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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 17:36:40 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5813?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13256735#comment-13256735
] 

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

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

INLINE COMMENTS
  src/main/java/org/apache/hadoop/hbase/client/HConnectionManager.java:1736 We add locations
for all regions participating in the query to newRegionLocations in the initial loop of this
function.
  src/main/java/org/apache/hadoop/hbase/client/HConnectionManager.java:1663 Good catch!

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

BRANCH
  retry_immediately_after_a_HBASE-5813_v8

                
> 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, D2847.2.patch, D2847.3.patch, D2847.4.patch, D2847.5.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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