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https://issues.apache.org/jira/browse/HDFS-8272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14520607#comment-14520607
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Jing Zhao commented on HDFS-8272:
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So far I do not know any specific tests for the retry logic of DFSInputStream.
I guess we can create a jira to test this for {{DFSStripedInputStream}}.
> Erasure Coding: simplify the retry logic in DFSStripedInputStream (stateful
> read)
> ---------------------------------------------------------------------------------
>
> Key: HDFS-8272
> URL: https://issues.apache.org/jira/browse/HDFS-8272
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Jing Zhao
> Assignee: Jing Zhao
> Fix For: HDFS-7285
>
> Attachments: HDFS-8272.002.patch, h8272-HDFS-7285.000.patch,
> h8272-HDFS-7285.001.patch
>
>
> Currently in DFSStripedInputStream the retry logic is still the same with
> DFSInputStream. More specifically, every failed read will try to search for
> another source node. And an exception is thrown when no new source node can
> be identified. This logic is not appropriate for EC inputstream and can be
> simplified.
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