":308,"date":"2012-02-16T20:42:42","date_gmt":"2012-02-16T12:42:42","guid":{"rendered":"http:\/\/www.royalwzy.com\/?p=308"},"modified":"2014-01-16T20:57:23","modified_gmt":"2014-01-16T12:57:23","slug":"mongodb%e5%ad%a6%e4%b9%a001-linux%e4%b8%8b%e5%ae%89%e8%a3%85mongodb-v2-2","status":"publish","type":"post","link":"http:\/\/www.royalwzy.com\/?p=308","title":{"rendered":"MongoDB\u5b66\u4e6001–Linux\u4e0b\u5b89\u88c5MongoDB v2.2"},"content":{"rendered":"
Linux\u4e0b\u5b89\u88c5MangoDB<\/p>\n
\n
    \n
  1. \u5b98\u7f51\u5730\u5740:http:\/\/www.mongodb.org<\/a>;<\/li>\n
  2. \u4e0b\u8f7d\u6587\u4ef6:\u4ecehttp:\/\/www.mongodb.org\/downloads<\/a>\u9875\u9762\u4e0b\u8f7d\u76f8\u5e94\u7684\u7248\u672c,\u8fd9\u91cc\u9009\u62e9linux\u4e0b32bit\u76842.2.4\u7248\u672c;<\/li>\n
  3. \u89e3\u538b\u6587\u4ef6:tar -zxvf \/tools\/mongodb-linux-i686-2.2.4.tgz;<\/li>\n
  4. \u4fee\u6539\u6587\u4ef6\u540d,\u5e76\u79fb\u52a8\u5230\/usr\/local\u76ee\u5f55\u4e0b:mv mongodb-linux-i686-2.2.4 mongodb; cp -R\u00a0 \/tools\/mongodb \/usr\/local\/;<\/li>\n
  5. \u628amangodb\u7684\u8def\u5f84\u6dfb\u52a0\u5230path\u4e2d:PATH=$PATH:\/usr\/local\/mongodb\/bin;<\/li>\n
  6. \u542f\u52a8mongod\u670d\u52a1\u5e76\u4fee\u6539\u9ed8\u8ba4\u6570\u636e\u76ee\u5f55:\n
      \n
    1. mongodb\u9ed8\u8ba4\u7684\u6570\u636e\u6587\u4ef6\u7684\u8def\u5f84\u662f\/data\/db,\u9700\u8981\u9884\u5148\u521b\u5efa,\u5982\u679c\u4f7f\u7528\u7684\u662fmongo\u7528\u6237\u7684\u8bdd,\u9700\u8981\u4fee\u6539\u6b64\u76ee\u5f55\u7684\u6743\u9650:chown mongo \/data\/db;<\/li>\n
    2. \u4fee\u6539\u6570\u636e\u6587\u4ef6\u7684\u8def\u5f84:mkdir -p \/mongo\/data\/journal;mongod –journal –dbpath \/mongo\/data\/<\/span>;(\u9ed8\u8ba4\u662f\u4e0d\u5f00\u542fjournal\u529f\u80fd\u7684,\u53ef\u4ee5\u6307\u5b9a\u53c2\u6570\u6253\u5f00) \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0\"\"<\/li>\n
    3. \u8bbf\u95ee\u76f8\u5e94\u7684\u7aef\u53e3\u67e5\u770b\u4fe1\u606f:http:\/\/192.168.10.112:28017\/<\/a>; \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\"\"<\/li>\n<\/ol>\n<\/li>\n
    4. \u4f7f\u7528\u914d\u7f6e\u6587\u4ef6\u65b9\u5f0f\u542f\u52a8mongod\u670d\u52a1,\u6bcf\u6b21\u542f\u52a8\u90fd\u9700\u8981\u8f93\u5165\u5f88\u957f\u7684\u53c2\u6570\u6bd4\u8f83\u9ebb\u70e6,\u53ef\u4ee5\u628a\u53c2\u6570\u5199\u5728\/etc\/mongod.conf\u6587\u4ef6\u4e2d,\u7136\u540e\u91c7\u7528:mongod -f \/etc\/mongod.conf\u7684\u65b9\u5f0f\u542f\u52a8; \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0\"\"\"\"<\/li>\n
