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https://issues.apache.org/jira/browse/HDFS-8522?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14569925#comment-14569925
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Xiaoyu Yao commented on HDFS-8522:
----------------------------------
RollingWindowManager.java:getTopUsersForMetric issue has been fixed in
HDFS-7890.
> Change heavily recorded NN logs from INFO level to DEBUG level
> --------------------------------------------------------------
>
> Key: HDFS-8522
> URL: https://issues.apache.org/jira/browse/HDFS-8522
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Xiaoyu Yao
> Assignee: Xiaoyu Yao
>
> More specifically, the default namenode log settings have its log flooded
> with the following entries. This JIRA is opened to change them from INFO to
> DEBUG level.
> {code}
> FSNamesystem.java:listCorruptFileBlocks
> RollingWindowManager.java:getTopUsersForMetric
> {code}
> {code}
> 2015-06-02 22:31:54,886 INFO namenode.FSNamesystem
> (FSNamesystem.java:listCorruptFileBlocks(6567)) - there are no corrupt file
> blocks.
> 2015-06-02 22:31:57,752 INFO namenode.FSNamesystem
> (FSNamesystem.java:listCorruptFileBlocks(6567)) - there are no corrupt file
> blocks.
> 2015-06-02 22:31:57,759 INFO window.RollingWindowManager
> (RollingWindowManager.java:getTopUsersForMetric(248)) - topN size for command
> getfileinfo is: 0
> 2015-06-02 22:31:57,759 INFO window.RollingWindowManager
> (RollingWindowManager.java:getTopUsersForMetric(248)) - topN size for command
> * is: 0
> 2015-06-02 22:31:57,761 INFO window.RollingWindowManager
> (RollingWindowManager.java:getTopUsersForMetric(248)) - topN size for command
> getfileinfo is: 1
> 2015-06-02 22:31:57,766 INFO window.RollingWindowManager
> (RollingWindowManager.java:getTopUsersForMetric(248)) - topN size for command
> * is: 1
> 2015-06-02 22:31:57,767 INFO window.RollingWindowManager
> (RollingWindowManager.java:getTopUsersForMetric(248)) - topN size for command
> getfileinfo is: 1
> 2015-06-02 22:31:57,767 INFO window.RollingWindowManager
> (RollingWindowManager.java:getTopUsersForMetric(248)) - topN size for command
> * is: 1
> 2015-06-02 22:31:57,798 INFO namenode.FSNamesystem
> (FSNamesystem.java:listCorruptFileBlocks(6567)) - there are no corrupt file
> blocks.
> 2015-06-02 22:31:57,799 INFO window.RollingWindowManager
> (RollingWindowManager.java:getTopUsersForMetric(248)) - topN size for command
> getfileinfo is: 0
> 2015-06-02 22:31:57,799 INFO window.RollingWindowManager
> (RollingWindowManager.java:getTopUsersForMetric(248)) - topN size for command
> * is: 0
> 2015-06-02 22:31:57,799 INFO window.RollingWindowManager
> (RollingWindowManager.java:getTopUsersForMetric(248)) - topN size for command
> getfileinfo is: 0
> 2015-06-02 22:31:57,799 INFO window.RollingWindowManager
> (RollingWindowManager.java:getTopUsersForMetric(248)) - topN size for command
> * is: 0
> 2015-06-02 22:31:57,799 INFO window.RollingWindowManager
> (RollingWindowManager.java:getTopUsersForMetric(248)) - topN size for command
> getfileinfo is: 1
> 2015-06-02 22:31:57,799 INFO window.RollingWindowManager
> (RollingWindowManager.java:getTopUsersForMetric(248)) - topN size for command
> * is: 1
> 2015-06-02 22:31:57,799 INFO window.RollingWindowManager
> (RollingWindowManager.java:getTopUsersForMetric(248)) - topN size for command
> getfileinfo is: 1
> 2015-06-02 22:31:57,799 INFO window.RollingWindowManager
> (RollingWindowManager.java:getTopUsersForMetric(248)) - topN size for command
> * is: 1
> 2015-06-02 22:32:05,195 INFO namenode.FSNamesystem
> (FSNamesystem.java:listCorruptFileBlocks(6567)) - there are no corrupt file
> blocks.
> {code}
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