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From "Lars Hofhansl (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-5682) Add retry logic in HConnectionImplementation#resetZooKeeperTrackers (for 0.94 only)
Date Sat, 31 Mar 2012 04:03:22 GMT

     [ https://issues.apache.org/jira/browse/HBASE-5682?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lars Hofhansl updated HBASE-5682:
---------------------------------

    Attachment: 5682-v2.txt

Slightly better patch.
No need to wait waitForRootRegion in ZK longer than RecoverableZookeeper tries.

With recovery is clean. The client can control via timeouts how soon it would it would a connection
problem up to the application layer.

Since this patch is only against 0.94 I'll run tests locally.
                
> Add retry logic in HConnectionImplementation#resetZooKeeperTrackers (for 0.94 only)
> -----------------------------------------------------------------------------------
>
>                 Key: HBASE-5682
>                 URL: https://issues.apache.org/jira/browse/HBASE-5682
>             Project: HBase
>          Issue Type: Improvement
>          Components: client
>            Reporter: Lars Hofhansl
>            Assignee: Lars Hofhansl
>             Fix For: 0.94.1
>
>         Attachments: 5682-v2.txt, 5682.txt
>
>
> Just realized that without this HBASE-4805 is broken.
> I.e. there's no point keeping a persistent HConnection around if it can be rendered permanently
unusable if the ZK connection is lost temporarily.
> Note that this is fixed in 0.96 with HBASE-5399 (but that seems to big to backport)

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