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Posted to common-issues@hadoop.apache.org by "Zhe Zhang (JIRA)" <ji...@apache.org> on 2016/10/26 00:04:58 UTC
[jira] [Updated] (HADOOP-12325) RPC Metrics : Add the ability track
and log slow RPCs
[ https://issues.apache.org/jira/browse/HADOOP-12325?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Zhe Zhang updated HADOOP-12325:
-------------------------------
Attachment: HADOOP-12325-branch-2.7.00.patch
> 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, 3.0.0-alpha1
>
> Attachments: Callers of WritableRpcEngine.call.png, HADOOP-12325-branch-2.7.00.patch, 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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