    5. \u767b\u9646\u5ba2\u6237\u7aef,\u4f7f\u7528mongo\u547d\u4ee4,\u540c\u65f6\u4e5f\u662fjs\u7684\u7f16\u8f91\u5668(\u53ef\u4ee5\u4f7f\u7528\u4e00\u5207js\u7684\u8bed\u6cd5),\u9ed8\u8ba4\u8fde\u63a5test\u6570\u636e\u5e93;(\u4f7f\u7528SecureCRT\u7684\u8bdd,\u547d\u4ee4\u603b\u662f\u4f1a\u91cd\u590d\u4e00\u6b21,\u63a8\u8350\u4f7f\u7528xshell) \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0\"\"<\/li>\n
    6. \u83b7\u5f97\u5e2e\u52a9,\u4f7f\u7528help\u547d\u4ee4; \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0\"\"<\/li>\n
    7. \u5173\u95edmongod\u670d\u52a1:mongod –dbpath \/mongo\/data –shutdown; \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0\"\"<\/li>\n
    8. \u5982\u679c\u975e\u6cd5\u5173\u95ed\u540e\u518d\u6b21\u6253\u5f00\u65f6\u62a5\u9519:mongod –journal –dbpath=\/mongo\/data,\u6b64\u65f6\u9700\u8981\u5220\u9664rm -rf \/mongo\/data\/mongod.lock\u6587\u4ef6,\u7136\u540e\u518d\u6253\u5f00; \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\"\"\"\"<\/li>\n
    9. \u5bf9MongoDB\u7684\u57fa\u672cCRUD\u64cd\u4f5c:\n
        \n
      1. \u63d2\u5165\u4e00\u4e2a\u96c6\u5408,\u662f\u4ee5bson(json\u7684\u6269\u5c55)\u7684\u5f62\u5f0f\u63d2\u5165\u7684; \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\"\"<\/li>\n
      2. find\u64cd\u4f5c,_id\u5b57\u6bb5\u662f\u6570\u636e\u5e93\u9ed8\u8ba4\u52a0\u7684guid,\u76ee\u7684\u662f\u4fdd\u8bc1\u6570\u636e\u7684\u552f\u4e00\u6027; \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\"\"<\/li>\n
      3. update\u64cd\u4f5c,\u7b2c\u4e00\u4e2a\u53c2\u6570\u4e3a\u67e5\u627e\u7684\u6761\u4ef6,\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4e3a\u66f4\u65b0\u7684\u503c; \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0\"\"<\/li>\n
      4. remove\u64cd\u4f5c,\u5982\u679c\u4e0d\u52a0\u53c2\u6570\u5c31\u4f1a\u5220\u9664\u6240\u6709\u7684\u6570\u636e,\u800c\u4e14\u4e0d\u80fd\u56de\u6eda; \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\"\"<\/li>\n<\/ol>\n<\/li>\n
      5. \u5b98\u65b9\u7ed9\u5b9a\u7684\u4f7f\u7528mongodb\u7684\u4e00\u4e9b\u5efa\u8bae:\n
          \n
        1. MongoDB\u5206\u621032\u4f4d\u7248\u672c\u548c64\u4f4d\u7248\u672c,\u7531\u4e8eMongoDB\u4f7f\u7528\u5185\u5b58\u6620\u5c04\u6587\u4ef6,\u6240\u4ee532\u4f4d\u7248\u672c\u53ea\u80fd\u5b58\u50a82GB\u5de6\u53f3\u7684\u6570\u636e;\u5efa\u8bae\u5b58\u50a8\u66f4\u591a\u6570\u636e\u7684\u7528\u6237\u4f7f\u752864\u4f4d\u7248\u672c<\/span>;<\/li>\n
