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From "Josh Elser (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17534) SecureBulkLoadClient squashes DoNotRetryIOExceptions from the server
Date Thu, 04 May 2017 16:44:04 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17534?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15997043#comment-15997043

Josh Elser commented on HBASE-17534:

Alright, QA (now that it's happy) appears OK. Findbugs were already there, and TestReplicasClient
passes locally (seems to be about call cancellation, nothing to do with bulk loads). Going
to commit to branch-1.

> 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,
> 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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