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From "Phabricator (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5813) Retry immediately after a NotServingRegionException in a multiput
Date Wed, 18 Apr 2012 21:32:40 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5813?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13256988#comment-13256988
] 

Phabricator commented on HBASE-5813:
------------------------------------

mbautin has commented on the revision "[jira] [HBASE-5813] [89-fb] Retry immediately after
a NotServingRegionException in a multiput".

  All unit tests passed. I also ran Test*ServerCmdLine tests from D2811 and checked the logs
for retries after a NotServingRegionException. This fix did save two five-second pauses in
those tests.

REVISION DETAIL
  https://reviews.facebook.net/D2847

BRANCH
  retry_immediately_after_a_HBASE-5813_v17

                
> Retry immediately after a NotServingRegionException in a multiput
> -----------------------------------------------------------------
>
>                 Key: HBASE-5813
>                 URL: https://issues.apache.org/jira/browse/HBASE-5813
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Mikhail Bautin
>            Assignee: Mikhail Bautin
>         Attachments: D2847.1.patch, D2847.10.patch, D2847.11.patch, D2847.2.patch, D2847.3.patch,
D2847.4.patch, D2847.5.patch, D2847.6.patch, D2847.7.patch, D2847.8.patch, D2847.9.patch
>
>
> After we get some errors in a multiput we invalidate the region location cache and wait
for the configured time interval according to the backoff policy. However, if all "errors"
in multiput processing were NotServingRegionExceptions, we don't really need to wait. We can
retry immediately.

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