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From "Varun Sharma (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8434) Allow users to trade lease recovery for MTTR
Date Thu, 25 Apr 2013 07:56:18 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8434?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13641546#comment-13641546
] 

Varun Sharma commented on HBASE-8434:
-------------------------------------

Okay - but then we need synchronous lease recovery for 0.94 - in HBASE 8389 - the patch v5
makes us skip lease recovery. I think either we revert that patch or we provide an option
to force lease recovery.

As I said above, this one is 0.94 specific and not for trunk and depends on what will come
out of 8389 - if we choose to ditch on lease recovery and revert to the same behaviour before
HBASE 8354, then we should have this...
                
> Allow users to trade lease recovery for MTTR
> --------------------------------------------
>
>                 Key: HBASE-8434
>                 URL: https://issues.apache.org/jira/browse/HBASE-8434
>             Project: HBase
>          Issue Type: Improvement
>          Components: MTTR
>            Reporter: Varun Sharma
>            Assignee: Varun Sharma
>             Fix For: 0.94.8
>
>         Attachments: 8434.patch
>
>
> Please see discussion in HBase 8389.
> For environments where lease recovery time can be bounded on the HDFS side through tight
timeouts, provide a toggle for users who want the WAL splitting to continue only after the
lease is recovered and the file is closed.

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