[ https://issues.apache.org/jira/browse/HADOOP-14492?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Erik Krogen resolved HADOOP-14492. ---------------------------------- Resolution: Invalid > RpcDetailedMetrics and NameNodeMetrics use different rate metrics abstraction > cause the Xavgtime confused > --------------------------------------------------------------------------------------------------------- > > Key: HADOOP-14492 > URL: https://issues.apache.org/jira/browse/HADOOP-14492 > Project: Hadoop Common > Issue Type: Bug > Components: metrics > Affects Versions: 2.8.0, 2.7.4 > Reporter: Lantao Jin > Assignee: Erik Krogen > Priority: Minor > > For performance purpose, > [HADOOP-13782|https://issues.apache.org/jira/browse/HADOOP-13782] change the > metrics behaviour in {{RpcDetailedMetrics}}. > In 2.7.4: > {code} > public class RpcDetailedMetrics { > @Metric MutableRatesWithAggregation rates; > {code} > In old version: > {code} > public class RpcDetailedMetrics { > @Metric MutableRates rates; > {code} > But {{NameNodeMetrics}} still use {{MutableRate}} whatever in the new or old > version: > {code} > public class NameNodeMetrics { > @Metric("Block report") MutableRate blockReport; > {code} > It causes the metrics in JMX very different between them. > {quote} > name: "Hadoop:service=NameNode,name=RpcDetailedActivityForPort8030", > modelerType: "RpcDetailedActivityForPort8030", > tag.port: "8030", > tag.Context: "rpcdetailed", > ... > BlockReportNumOps: 237634, > BlockReportAvgTime: 1382, > ... > name: "Hadoop:service=NameNode,name=NameNodeActivity", > modelerType: "NameNodeActivity", > tag.ProcessName: "NameNode", > ... > BlockReportNumOps: 2592932, > BlockReportAvgTime: 19.258064516129032, > ... > {quote} > In the old version. They are correct. -- This message was sent by Atlassian JIRA (v6.3.15#6346) --------------------------------------------------------------------- To unsubscribe, e-mail: common-dev-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-dev-h...@hadoop.apache.org