{"id":50177,"date":"2023-09-30T16:06:18","date_gmt":"2023-12-27T23:33:41","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%80%9a%e8%bf%87node-js%e9%80%9a%e8%bf%87jmx%e8%8e%b7%e5%8f%96cassandra%e7%9a%84%e4%bf%a1%e6%81%af%e3%80%82\/"},"modified":"2024-05-04T02:14:29","modified_gmt":"2024-05-03T18:14:29","slug":"%e9%80%9a%e8%bf%87node-js%e9%80%9a%e8%bf%87jmx%e8%8e%b7%e5%8f%96cassandra%e7%9a%84%e4%bf%a1%e6%81%af%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%80%9a%e8%bf%87node-js%e9%80%9a%e8%bf%87jmx%e8%8e%b7%e5%8f%96cassandra%e7%9a%84%e4%bf%a1%e6%81%af%e3%80%82\/","title":{"rendered":"\u901a\u8fc7Node.js\u901a\u8fc7JMX\u83b7\u53d6Cassandra\u7684\u4fe1\u606f"},"content":{"rendered":"

Cassandra\u81ea\u5e26\u4e86\u4e00\u4e2a\u540d\u4e3anodetool\u7684\u5de5\u5177\uff0c\u901a\u8fc7JMX\u6765\u7ba1\u7406Cassandra\u96c6\u7fa4\u3002
\n\u6709\u4e00\u79cd\u60c5\u51b5\u662f\u60f3\u8981\u5728Node.js\u4e0a\u5229\u7528nodetool\u83b7\u53d6\u7684\u4fe1\u606f\uff0c\u4e8e\u662f\u5728\u5bfb\u627e\u65b9\u6cd5\u65f6\u53d1\u73b0\u4e86\u4e00\u4e2a\u540d\u4e3anode-jmx\u7684\u7528\u4e8e\u4e0eJMX\u901a\u4fe1\u7684\u8f6f\u4ef6\u5305\u3002
\n\u901a\u8fc7\u4f7f\u7528node-jmx\uff0c\u5b66\u5230\u4e86\u83b7\u53d6Cassandra\u4fe1\u606f\u7684\u65b9\u6cd5\uff0c\u5e76\u5c06\u5176\u603b\u7ed3\u5982\u4e0b\u3002<\/p>\n

\u5173\u4e8enode-jmx<\/h2>\n

\u5b89\u88c5<\/h3>\n

\u4f7f\u7528node-jmx\u9700\u8981JDK\u3002\u4f3c\u4e4enode-jmx\u5728\u5185\u90e8\u4f7f\u7528\u4e86node-java\uff0c\u6240\u4ee5\u5728\u5b89\u88c5\u65f6\u9047\u5230\u95ee\u9898\u65f6\uff0c\u6700\u597d\u53c2\u8003node-java\u7684\u5b89\u88c5\u6307\u5357\u3002<\/p>\n

\u7531\u4e8e\u4f7f\u7528\u4e86node-gyp\uff0c\u6240\u4ee5\u9700\u8981\u9884\u5148\u5b89\u88c5python2.7\u3001make\u548cg++\u3002<\/p>\n

\u5982\u679c\u51c6\u5907\u5de5\u4f5c\u5b8c\u6210\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5c06\u53ef\u4ee5\u4f7f\u7528node-jmx\u3002<\/p>\n

npm instal jmx\r\n<\/code><\/pre>\n
\u7528\u6cd5 f\u01ce)<\/h3>\n
\u57fa\u672c\u4e0a\u6309\u7167\u5b98\u65b9\u6587\u4ef6\u64cd\u4f5c\uff0c\u4f46\u662f\u4ece\u5ba2\u6237\u7aef\u8fd4\u56de\u7684\u503c\u4f3c\u4e4e\u662f\u4e00\u4e2aJava\u5bf9\u8c61\uff0c\u6240\u4ee5\u5728\u83b7\u53d6\u5b9e\u9645\u503c\u65f6\u9700\u8981\u8fdb\u884c\u524d\u5904\u7406\u3002
\n\u4ee5\u4e0b\u662f\u83b7\u53d6HeapMemoryUsage\u7684\u4ee3\u7801\u3002HeapMemoryUsage\u662fjavax.management.openmbean.CompositeData\u63a5\u53e3\u7684\u5bf9\u8c61\uff0c\u53ef\u4ee5\u4f7f\u7528get(String key)\u65b9\u6cd5\u83b7\u53d6\u60f3\u8981\u7684\u9879\u76ee\u6570\u503c\u3002\u4f46\u662f\uff0c\u7531\u4e8e\u662f\u901a\u8fc7node-java\u8fdb\u884c\u64cd\u4f5c\uff0c\u6240\u4ee5\u65b9\u6cd5\u540d\u53d8\u6210\u4e86\u5e26\u6709Sync\u7684getSync(String key)\u3002\uff08\u987a\u4fbf\u8bf4\u4e00\u4e0b\uff0c\u770b\u8d77\u6765node-java\u4e5f\u63d0\u4f9b\u4e86\u5f02\u6b65\u65b9\u6cd5\u3002\uff09\u83b7\u53d6\u5230\u7684\u503c\u662fjava.lang.Number\u63a5\u53e3\u7684\u5bf9\u8c61\uff0c\u53ef\u4ee5\u4f7f\u7528longValue()\u7b49\u65b9\u6cd5\u83b7\u5f97\u6570\u503c\u3002\uff08\u597d\u50cf\u4e0d\u9700\u8981\u6dfb\u52a0Sync\u3002\uff09<\/p>\n