        2. MongoDB\u662f\u6587\u6863\u578b\u6570\u636e\u5e93,\u6570\u636e\u4ee5BSON\u5f62\u5f0f\u5b58\u50a8\u5728\u6587\u6863\u4e2d;\u6700\u65b0\u7248\u672c\u7684MongoDB\u80fd\u591f\u652f\u6301\u6700\u592716MB\u7684\u6587\u6863\u5927\u5c0f;\u5efa\u8bae\u7528\u6237\u5c3d\u91cf\u4e0d\u8981\u5b58\u50a8\u5927\u578b\u5bf9\u8c61,\u5c06\u6587\u6863\u63a7\u5236\u57281 MB\u4ee5\u5185<\/span>;<\/li>\n
        3. MongoDB\u7684\u5199\u5165\u548c\u66f4\u65b0\u901f\u5ea6\u975e\u5e38\u5feb,\u6240\u4ee5\u9519\u8bef\u63d0\u793a\u5e76\u4e0d\u660e\u786e;\u8981\u786e\u4fdd\u5199\u5165\u6b63\u786e,\u5efa\u8bae\u7528\u6237\u4f7f\u7528getLastError\u6216\u8005\u4f7f\u7528\u5b89\u5168\u5199\u5165<\/span>;<\/li>\n
        4. \u5173\u7cfb\u578b\u6570\u636e\u5e93\u5f80\u5f80\u4f1a\u6709\u9884\u5b9a\u4e49\u7684schema,\u4f60\u60f3\u6dfb\u52a0\u989d\u5916\u7684\u5217\u5c31\u9700\u8981\u5728\u6574\u4e2a\u8868\u4e0a\u6dfb\u52a0;MongoDB\u6ca1\u6709\u8fd9\u4e2a\u7ea6\u675f,\u8fd9\u4f7f\u5f97\u5f00\u53d1\u548c\u7ba1\u7406\u53d8\u5f97\u66f4\u7b80\u5355;\u4f46\u8fd9\u5e76\u4e0d\u610f\u5473\u7740\u4f60\u5c31\u53ef\u4ee5\u5b8c\u5168\u5ffd\u89c6MongoDB\u7684schema\u8bbe\u8ba1,\u4e00\u4e2a\u8bbe\u8ba1\u826f\u597d\u7684schema<\/span>\u80fd\u591f\u8ba9MongoDB\u7684\u6027\u80fd\u8fbe\u5230\u6700\u4f73;<\/li>\n
        5. MongoDB\u7684\u66f4\u65b0\u5728\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u4f1a\u4f7f\u7528\u7c7b\u4f3c\u4e8e\u4f20\u7edf\u6570\u636e\u5e93\u7684LIMIT\u8bed\u53e5,\u5373LIMIT 1<\/span>.\u56e0\u6b64\u66f4\u65b0\u4e0d\u4f1a\u5f71\u54cd\u5230\u6240\u6709\u7684\u6587\u6863,\u5982\u679c\u4f60\u60f3\u8981\u4e00\u6b21\u66f4\u65b0\u8bb8\u591a\u6587\u6863,\u90a3\u4e48\u8bf7\u628amulti\u8bbe\u4e3atrue;<\/span><\/li>\n
        6. MongoDB\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u662f\u533a\u5206\u5927\u5c0f\u5199\u7684<\/span>,\u4f8b\u5982db.people.find({name: ‘Russell’}) \u548cdb.people.find({name: ‘russell’})\u5c31\u662f\u4e0d\u4e00\u6837\u7684;\u6240\u4ee5\u7528\u6237\u9700\u8981\u77e5\u9053MongoDB\u7684\u5927\u5c0f\u5199\u9650\u5236;<\/li>\n
