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Hudson commented on HADOOP-16531: --------------------------------- FAILURE: Integrated in Jenkins build Hadoop-trunk-Commit #17244 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/17244/]) HADOOP-16531. Log more timing information for slow RPCs. Contributed by (xkrogen: rev a23417533e1ee052893baf207ec636c4993c5994) * (edit) hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java > Log more detail for slow RPC > ---------------------------- > > Key: HADOOP-16531 > URL: https://issues.apache.org/jira/browse/HADOOP-16531 > Project: Hadoop Common > Issue Type: Improvement > Reporter: Chen Zhang > Assignee: Chen Zhang > Priority: Major > Fix For: 3.3.0 > > Attachments: HADOOP-16531.001.patch > > > Current implementation only log process time > {code:java} > if ((rpcMetrics.getProcessingSampleCount() > minSampleSize) && > (processingTime > threeSigma)) { > LOG.warn("Slow RPC : {} took {} {} to process from client {}", > methodName, processingTime, RpcMetrics.TIMEUNIT, call); > rpcMetrics.incrSlowRpc(); > } > {code} > We need to log more details to help us locate the problem (eg. how long it > take to request lock, holding lock, or do other things) -- This message was sent by Atlassian Jira (v8.3.2#803003) --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org