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Posted to hdfs-issues@hadoop.apache.org by "Brahma Reddy Battula (JIRA)" <ji...@apache.org> on 2017/05/10 12:08:05 UTC
[jira] [Updated] (HDFS-11711) DN should not delete the block On
"Too many open files" Exception
[ https://issues.apache.org/jira/browse/HDFS-11711?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Brahma Reddy Battula updated HDFS-11711:
----------------------------------------
Attachment: HDFS-11711.patch
Uploaded the patch..Kindly Review.
> DN should not delete the block On "Too many open files" Exception
> -----------------------------------------------------------------
>
> Key: HDFS-11711
> URL: https://issues.apache.org/jira/browse/HDFS-11711
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
> Reporter: Brahma Reddy Battula
> Assignee: Brahma Reddy Battula
> Attachments: HDFS-11711.patch
>
>
> *Seen the following scenario in one of our customer environment*
> * while jobclient writing {{"job.xml"}} there are pipeline failures and written to only one DN.
> * when mapper reading the {{"job.xml"}}, DN got {{"Too many open files"}} (as system exceed limit) and block got deleted. Hence mapper failed to read and job got failed.
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