        7. \u4f20\u7edf\u6570\u636e\u5e93\u4e2d,\u5982\u679c\u63d2\u5165\u9519\u8bef\u7684\u6570\u636e\u7c7b\u578b,\u901a\u5e38\u4f1a\u63d0\u793a\u9519\u8bef\u6216\u8005\u5f3a\u5236\u8f6c\u6362\u6210\u9884\u5b9a\u4e49\u7684\u6570\u636e\u503c;MongoDB\u4e2d\u6ca1\u6709\u8fd9\u79cd\u9650\u5236,\u6240\u4ee5\u8f93\u5165\u9519\u8bef\u6570\u636e\u7c7b\u578b\u4e0d\u4f1a\u51fa\u73b0\u63d0\u793a;\u5efa\u8bae\u7528\u6237\u786e\u4fdd\u8f93\u5165\u6b63\u786e\u7684\u6570\u636e\u7c7b\u578b<\/span>;<\/li>\n
        8. \u5168\u5c40\u9501\u662f\u4e00\u76f4\u88abMongoDB\u7528\u6237\u8bdf\u75c5\u7684\u7279\u6027,MongoDB 2.2\u4e2d\u589e\u52a0\u4e86\u6570\u636e\u5e93\u7ea7\u9501,\u8fd9\u662f\u4e00\u4e2a\u5f88\u5927\u7684\u6539\u8fdb;\u5efa\u8bae\u7528\u6237\u4f7f\u7528\u7a33\u5b9a\u7248\u7684MongoDB 2.2\u6570\u636e\u5e93,\u907f\u514d\u5168\u5c40\u9501\u9650\u5236<\/span>;<\/li>\n
        9. \u8fc7\u671f\u7248\u672cMongoDB\u7528\u6237\u5728\u4e0b\u8f7d\u7a0b\u5e8f\u5305\u65f6\u4f1a\u51fa\u95ee\u9898,\u5efa\u8bae\u7528\u6237\u4f7f\u752810gen\u6700\u65b0\u7248\u672c\u7684\u5b98\u65b9\u7a0b\u5e8f\u5305;<\/li>\n
        10. Replica Set\u662fMongoDB\u4e2d\u53d7\u5173\u6ce8\u6700\u591a\u7684\u529f\u80fd,\u5b83\u80fd\u4e3aMongoDB\u96c6\u7fa4\u589e\u52a0\u5197\u4f59\u5e76\u63d0\u4f9b\u826f\u597d\u7684\u8bfb\u6027\u80fd;\u4f46\u7531\u4e8eReplica Set\u7684\u9009\u4e3e\u673a\u5236,\u5fc5\u987b\u4fdd\u8bc1Replica Set\u6210\u5458\u6570\u76ee\u4e3a\u5947\u6570<\/span>;\u5982\u679c\u662f\u5076\u6570\u7684\u8bdd,\u4e3b\u8282\u70b9\u5b95\u673a\u5c31\u4f1a\u5bfc\u81f4\u5176\u4ed6\u8282\u70b9\u53d8\u4e3a\u53ea\u8bfb;\u89e3\u51b3\u65b9\u6cd5\u4e5f\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e2a\u4ef2\u88c1\u8282\u70b9(arbiter),\u5b83\u4e5f\u662f\u4e00\u4e2aReplica Set\u7684\u6210\u5458,\u4f46\u5e76\u4e0d\u5b58\u50a8\u7528\u6237\u6570\u636e;\u6240\u4ee5\u8bf7\u8bb0\u4f4f\u8bbe\u7f6eReplica Set\u6210\u5458\u65f6\u8981\u5b9a\u4e3a\u5947\u6570<\/span>;<\/li>\n
        11. MongoDB\u4e2d\u4e0d\u5b58\u5728join,\u4f60\u8981\u9488\u5bf9\u591a\u4e2a\u96c6\u5408\u8fdb\u884c\u6570\u636e\u68c0\u7d22\u7684\u65f6\u5019,\u5fc5\u987b\u4f7f\u7528\u591a\u4e2a\u67e5\u8be2;\u6240\u4ee5\u5f53\u4f60\u9047\u5230\u8fd9\u4e2a\u95ee\u9898\u65f6,\u53ef\u4ee5\u8003\u8651\u91cd\u65b0\u8bbe\u8ba1MongoDB\u7684schema;<\/li>\n
        12. Journaling\u65e5\u5fd7\u662fMongoDB\u4e2d\u975e\u5e38\u597d\u7684\u529f\u80fd,\u80fd\u591f\u589e\u5f3a\u8282\u70b9\u7684\u53ef\u7528\u6027;\u57282.0\u7248\u672c\u4e4b\u540e,MongoDB\u9ed8\u8ba4\u662f\u5f00\u542fJournaling\u65e5\u5fd7\u529f\u80fd\u7684;\u867d\u7136Journaling\u65e5\u5fd7\u4f1a\u5bf9\u6570\u636e\u5e93\u6027\u80fd\u9020\u6210\u4e00\u5b9a\u7684\u5f71\u54cd,\u4f46\u8fd9\u90e8\u5206\u5f71\u54cd\u662f\u53ef\u4ee5\u5ffd\u7565\u7684;\u56e0\u6b64\u5efa\u8bae\u7528\u6237\u5f00\u542fJournaling\u529f\u80fd,\u7279\u522b\u662f\u5bf9\u4e8e\u53ef\u7528\u6027\u8981\u6c42\u8f83\u9ad8\u7684\u7528\u6237<\/span>;<\/li>\n
