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https://issues.apache.org/jira/browse/HADOOP-12325?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14710368#comment-14710368
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Hudson commented on HADOOP-12325:
---------------------------------
FAILURE: Integrated in Hadoop-Yarn-trunk-Java8 #305 (See
[https://builds.apache.org/job/Hadoop-Yarn-trunk-Java8/305/])
HADOOP-12325. RPC Metrics : Add the ability track and log slow RPCs.
Contributed by Anu Engineer (xyao: rev 48774d0a45d95557affbd6bbaf8035cc9575ef36)
*
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/WritableRpcEngine.java
*
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java
*
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/ipc/ProtobufRpcEngine.java
* hadoop-common-project/hadoop-common/CHANGES.txt
* hadoop-common-project/hadoop-common/src/test/proto/test.proto
*
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/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/metrics2/lib/MutableStat.java
*
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/CommonConfigurationKeysPublic.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.
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