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Posted to common-issues@hadoop.apache.org by "Akira AJISAKA (JIRA)" <ji...@apache.org> on 2016/03/09 09:22:40 UTC

[jira] [Updated] (HADOOP-12822) Change "Metrics intern cache overflow" log level from WARN to INFO

     [ https://issues.apache.org/jira/browse/HADOOP-12822?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Akira AJISAKA updated HADOOP-12822:
-----------------------------------
    Labels: newbie  (was: )

> 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
>            Priority: Minor
>              Labels: newbie
>
> 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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