        13. MongoDB\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u662f\u6ca1\u6709\u8ba4\u8bc1\u529f\u80fd\u7684,\u56e0\u6b64\u5efa\u8bae\u7528\u6237\u4f7f\u7528\u9632\u706b\u5899\u5bf9MongoDB\u8fdb\u884c\u4fdd\u62a4;<\/li>\n
        14. Replica Set\u7684\u5de5\u4f5c\u662f\u901a\u8fc7\u4f20\u9001oplog\u6765\u5b8c\u6210\u7684,\u4e3b\u8282\u70b9\u53d1\u751f\u6545\u969c\u540e,\u65b0\u7684\u6570\u636e\u5c06\u4f1a\u5b58\u653e\u5728\u6570\u636e\u76ee\u5f55\u4e0b\u7684\u4e00\u4e2a\u7279\u5b9a\u6587\u4ef6\u5939\u5185,\u5373rollback\u6587\u4ef6\u5939;\u4f60\u53ef\u4ee5\u7528\u6765\u624b\u52a8\u5b8c\u6210\u6570\u636e\u6062\u590d;\u6240\u4ee5\u5728\u6bcf\u6b21\u6545\u969c\u53d1\u751f\u4e4b\u540e,\u4f60\u4e00\u5b9a\u8981\u770b\u770b\u8fd9\u4e2a\u6587\u4ef6\u5939,MongoDB\u81ea\u5e26\u7684\u5de5\u5177\u5c31\u80fd\u591f\u5e2e\u52a9\u4f60\u8f7b\u677e\u5730\u5b8c\u6210\u624b\u52a8\u6570\u636e\u6062\u590d;<\/li>\n
        15. \u8de8\u670d\u52a1\u5668\u7684\u6570\u636e\u62c6\u5206\u4e2d,Sharding\u662f\u4e00\u4e2a\u6709\u6548\u7684\u65b9\u6cd5;MongoDB\u4e2d\u652f\u6301\u81ea\u52a8\u5316Sharding,\u4f46\u662f\u5bf9\u6570\u636e\u5e93\u6027\u80fd\u4f1a\u9020\u6210\u5f88\u5927\u5f71\u54cd;\u56e0\u6b64\u5efa\u8bae\u7528\u6237\u5c3d\u65e9\u8fdb\u884cSharding,\u4f7f\u7528MMS:Munin (+ Mongo plugin)\u548cCloudWatch\u7b49\u5de5\u5177<\/span>\u5bf9MongoDB\u8fdb\u884c\u76d1\u63a7,\u786e\u4fdd\u7cfb\u7edf\u8d44\u6e90\u4f7f\u7528\u8fbe\u523080%\u4e4b\u524d\u5c31\u5b8c\u6210Sharding\u5de5\u4f5c;<\/li>\n
        16. MongoDB\u4f7f\u7528shard key\u6765\u51b3\u5b9a\u7279\u5b9a\u7684\u6587\u6863\u5728\u54ea\u4e2a\u5206\u7247\u4e0a,\u5f53\u63d2\u5165\u4e00\u4e2a\u6587\u6863\u4e4b\u540e,\u4f60\u662f\u65e0\u6cd5\u66f4\u65b0shard key\u7684;\u8fd9\u91cc\u5efa\u8bae\u7528\u6237\u5220\u9664\u6587\u6863\u5e76\u91cd\u65b0\u63d2\u5165,\u8fd9\u6837\u5c31\u80fd\u591f\u5c06\u5176\u5206\u914d\u5230\u5408\u9002\u7684\u5206\u7247\u4e0a;<\/span><\/li>\n
