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From "Josh Elser (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-17534) SecureBulkLoadClient squashes DoNotRetryIOExceptions from the server
Date Thu, 04 May 2017 16:59:04 GMT

     [ https://issues.apache.org/jira/browse/HBASE-17534?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Josh Elser updated HBASE-17534:
-------------------------------
      Resolution: Fixed
    Hadoop Flags: Reviewed
          Status: Resolved  (was: Patch Available)

Thanks again for the review, Sean.

For posterity, 2.0 (master) does not need this change due to SecureBulkLoadClient moving out
of the coprocessor realm and into the standard client RPC realm.

> SecureBulkLoadClient squashes DoNotRetryIOExceptions from the server
> --------------------------------------------------------------------
>
>                 Key: HBASE-17534
>                 URL: https://issues.apache.org/jira/browse/HBASE-17534
>             Project: HBase
>          Issue Type: Bug
>          Components: Client
>            Reporter: Josh Elser
>            Assignee: Josh Elser
>             Fix For: 1.4.0, 1.2.6, 1.3.2, 1.1.11
>
>         Attachments: HBASE-17534.001.branch-1.patch, HBASE-17534.002.branch-1.patch,
HBASE-17534.003.branch-1.patch, HBASE-17534.004.branch-1.patch, HBASE-17534.005.branch-1.patch,
HBASE-17534.006.branch-1.patch
>
>
> While writing some tests against 1.x, I noticed that what should have been a DoNotRetryIOException
sent to the client from a RegionServer was getting retried until it reached the hbase client
retries limit.
> Upon inspection, I found that the SecureBulkLoadClient was wrapping all Exceptions from
the RPC as an IOException. I believe this is creating a case where the RPC system doesn't
notice that there's a DNRIOException wrapped beneath it, thinking it's a transient error.
> This results in clients having to wait for the retry limit to be reached before they
get acknowledgement that something failed.



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