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https://issues.apache.org/jira/browse/HDFS-17801?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris Nauroth updated HDFS-17801:
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Target Version/s: 3.5.1
> EC supports createBlockReader retry when IOException occurs
> -----------------------------------------------------------
>
> Key: HDFS-17801
> URL: https://issues.apache.org/jira/browse/HDFS-17801
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Haobo Zhang
> Assignee: Haobo Zhang
> 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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