const<\/span> jmx<\/span> =<\/span> require<\/span>(<\/span>'<\/span>jmx<\/span>'<\/span>);<\/span>\r\n\r\nconst<\/span> client<\/span> =<\/span> jmx<\/span>.<\/span>createClient<\/span>({<\/span>\r\n    host<\/span>:<\/span> '<\/span>localhost<\/span>'<\/span>,<\/span>\r\n    port<\/span>:<\/span> 7199<\/span>,<\/span>\r\n});<\/span>\r\n\r\nclient<\/span>.<\/span>on<\/span>(<\/span>'<\/span>connect<\/span>'<\/span>,<\/span> ()<\/span> =><\/span> {<\/span>\r\n    client<\/span>.<\/span>getAttribute<\/span>(<\/span>'<\/span>java.lang:type=Memory<\/span>'<\/span>,<\/span> '<\/span>HeapMemoryUsage<\/span>'<\/span>,<\/span> data<\/span> =><\/span> {<\/span>\r\n        const<\/span> used<\/span> =<\/span> data<\/span>.<\/span>getSync<\/span>(<\/span>'<\/span>used<\/span>'<\/span>);<\/span>\r\n        console<\/span>.<\/span>log<\/span>(<\/span>used<\/span>.<\/span>longValue<\/span>);<\/span>\r\n    });<\/span>\r\n});<\/span>\r\nclient<\/span>.<\/span>connect<\/span>();<\/span>\r\n<\/code><\/pre>\n
\u5728Node.js\u4e0a\u5b9e\u73b0nodetool status<\/h2>\n
\u6211\u6253\u7b97\u5148\u5c1d\u8bd5\u4f7f\u7528node-jmx\u6765\u5b9e\u73b0\u901a\u8fc7nodetool status\u83b7\u53d6Cassandra\u96c6\u7fa4\u4fe1\u606f\u7684\u65b9\u6cd5\uff0c\u5e76\u5bf9\u5176\u8fdb\u884c\u603b\u7ed3\u3002<\/p>\n
nodetool status\u662f\u4ec0\u4e48\uff1f<\/h3>\n
\u8fd9\u4e2a\u547d\u4ee4\u53ef\u4ee5\u6536\u96c6\u5e76\u663e\u793a\u53c2\u4e0e\u96c6\u7fa4\u7684\u6bcf\u4e2a\u8282\u70b9\u7684\u4fe1\u606f\u3002\uff08 \u53c2\u8003 \uff09
\n\u7279\u522b\u662f\u8282\u70b9\u7684\u72b6\u6001\uff08\u4e0a\/\u4e0b\uff09\u8fd9\u4e2a\u9879\u76ee\uff0c\u5728\u6267\u884cnodetool status\u547d\u4ee4\u65f6\u5e94\u8be5\u662f\u6700\u91cd\u8981\u7684\u4fe1\u606f\u4e4b\u4e00\u3002<\/p>\n
\u5b9e\u73b0\u4e86\u672c\u5bb6 nodetool \u7684\u72b6\u6001\u547d\u4ee4\u3002<\/h3>\n
\u8fd9\u662fGitHub\u4e0a\u7684\u4e00\u4e2a\u9879\u76ee\uff0c\u4e3b\u8981\u603b\u7ed3\u4e86\u4e0e\u4e3b\u8981\u7684Apache Cassandra\u5de5\u5177nodetool status\u76f8\u5173\u7684\u6e90\u4ee3\u7801\u3002<\/p>\n
    \n
  • \n
      org\/apache\/cassandra\/tools\/nodetool\/Status.java<\/ul>\n<\/li>\n<\/ul>\n
       <\/p>\n
        \n
      • \n
          org\/apache\/cassandra\/tools\/NodeProbe.java<\/ul>\n<\/li>\n<\/ul>\n
           <\/p>\n
            \n
          • \n
              org\/apache\/cassandra\/service\/StorageService.java<\/ul>\n<\/li>\n<\/ul>\n
               <\/p>\n
                org\/apache\/cassandra\/locator\/EndpointSnitchInfo.java<\/ul>\n
