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https://issues.apache.org/jira/browse/HADOOP-12822?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Akira AJISAKA updated HADOOP-12822:
-----------------------------------
Resolution: Fixed
Hadoop Flags: Reviewed
Fix Version/s: 2.8.0
Status: Resolved (was: Patch Available)
Committed this to branch-2.8 and above. Thanks [~boky01] for the contribution!
> Change "Metrics intern cache overflow" log level from WARN to INFO
> ------------------------------------------------------------------
>
> Key: HADOOP-12822
> URL: https://issues.apache.org/jira/browse/HADOOP-12822
> Project: Hadoop Common
> Issue Type: Improvement
> Components: metrics
> Reporter: Akira AJISAKA
> Assignee: Andras Bokor
> Priority: Minor
> Labels: newbie
> Fix For: 2.8.0
>
> Attachments: HADOOP-12822.patch, HADOOP-12822_2.patch
>
>
> Interns.java outputs "Metrics intern cache over flow" warn log for metrics
> info/tag when the cache reaches the hard-coded limit and the oldest cache is
> discarded for the first time. I'm thinking this log level can be changed to
> info because
> * there is no problem when the oldest cache is removed. if the metrics
> info/tag is not in the cache, simply create it.
> * we cannot configure the maximum size of the cache, so there is no way to
> stop the warn log.
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