        17. MongoDB\u5bf9\u5206\u7247\u7684\u9650\u5236\u8fd8\u5305\u62ec\u96c6\u5408\u7684\u5927\u5c0f,\u5f53\u8d85\u8fc7256 GB\u7684\u65f6\u5019,MongoDB\u5c06\u4e0d\u5141\u8bb8\u8fdb\u884c\u5206\u7247<\/span>;\u76f8\u4fe110gen\u516c\u53f8\u4f1a\u5728\u672a\u6765\u653e\u5f03\u8fd9\u4e00\u9650\u5236,\u4f46\u5728\u6b64\u4e4b\u524d\u7528\u6237\u9700\u8981\u7559\u610f;<\/li>\n
        18. MongoDB\u4e2d\u8de8\u5206\u7247\u5e76\u6ca1\u6709\u5f3a\u5236\u8981\u6c42\u552f\u4e00\u6027,MongoDB\u53ea\u9488\u5bf9\u72ec\u7acb\u7684\u5206\u7247\u8fdb\u884c\u5f3a\u5236\u800c\u975e\u5168\u5c40\u6027;\u5f53\u7136\u9664shard key\u4e4b\u5916;<\/li>\n
        19. \u8fdb\u884c\u62c6\u5206\u7684\u65f6\u5019,MongoDB\u4f1a\u8981\u6c42\u4f60\u9009\u62e9\u4e00\u4e2a\u952e;\u7528\u6237\u9700\u8981\u6ce8\u610f\u9009\u62e9\u6b63\u786e\u7684\u952e,\u5426\u5219\u4f1a\u9020\u6210\u4e0d\u5fc5\u8981\u7684\u9ebb\u70e6;\u5982\u4f55\u8fdb\u884c\u9009\u62e9\u5e76\u65e0\u5b9a\u5f0f,\u4e3b\u8981\u53d6\u51b3\u4e8e\u4f60\u7684\u5e94\u7528,\u6bd4\u5982\u9488\u5bf9news feed\u4f7f\u7528\u65f6\u95f4\u6233\u5c31\u662f\u9519\u7684;\u5728\u4e0b\u4e00\u7248\u672c\u4e2d,MongoDB\u5c06\u5bf9\u6b64\u8fdb\u884c\u6539\u8fdb;<\/li>\n
        20. MongoDB\u8fde\u63a5\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u662f\u4e0d\u52a0\u5bc6\u7684,\u4e5f\u5c31\u662f\u8bf4\u4f60\u7684\u6570\u636e\u662f\u80fd\u591f\u88ab\u7b2c\u4e09\u65b9\u8bb0\u5f55\u548c\u4f7f\u7528\u7684;\u6240\u4ee5\u4f60\u5728\u516c\u5171\u7f51\u4e2d\u8bbf\u95eeMongoDB\u7684\u8bdd,\u5c31\u4e00\u5b9a\u8981\u8fdb\u884c\u52a0\u5bc6<\/span>;<\/li>\n
        21. MongoDB\u53ea\u652f\u6301\u5355\u4e00\u6587\u6863\u7684\u539f\u5b50\u6027,\u8fd9\u4e00\u70b9\u4e0e\u4f20\u7edf\u7684\u6570\u636e\u5e93\u6709\u6240\u4e0d\u540c,\u5982MySQL.\u56e0\u6b64MongoDB\u4e2d\u8de8\u591a\u4e2a\u6587\u6863\u662f\u4e0d\u63d0\u4f9b\u5185\u7f6e\u7684transaction\u652f\u6301\u7684;<\/li>\n
        22. \u5f53MongoDB\u663e\u793aready\u7684\u65f6\u5019,\u5176\u5b9e\u5185\u90e8\u8fd8\u5728\u8fdb\u884cjournal\u7684\u914d\u7f6e;\u56e0\u6b64\u9488\u5bf9\u901f\u5ea6\u8f83\u6162\u7684\u6587\u4ef6\u7cfb\u7edf,MongoDB\u7684journal\u914d\u7f6e\u4e5f\u4f1a\u5f88\u6162;<\/li>\n
        23. \u4e0d\u5efa\u8bae\u5c1d\u8bd5NUMA + Linux + MongoDB\u7684\u7ec4\u5408,\u5982\u679c\u4f60\u7684MongoDB\u8dd1\u5728NUMA\u670d\u52a1\u5668\u4e0a,\u5efa\u8bae\u5c06\u5b83\u5173\u6389<\/span>;<\/li>\n
        24. \u5728Linux\u4e0a\u8fd0\u884cMongoDB\u906d\u9047segfault\u9519\u8bef\u65f6,\u8fd9\u4e3b\u8981\u662f\u56e0\u4e3aopen files \/ process\u9650\u5236\u8fc7\u4f4e;\u5efa\u8bae\u7528\u6237\u5c06\u9650\u5236\u8bbe\u5b9a\u4e3a4K+;<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n