                \u5982\u679c\u6211\u6ca1\u8bb0\u9519\u7684\u8bdd\uff0c\u5927\u6982\u662f\u5728\u8fd9\u9644\u8fd1\uff0c\u5982\u679c\u6709\u4efb\u4f55\u9519\u8bef\u6216\u8005\u9057\u6f0f\uff0c\u8bf7\u8c05\u89e3\u3002<\/p>\n
                \u5927\u81f4\u7684\u5185\u5bb9\u662f\uff0c\u901a\u8fc7nodetool status\u6536\u96c6\u7684\u4fe1\u606f\u7531StorageService\u548cEndpointSnitchInfo\u8fdb\u884c\u7ba1\u7406\uff0c\u5e76\u4e14\u5b83\u4eec\u5206\u522b\u4f5c\u4e3aMBean\u516c\u5f00\u3002<\/p>\n
                \u6bcf\u4e2a\u4eba\u90fd\u7ba1\u7406\u4ee5\u4e0b\u7c7b\u578b\u7684\u4fe1\u606f\uff08\u4ee5\u4e0b\u53ea\u662f\u4e00\u5c0f\u90e8\u5206\uff09<\/p>\n
                  \n
                • \n
                    StorageService:<\/ul>\n<\/li>\n<\/ul>\n
                    \u30af\u30e9\u30b9\u30bf\u306b\u53c2\u52a0\u3057\u3066\u3044\u308b\u30ce\u30fc\u30c9\u306eIP\u30a2\u30c9\u30ec\u30b9\u3068HostID\u306eMap
                    \n\u5065\u5168(Up)\u306a\u30ce\u30fc\u30c9\u3001\u758e\u901a\u4e0d\u53ef(Down)\u306b\u306a\u3063\u3066\u3044\u308b\u30ce\u30fc\u30c9\u306e\u30ea\u30b9\u30c8
                    \n\u30af\u30e9\u30b9\u30bf\u306b\u53c2\u52a0\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b or \u629c\u3051\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u30ce\u30fc\u30c9\u306e\u30ea\u30b9\u30c8
                    \n\u30c8\u30fc\u30af\u30f3\u306e\u30ea\u30b9\u30c8\u3068\u62c5\u5f53\u30ce\u30fc\u30c9\u306eIP\u30a2\u30c9\u30ec\u30b9\u306eMap<\/p>\n
                    \u7b49\u7b49<\/p>\n
                      \n
                    • \n
                        EndpointSnitchInfo:<\/ul>\n<\/li>\n<\/ul>\n
                        \u30ce\u30fc\u30c9\u304c\u6240\u5c5e\u3057\u3066\u3044\u308b\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u540d
                        \n\u30ce\u30fc\u30c9\u304c\u6240\u5c5e\u3057\u3066\u3044\u308b\u30e9\u30c3\u30af\u540d<\/p>\n
                        \u5728nodetool status\u4e2d\uff0c\u5b83\u4ee5\u5408\u9002\u7684\u683c\u5f0f\u663e\u793a\u8fd9\u4e9b\u4fe1\u606f\u3002<\/p>\n
                        \u4f59\u8ac7\u4e00\u4e0b\uff0c\u5173\u4e8e\u5b98\u65b9\u7684nodetool\u5b9e\u73b0\uff0c\u6211\u4e0d\u5f97\u4e0d\u8bf4\u6709\u4e00\u90e8\u5206\u662f\u6709\u70b9\u7c97\u7cd9\u7684\u3002\u4f8b\u5982\uff0c\u5f53vnode\u6216\u6807\u8bb0\u8303\u56f4\u6570\u91cf\u589e\u52a0\u65f6\uff0c\u5e94\u7528resolveIp\u9009\u9879\u540e\u7684nodetool status\u7684\u54cd\u5e94\u65f6\u95f4\u4f1a\u53d8\u5dee\u3002\u539f\u56e0\u662f\u5728\u8fdb\u884c\u57fa\u4e8eDNS\u7684\u540d\u79f0\u89e3\u6790\u65f6\uff0c\u6267\u884c\u4e86\u4e00\u4e2a\u6548\u7387\u4f4e\u4e0b\u7684\u5904\u7406\u5faa\u73af\uff0c\u5faa\u73af\u6b21\u6570\u4e3a\u6807\u8bb0\u8303\u56f4\u6570 * vnode\u6570\u91cf\uff08\u5373\u4f7f\u5728\u53ea\u6709\u51e0\u4e2a\u8282\u70b9\u7684\u96c6\u7fa4\u4e2d\uff0cnodetool status\u7684\u6267\u884c\u901f\u5ea6\u4e5f\u975e\u5e38\u6162\uff09\u3002
