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https://issues.apache.org/jira/browse/HDFS-17801?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17993083#comment-17993083
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Dave Marion commented on HDFS-17801:
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Is this related to, or a duplicate of, HDFS-15413?
> EC: Reading support retryCurrentNode to avoid transient errors cause
> application level failures
> -----------------------------------------------------------------------------------------------
>
> Key: HDFS-17801
> URL: https://issues.apache.org/jira/browse/HDFS-17801
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: farmmamba
> Assignee: farmmamba
> Priority: Major
> Labels: pull-request-available
>
> Currently , there is no retry policy If we meet IOExcetion when creating
> block reader to read EC file. Suppose below case (using RS-6-3-1024k):
> The first 4 to 6 data blocks' datanodes are very busy at the same time,
> createBlockReader will timeout. This will cause read failure, we should make
> EC support retry mechanism to mitigate read failure.
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