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https://issues.apache.org/jira/browse/HADOOP-15726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16621208#comment-16621208
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Hudson commented on HADOOP-15726:
---------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #15022 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/15022/])
HADOOP-15726. Create utility to limit frequency of log statements. (cliang: rev
a30b4f9e71cf53f79c38878d6cbe5bbe79bcb277)
* (add)
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/log/LogThrottlingHelper.java
* (add)
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/log/TestLogThrottlingHelper.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystemLock.java
> Create utility to limit frequency of log statements
> ---------------------------------------------------
>
> Key: HADOOP-15726
> URL: https://issues.apache.org/jira/browse/HADOOP-15726
> Project: Hadoop Common
> Issue Type: Improvement
> Components: common, util
> Reporter: Erik Krogen
> Assignee: Erik Krogen
> Priority: Major
> Fix For: 3.2.0
>
> Attachments: HADOOP-15726.000.patch, HADOOP-15726.001.patch,
> HADOOP-15726.002.patch, HADOOP-15726.003.patch
>
>
> There is a common pattern of logging a behavior that is normally extraneous.
> Under some circumstances, such a behavior becomes common, flooding the logs
> and making it difficult to see what else is going on in the system. Under
> such situations it is beneficial to limit how frequently the extraneous
> behavior is logged, while capturing some summary information about the
> suppressed log statements.
> This is currently implemented in {{FSNamesystemLock}} (in HDFS-10713). We
> have additional use cases for this in HDFS-13791, so this is a good time to
> create a common utility for different sites to share this logic.
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