                        \n\u5728\u8fd9\u6b21Node.js\u7684\u5b9e\u73b0\u4e2d\uff0c\u6211\u5e0c\u671b\u80fd\u6709\u66f4\u9ad8\u6548\u7684\u5b9e\u73b0\u65b9\u5f0f\u3002<\/p>\n
                        \uff08\u5f15\u7528\uff1aASF JIRA\uff1anodetool status -r\u7684\u6539\u8fdb\uff09\u2190 \u770b\u8d77\u6765\u597d\u50cf\u88ab\u9057\u5fd8\u4e86\uff0c\u4f46\u5b83\u662f\u5426\u4f1a\u88ab\u53cd\u6620\u5462\u2026<\/p>\n
                        \u6211\u5728Node.js\u4e2d\u5c1d\u8bd5\u5b9e\u73b0nodetool status\u3002<\/h3>\n
                        \u7a81\u7136\u4f46\u6211\u5c06\u5b9e\u65bd\u7684\u5185\u5bb9\u5236\u4f5c\u6210\u4e86npm\u5305\u5e76\u8fdb\u884c\u4e86\u516c\u5f00\u8bd5\u7528\u3002<\/p>\n
                        npmjs: cassandra-nodetool \u7684\u5305\u5728 GitHub \u4e0a\u4e5f\u6709\u76f8\u5e94\u7684\u4ee3\u7801\u3002<\/p>\n
                        \u7cbe\u534e<\/h4>\n
                        \u5728\u4f7f\u7528node-jmx\u83b7\u53d6StorageService\u548cEndpointSnitchInfo\u65f6\uff0cMBean\u7684\u540d\u79f0\u5982\u4e0b\u6240\u793a\u3002<\/p>\n
                          \n
                        • \n
                            StorageService: ‘org.apache.cassandra.db:type=StorageService’<\/ul>\n<\/li>\n<\/ul>\n
                            EndpointSnitchInfo: ‘org.apache.cassandra.db:type=EndpointSnitchInfo’<\/p>\n
                            \u56e0\u6b64\uff0c\u8981\u83b7\u53d6\u53c2\u4e0e\u96c6\u7fa4\u7684\u8282\u70b9\u5217\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u3002
                            \n\u96c6\u7fa4\u4e2d\u53c2\u4e0e\u7684\u8282\u70b9\u5217\u8868\u5b58\u50a8\u5728StorageService\u7684LiveNodes\u5c5e\u6027\u4e2d\uff0c\u901a\u8fc7\u83b7\u53d6\u6b64\u5c5e\u6027\u6765\u5b9e\u73b0\u3002<\/p>\n
                            \/\/ client.on('connect') \u30a4\u30d9\u30f3\u30c8\u3092\u53d7\u3051\u53d6\u3063\u305f\u3042\u3068\u3067<\/span>\r\nclient<\/span>.<\/span>getAttribute<\/span>(<\/span>'<\/span>org.apache.cassandra.db:type=StorageService<\/span>'<\/span>,<\/span> '<\/span>LiveNodes<\/span>'<\/span>,<\/span> javaLiveNodes<\/span> =><\/span> {<\/span>\r\n    const<\/span> liveNodes<\/span> =<\/span> javaLiveNodes<\/span>.<\/span>toArraySync<\/span>();<\/span>\r\n    console<\/span>.<\/span>log<\/span>(<\/span>liveNodes<\/span>);<\/span>\r\n});<\/span>\r\n<\/code><\/pre>\n
                            \u8981\u83b7\u53d6Unreachable\u8282\u70b9\uff08\u65e0\u6cd5\u8fde\u63a5\u7684\u8282\u70b9\uff09\u7684\u5217\u8868\uff0c\u53ea\u9700\u83b7\u53d6UnreachableNodes\u5c5e\u6027\u5373\u53ef\u3002