          <\/div>\n
          <\/div>\n<\/div>\n
          ————————– \u57fa\u672c\u7684\u589e\u5220\u6539\u67e5\u64cd\u4f5c\u00a0————————–<\/div>\n
          — insert\u64cd\u4f5c;<\/div>\n
          db.person.insert({“name”:”kobe”,”age”:32})<\/div>\n
          db.person.insert({“name”:”james”,”age”:28})<\/div>\n
          <\/div>\n
          — find()\u64cd\u4f5c;<\/div>\n
          db.person.find()<\/div>\n
          <\/div>\n
          — update()\u64cd\u4f5c;<\/div>\n
          db.person.update({“name”:”kobe”},{“name”:”kobe”,”age”:33})<\/div>\n
          db.person.find({“name”:”kobe”})<\/div>\n
          <\/div>\n
          — delete()\u64cd\u4f5c;<\/div>\n
          db.person.remove({“name”:”james”})<\/div>\n
          db.person.find()<\/div>\n
          db.person.count()<\/div>\n
          ————————– \u57fa\u672c\u7684\u589e\u5220\u6539\u67e5\u64cd\u4f5c\u00a0————————–<\/div>\n
          <\/div>\n
          ————————– mongodb\u7684\u914d\u7f6e\u6587\u4ef6\/etc\/mongod.conf\u00a0————————–<\/div>\n
          vi \/etc\/mongod.conf<\/div>\n
          <\/div>\n
          port=27017<\/div>\n
          dbpath=\/mongo\/data<\/div>\n
          directoryperdb=true<\/div>\n
          logpath=\/mongo\/logs\/mongod.log<\/div>\n
          logappend=true<\/div>\n
          auth=true<\/div>\n
          journal=true<\/div>\n
          fork=true<\/div>\n
          ————————– mongodb\u7684\u914d\u7f6e\u6587\u4ef6\/etc\/mongod.conf\u00a0————————–<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

          Linux\u4e0b\u5b89\u88c5MangoDB \u5b98\u7f51\u5730\u5740:http:\/\/www.mongodb.org; \u4e0b\u8f7d\u6587\u4ef6:\u4ecehttp […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[24,25],"class_list":["post-308","post","type-post","status-publish","format-standard","hentry","category-nosql","tag-mongodb","tag-nosql"],"_links":{"self":[{"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=\/wp\/v2\/posts\/308","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=308"}],"version-history":[{"count":0,"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=\/wp\/v2\/posts\/308\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=308"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=308"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=308"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}