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Hudson commented on HADOOP-12325: --------------------------------- FAILURE: Integrated in Hadoop-Hdfs-trunk #2231 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/2231/]) HADOOP-12325. RPC Metrics : Add the ability track and log slow RPCs. Contributed by Anu Engineer (xyao: rev 48774d0a45d95557affbd6bbaf8035cc9575ef36) * hadoop-common-project/hadoop-common/CHANGES.txt * hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/metrics/RpcMetrics.java * hadoop-common-project/hadoop-common/src/test/proto/test_rpc_service.proto * hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/test/MetricsAsserts.java * hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/CommonConfigurationKeysPublic.java * hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/lib/MutableStat.java * hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/WritableRpcEngine.java * hadoop-common-project/hadoop-common/src/test/proto/test.proto * hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/ProtobufRpcEngine.java * hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ipc/TestProtoBufRpc.java * hadoop-common-project/hadoop-common/src/main/resources/core-default.xml * hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java > RPC Metrics : Add the ability track and log slow RPCs > ----------------------------------------------------- > > Key: HADOOP-12325 > URL: https://issues.apache.org/jira/browse/HADOOP-12325 > Project: Hadoop Common > Issue Type: Improvement > Components: ipc, metrics > Affects Versions: 2.7.1 > Reporter: Anu Engineer > Assignee: Anu Engineer > Fix For: 2.8.0 > > Attachments: Callers of WritableRpcEngine.call.png, > HADOOP-12325.001.patch, HADOOP-12325.002.patch, HADOOP-12325.003.patch, > HADOOP-12325.004.patch, HADOOP-12325.005.patch, HADOOP-12325.005.test.patch, > HADOOP-12325.006.patch > > > This JIRA proposes to add a counter called RpcSlowCalls and also a > configuration setting that allows users to log really slow RPCs. Slow RPCs > are RPCs that fall at 99th percentile. This is useful to troubleshoot why > certain services like name node freezes under heavy load. -- This message was sent by Atlassian JIRA (v6.3.4#6332)