                            \n\u5982\u524d\u6240\u8ff0\uff0cStorageService\u8fd8\u7ba1\u7406\u7740\u5404\u79cd\u4e0d\u540c\u7684\u4fe1\u606f\uff0c\u5982\u679c\u60f3\u8981\u4e86\u89e3\u5c5e\u6027\u7684\u5217\u8868\uff0c\u5efa\u8bae\u53c2\u8003\u6e90\u4ee3\u7801\u6216\u8005\u901a\u8fc7jconsole\u8fde\u63a5\u5e76\u76f4\u63a5\u641c\u7d22\u3002<\/p>\n
                            \u53ef\u4ee5\u5728\u793a\u4f8b\u4e2d\u4f7f\u7528 EndpointSnitchInfo \u6765\u83b7\u53d6\u6570\u636e\u4e2d\u5fc3\u7684\u540d\u79f0\u3002<\/p>\n
                            \u5728 EndpointSnitchInfo \u4e2d\u6709\u5c5e\u6027 Rack \u548c Datacenter\uff0c\u60a8\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5b83\u4eec\u6765\u83b7\u53d6\u6570\u636e\u4e2d\u5fc3\u7684\u540d\u79f0\u548c\u673a\u67b6\u540d\u79f0\u3002<\/p>\n
                            \u4f46\u662f\uff0c\u60a8\u53ea\u80fd\u4ece\u5df2\u8fde\u63a5\u5230 JMX \u7684\u8282\u70b9\u83b7\u53d6\u5230\u8282\u70b9\u7684\u6570\u636e\u4e2d\u5fc3\u540d\u79f0\u548c\u673a\u67b6\u540d\u79f0\u3002<\/p>\n
                            \u5982\u679c\u60a8\u60f3\u83b7\u53d6\u96c6\u7fa4\u4e2d\u5176\u4ed6\u53c2\u4e0e\u7684\u8282\u70b9\u7684\u673a\u67b6\u4fe1\u606f\u7b49\uff0c\u8bf7\u4f7f\u7528 getRack \u548c getDatacenter \u65b9\u6cd5\u3002<\/p>\n
                            const<\/span> endpoint<\/span> =<\/span> '<\/span>127.0.0.1<\/span>'<\/span>;<\/span>\r\nclient<\/span>.<\/span>invoke<\/span>(<\/span>'<\/span>org.apache.cassandra.db:type=EndpointSnitchInfo<\/span>'<\/span>,<\/span> '<\/span>getDatacenter<\/span>'<\/span>,<\/span> [<\/span>endpoint<\/span>],<\/span> javaDCName<\/span> =><\/span> {<\/span>\r\n    console<\/span>.<\/span>log<\/span>(<\/span>javaDCName<\/span>.<\/span>toString<\/span>());<\/span>\r\n});<\/span>\r\n<\/code><\/pre>\n
                            \u6700\u540e\uff0c\u6211\u7ecf\u5e38\u9700\u8981\u5c06java.util.Map\u5bf9\u8c61\uff0c\u5982StorageService\u7684EndpointToHostId\u5c5e\u6027\uff0c\u89e3\u6790\u4e3aJavaScript\u5bf9\u8c61\u3002\u6240\u4ee5\uff0c\u6211\u60f3\u5206\u4eab\u4e00\u4e0b\u5173\u4e8e\u8fd9\u4e2a\u64cd\u4f5c\u7684\u793a\u4f8b\u4ee3\u7801\uff08\u5982\u679c\u6709\u66f4\u597d\u7684\u65b9\u6cd5\uff0c\u8bf7\u544a\u8bc9\u6211\uff01\uff09\u3002<\/p>\n
                            const<\/span> convertedObject<\/span> =<\/span> {};<\/span>\r\nconst<\/span> entrySets<\/span> =<\/span> javaMap<\/span>.<\/span>entrySetSync<\/span>().<\/span>toArraySync<\/span>();<\/span>\r\nfor<\/span>(<\/span>const<\/span> entry<\/span> of<\/span> entrySets<\/span>)<\/span> {<\/span>\r\n    convertedObject<\/span>[<\/span>entry<\/span>.<\/span>getKeySync<\/span>()]<\/span> =<\/span> entry<\/span>.<\/span>getValueSync<\/span>();<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                            \u6240\u611f – “\u611f\u53d7”<\/h2>\n
