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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 19:58:43 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5813?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13256900#comment-13256900
] 

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

khemani 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:1733 It is probably
better to wrap the InterruptedException into a InterruptedIoException and throw it immediately.
  src/main/java/org/apache/hadoop/hbase/client/HConnectionManager.java:1665 Is a TreeMap needed?
Or a HashMap would have worked?
  src/main/java/org/apache/hadoop/hbase/client/HConnectionManager.java:1271 similar logic
ought to be present here in getRegionServerWithRetries()

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

BRANCH
  retry_immediately_after_a_HBASE-5813_v14

                
> 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,
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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