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https://issues.apache.org/jira/browse/HDFS-9087?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14909639#comment-14909639
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Hudson commented on HDFS-9087:
------------------------------
FAILURE: Integrated in Hadoop-Mapreduce-trunk #2391 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/2391/])
HDFS-9087. Add some jitter to DataNode.checkDiskErrorThread (Elliott Clark via
Colin P. McCabe) (cmccabe: rev 0b31c237f2622e256726fc5d7698f0f195dbdbc1)
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
> Add some jitter to DataNode.checkDiskErrorThread
> ------------------------------------------------
>
> Key: HDFS-9087
> URL: https://issues.apache.org/jira/browse/HDFS-9087
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
> Affects Versions: 2.6.0
> Reporter: Elliott Clark
> Assignee: Elliott Clark
> Attachments: HDFS-9087-v0.patch, HDFS-9087-v1.patch,
> HDFS-9087-v2.patch, HDFS-9087-v3.patch
>
>
> If all datanodes are started across a cluster at the same time (or errors in
> the network cause ioexceptions) there can be storms where lots of datanodes
> check their disks at the exact same time.
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