                            \u6211\u7a0d\u5fae\u6709\u4e9b\u62c5\u5fc3node-jmx\u548cnode-java\u4ee5\u540e\u662f\u5426\u4f1a\u7ee7\u7eed\u7ef4\u62a4\uff0c\u4f46\u901a\u8fc7\u4f7f\u7528\u8fd9\u4e9b\u5305\uff0c\u6211\u5f88\u5bb9\u6613\u5730\u5b9e\u73b0\u4e86\u901a\u8fc7Node.js\u4e0eJMX\u8fdb\u884c\u4ea4\u4e92\u7684\u5904\u7406\u3002
                            \n\u6700\u521d\u6211\u8003\u8651\u4f7f\u7528child_process\u6765\u6267\u884c\u539f\u59cb\u7684nodetool\u547d\u4ee4\u5e76\u89e3\u6790\u7ed3\u679c\uff0c\u4f46\u73b0\u5728\u6211\u77e5\u9053\u4e86\u53ef\u4ee5\u76f4\u63a5\u901a\u8fc7JMX\u83b7\u53d6\u4fe1\u606f\u7684\u65b9\u6cd5\uff0c\u6240\u4ee5\u5728\u5f00\u53d1Cassandra\u8fd0\u7ef4\u5de5\u5177\u65f6\u53ef\u4ee5\u8003\u8651Java\u4ee5\u5916\u7684\u9009\u62e9\u3002
                            \n\u539f\u59cb\u7684nodetool\u53ef\u80fd\u4e0d\u652f\u6301\u4ee5JSON\/YAML\u683c\u5f0f\u8f93\u51fa\u7684\u547d\u4ee4\uff0c\u800c\u4e14\u6b63\u5982\u4e4b\u524d\u63d0\u5230\u7684\uff0c\u5b83\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u4e5f\u65e0\u6cd5\u4ee4\u4eba\u6ee1\u610f\uff0c\u6240\u4ee5\u5728\u4e00\u6bb5\u65f6\u95f4\u5185\uff0c\u6211\u5e0c\u671b\u7ee7\u7eed\u5f00\u53d1\u524d\u8ff0\u7684\u8fd9\u4e9b\u5305\u4f5c\u4e3a\u9488\u5bf9Node.js\u7684\u66ff\u4ee3\u6a21\u5757\u3002<\/p>\n
                            \u8bf7\u53c2\u8003<\/h2>\n
                            nodetool\u5b9e\u7528\u5de5\u5177
                            \nnodetool\u72b6\u6001
                            \nGitHub\uff1aApache Cassandra
                            \nASF JIRA Cassandra\uff1a\u6539\u8fdbnodetool\u72b6\u6001 -r
                            \nGitHub\uff1anode-jmx
                            \nGitHub\uff1anode-java
                            \nGitHub\uff1acassandra-nodetool<\/p>\n","protected":false},"excerpt":{"rendered":"
                            Cassandra\u81ea\u5e26\u4e86\u4e00\u4e2a\u540d\u4e3anodetool\u7684\u5de5\u5177\uff0c\u901a\u8fc7JMX\u6765\u7ba1\u7406Cassandra\u96c6\u7fa4\u3002 \u6709\u4e00\u79cd\u60c5\u51b5\u662f […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-50177","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u901a\u8fc7Node.js\u901a\u8fc7JMX\u83b7\u53d6Cassandra\u7684\u4fe1\u606f - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u901a\u8fc7node-js\u901a\u8fc7jmx\u83b7\u53d6cassandra\u7684\u4fe1\u606f\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u901a\u8fc7Node.js\u901a\u8fc7JMX\u83b7\u53d6Cassandra\u7684\u4fe1\u606f\" \/>\n<meta property=\"og:description\" content=\"Cassandra\u81ea\u5e26\u4e86\u4e00\u4e2a\u540d\u4e3anodetool\u7684\u5de5\u5177\uff0c\u901a\u8fc7JMX\u6765\u7ba1\u7406Cassandra\u96c6\u7fa4\u3002 \u6709\u4e00\u79cd\u60c5\u51b5\u662f […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u901a\u8fc7node-js\u901a\u8fc7jmx\u83b7\u53d6cassandra\u7684\u4fe1\u606f\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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