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https://issues.apache.org/jira/browse/HBASE-13366?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14389418#comment-14389418
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Enis Soztutar commented on HBASE-13366:
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Each replica of a region has a different encoded name, and each request
(whether read or write) comes with target encoded region name. In no case, a
request intended for the primary ends up routed to the secondary (even if they
are in the same server). The client meta routing / caching layer also treats
them as different regions in terms of routing.
> Throw DoNotRetryIOException instead of read only IOException
> ------------------------------------------------------------
>
> Key: HBASE-13366
> URL: https://issues.apache.org/jira/browse/HBASE-13366
> Project: HBase
> Issue Type: Improvement
> Reporter: Liu Shaohui
> Assignee: Liu Shaohui
> Priority: Minor
> Fix For: 2.0.0
>
> Attachments: HBASE-13366-v1.diff
>
>
> Currently, the read only region just throws an IOException to the clients who
> send write requests to it. This will cause the clients retry for configured
> times or until operation timeout.
> Changing this exception to DoNotRetryIOException will make the client failed
> fast.
> Suggestions are welcomed~ Thanks
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