{"id":50092,"date":"2023-04-12T18:01:50","date_gmt":"2023-12-11T12:58:14","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90cassandra%e3%80%91%e4%bd%bf%e7%94%a8jmxterm%e6%94%b6%e9%9b%86%e5%ba%a6%e9%87%8f%e4%bf%a1%e6%81%af%e3%80%82\/"},"modified":"2024-01-15T13:05:50","modified_gmt":"2024-01-15T05:05:50","slug":"%e3%80%90cassandra%e3%80%91%e4%bd%bf%e7%94%a8jmxterm%e6%94%b6%e9%9b%86%e5%ba%a6%e9%87%8f%e4%bf%a1%e6%81%af%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90cassandra%e3%80%91%e4%bd%bf%e7%94%a8jmxterm%e6%94%b6%e9%9b%86%e5%ba%a6%e9%87%8f%e4%bf%a1%e6%81%af%e3%80%82\/","title":{"rendered":"\u3010Cassandra\u3011\u4f7f\u7528jmxterm\u6536\u96c6\u5ea6\u91cf\u4fe1\u606f"},"content":{"rendered":"<h2>0. JMXterm \u662f\u4ec0\u4e48\uff1f<\/h2>\n<p>jmxterm\u662f\u4e00\u79cd\u901a\u8fc7\u547d\u4ee4\u884c\u8fdb\u884cJMX\u5ba2\u6237\u7aef\u64cd\u4f5c\u7684\u5de5\u5177\u3002\u60a8\u53ef\u4ee5\u5728Cyclops\u5b98\u65b9\u7f51\u7ad9\u4e0a\u627e\u5230\u66f4\u8be6\u7ec6\u7684\u4ecb\u7ecd\u2192https:\/\/docs.cyclopsgroup.org\/jmxterm<\/p>\n<h2>1. \u83b7\u53d6Cassandra\u6307\u6807\u7684\u793a\u4f8b<\/h2>\n<h3>\u4f7f\u7528jmxterm\u542f\u52a8\u5e76\u8fde\u63a5\u81f3Cassandra\u3002<\/h3>\n<p>\u8fde\u63a5\u5230\u672c\u5730\u8282\u70b9\u7684Cassandra<\/p>\n<pre class=\"post-pre\"><code># java -jar jmxterm-1.0.0-uber.jar \r\nWelcome to JMX terminal. Type \"help\" for available commands.\r\n$&gt;open localhost:7199\r\n#Connection to localhost:7199 is opened\r\n$&gt;\r\n<\/code><\/pre>\n<h3>\u2461 \u8f93\u51fa\u57df\u540d\u5217\u8868<\/h3>\n<p>\u6267\u884c domains \u5b50\u547d\u4ee4<\/p>\n<pre class=\"post-pre\"><code>$&gt;domains\r\n#following domains are available\r\nJMImplementation\r\nch.qos.logback.classic\r\ncom.datastax.bdp\r\ncom.sun.management\r\njava.lang\r\njava.nio\r\njava.util.logging\r\norg.apache.cassandra.auth\r\norg.apache.cassandra.db\r\norg.apache.cassandra.internal\r\norg.apache.cassandra.metrics\r\norg.apache.cassandra.net\r\norg.apache.cassandra.request\r\norg.apache.cassandra.service\r\norg.apache.cassandra.transport\r\n$&gt;\r\n<\/code><\/pre>\n<h3>\u53ea\u9700\u4e00\u4e2a\u9009\u9879\uff0c\u5c06\u4ee5\u4e0b\u5185\u5bb9\u4ee5\u4e2d\u6587\u672c\u5730\u5316\uff1a<\/h3>\n<p>\u2462 \u57df\u540d\u6307\u5b9a<\/p>\n<p>\u6307\u5b9aorg.apache.cassandra.metrics<\/p>\n<pre class=\"post-pre\"><code>$&gt;\r\n$&gt;domain org.apache.cassandra.metrics\r\n#domain is set to org.apache.cassandra.metrics\r\n$&gt;\r\n<\/code><\/pre>\n<h3>\u5c06Mbean\u5217\u8868\u5bfc\u51fa<\/h3>\n<p>\u6267\u884cbeans\u5b50\u547d\u4ee4\u5c06\u8fdb\u884c\u5217\u8868\u8f93\u51fa\u3002<br \/>\n\u5217\u8868\u5185\u5bb9\u6839\u636eCassandra\u7684\u7248\u672c\u548c\u914d\u7f6e\u800c\u5f02\u3002\uff08\u8fd8\u53d6\u51b3\u4e8eIP\u5730\u5740\u3001\u5df2\u521b\u5efa\u7684\u952e\u7a7a\u95f4\u4ee5\u53ca\u8868\u7b49\u56e0\u7d20\uff09<\/p>\n<pre class=\"post-pre\"><code>$&gt;beans\r\n#domain = org.apache.cassandra.metrics:\r\norg.apache.cassandra.metrics:keyspace=dse_perf,name=AllMemtablesHeapSize,scope=node_slow_log,type=ColumnFamily\r\norg.apache.cassandra.metrics:keyspace=dse_perf,name=AllMemtablesLiveDataSize,scope=node_slow_log,type=ColumnFamily\r\norg.apache.cassandra.metrics:keyspace=dse_perf,name=AllMemtablesLiveDataSize,type=Keyspace\r\norg.apache.cassandra.metrics:keyspace=dse_perf,name=AllMemtablesOffHeapDataSize,type=Keyspace\r\norg.apache.cassandra.metrics:keyspace=dse_perf,name=AllMemtablesOffHeapSize,scope=node_slow_log,type=ColumnFamily\r\norg.apache.cassandra.metrics:keyspace=dse_perf,name=AllMemtablesOnHeapDataSize,type=Keyspace\r\norg.apache.cassandra.metrics:keyspace=dse_perf,name=BloomFilterDiskSpaceUsed,scope=node_slow_log,type=ColumnFamily\r\norg.apache.cassandra.metrics:keyspace=dse_perf,name=BloomFilterDiskSpaceUsed,type=Keyspace\r\norg.apache.cassandra.metrics:keyspace=dse_perf,name=BloomFilterFalsePositives,scope=node_slow_log,type=ColumnFamily\r\norg.apache.cassandra.metrics:keyspace=dse_perf,name=BloomFilterFalseRatio,scope=node_slow_log,type=ColumnFamily\r\norg.apache.cassandra.metrics:keyspace=dse_perf,name=BloomFilterOffHeapMemoryUsed,scope=node_slow_log,type=ColumnFamily\r\norg.apache.cassandra.metrics:keyspace=dse_perf,name=BloomFilterOffHeapMemoryUsed,type=Keyspace\r\n\r\n\u3000\u3000:\r\n\u3000(\u9014\u4e2d\u7565)\r\n  \u3000:\r\n\r\n$&gt;\r\n<\/code><\/pre>\n<h3>\u53ea\u9700\u4e00\u4e2a\u9009\u9879\uff0c\u5728\u4e2d\u56fd\u5c06\u4ee5\u4e0b\u5185\u5bb9\u7528\u4e2d\u6587\u8868\u8ff0\uff1a<\/h3>\n<p>\u2464 \u6307\u5b9a\u8981\u67e5\u8be2\u503c\u7684 Mbean\u3002<\/p>\n<p>\u5728\u540e\u7eed\u64cd\u4f5c\u4e2d\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u6307\u5b9a\u7684Mbean\u5728\u6b64\u5904\u3002<\/p>\n<pre class=\"post-pre\"><code>$&gt;bean org.apache.cassandra.metrics:keyspace=system,name=ReadLatency,type=Keyspace\r\n#bean is set to org.apache.cassandra.metrics:keyspace=system,name=ReadLatency,type=Keyspace\r\n<\/code><\/pre>\n<h3>\u786e\u8ba4Metrics\u7684\u5c5e\u6027<\/h3>\n<p>\u6267\u884cinfo\u5b50\u547d\u4ee4\u5c06\u5217\u51faattribute\u4fe1\u606f\u3002<\/p>\n<pre class=\"post-pre\"><code>$&gt;info\r\n#mbean = org.apache.cassandra.metrics:keyspace=system,name=ReadLatency,type=Keyspace\r\n#class name = com.yammer.metrics.reporting.JmxReporter$Timer\r\n# attributes\r\n  %0   - 50thPercentile (double, r)\r\n  %1   - 75thPercentile (double, r)\r\n  %2   - 95thPercentile (double, r)\r\n  %3   - 98thPercentile (double, r)\r\n  %4   - 999thPercentile (double, r)\r\n  %5   - 99thPercentile (double, r)\r\n  %6   - Count (long, r)\r\n  %7   - EventType (java.lang.String, r)\r\n  %8   - FifteenMinuteRate (double, r)\r\n  %9   - FiveMinuteRate (double, r)\r\n  %10  - LatencyUnit (java.util.concurrent.TimeUnit, r)\r\n  %11  - Max (double, r)\r\n  %12  - Mean (double, r)\r\n  %13  - MeanRate (double, r)\r\n  %14  - Min (double, r)\r\n  %15  - OneMinuteRate (double, r)\r\n  %16  - RateUnit (java.util.concurrent.TimeUnit, r)\r\n  %17  - StdDev (double, r)\r\n# operations\r\n  %0   - javax.management.ObjectName objectName()\r\n  %1   - [D values()\r\n#there's no notifications\r\n$&gt;\r\n<\/code><\/pre>\n<h3>\u83b7\u53d6attributen\u7684\u503c<\/h3>\n<p>\u4f7f\u7528get\u5b50\u547d\u4ee4\u4ee5\u83b7\u53d6\u503c\u65f6\uff0c\u8bf7\u6ce8\u610f\u5728\u6307\u5b9a\u5c5e\u6027\u65f6\u533a\u5206\u5927\u5c0f\u5199\u3002\u6b64\u5916\uff0c\u53ef\u4ee5\u4f7f\u7528*\u6765\u83b7\u53d6\u6240\u6709\u5c5e\u6027\u3002<\/p>\n<pre class=\"post-pre\"><code>$&gt;get Count\r\n#mbean = org.apache.cassandra.metrics:keyspace=system,name=ReadLatency,type=Keyspace:\r\nCount = 45;\r\n\r\n$&gt;get *\r\n#mbean = org.apache.cassandra.metrics:keyspace=system,name=ReadLatency,type=Keyspace:\r\nLatencyUnit = MICROSECONDS;\r\n\r\nFiveMinuteRate = 0.010651458468396234;\r\n\r\nFifteenMinuteRate = 0.5320173149110301;\r\n\r\nRateUnit = SECONDS;\r\n\r\nEventType = calls;\r\n\r\nMeanRate = 0.02299186601577956;\r\n\r\nOneMinuteRate = 0.00279618294442399;\r\n\r\nMax = 76222.1;\r\n\r\nCount = 45;\r\n\r\nMin = 54.433;\r\n\r\n75thPercentile = 5601.126;\r\n\r\n50thPercentile = 1628.462;\r\n\r\nMean = 5429.523244444445;\r\n\r\nStdDev = 12147.787634864962;\r\n\r\n95thPercentile = 23945.75149999996;\r\n\r\n98thPercentile = 76222.1;\r\n\r\n99thPercentile = 76222.1;\r\n\r\n999thPercentile = 76222.1;\r\n\r\n<\/code><\/pre>\n<h3>\u7ec8\u6b62<\/h3>\n<pre class=\"post-pre\"><code>$&gt;bye\r\n#bye\r\n# \r\n<\/code><\/pre>\n<h2>3. \u8282\u70b9\u5de5\u5177sjk<\/h2>\n<p>\u5728Cassandra\u7684\u4e0d\u540c\u7248\u672c\u4e2d\uff0c\u5373\u4f7f\u662f\u4f7f\u7528\u6807\u51c6\u7684nodetool\u547d\u4ee4\u4e5f\u53ef\u4ee5\u5b9e\u73b0\u7c7b\u4f3c\u7684\u83b7\u53d6\u3002(\u4f46\u6839\u636eCassandra\u7248\u672c\u53ef\u80fd\u6709\u6240\u4e0d\u540c)<\/p>\n<pre class=\"post-pre\"><code># nodetool sjk mx -b org.apache.cassandra.metrics:keyspace=system,name=ReadLatency,type=Keyspace -f Count -mg\r\norg.apache.cassandra.metrics:type=Keyspace,keyspace=system,name=ReadLatency\r\n48\r\n# \r\n<\/code><\/pre>\n<h2>4. \u5370\u8c61<\/h2>\n<p>\u00b7 \u83b7\u53d6\u6307\u6807\u5217\u8868\u975e\u5e38\u65b9\u4fbf\u3002<br \/>\n\u00b7 \u5982\u679c\u53ea\u8003\u8651\u5728\u76d1\u63a7\u4e2d\u83b7\u53d6\u503c\uff0c\u5c1d\u8bd5\u4ee5\u6bcf\u5206\u949f\u8fde\u7eed\u83b7\u53d6\u503c\uff0c\u5c31\u9700\u8981\u6bcf\u6b21\u90fd\u542f\u52a8Java\uff0c\u867d\u7136\u4e0d\u662f\u4e0d\u53ef\u80fd\uff0c\u4f46\u4e0d\u662f\u5f88\u667a\u80fd\u3002\uff08\u4e5f\u8bb8\u6700\u597d\u4f7f\u7528\u4e00\u4e2a\u80fd\u8fde\u7eed\u5bfc\u51faCSV\u7684\u5de5\u5177\uff09<br \/>\n\u00b7 \u5728Cassandra\u4e2d\uff08\u5b9e\u9645\u4e0a\u5728\u5176\u4ed6\u5730\u65b9\u4e5f\u662f\u4e00\u6837\uff09\uff0c\u5347\u7ea7\u540e\u83b7\u53d6\u5230\u7684\u6307\u6807\u4f1a\u53d1\u751f\u53d8\u5316\uff08\u540d\u79f0\u53ef\u80fd\u4f1a\u6539\u53d8\u6216\u88ab\u5f03\u7528\uff09\uff0c\u6240\u4ee5\u8981\u6ce8\u610f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>0. 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