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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-1008) [performance] The replay of logs on server crash takes way too long
Date Wed, 19 Nov 2008 18:56:44 GMT

     [ https://issues.apache.org/jira/browse/HBASE-1008?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack updated HBASE-1008:
-------------------------

    Fix Version/s:     (was: 0.20.0)
                   0.19.0

As is, this replay stuff is unacceptable.  Moving into 0.19.0.

Replay is slowing down with time.

Replay is not even multithread -- runs in series.

If master is shutdown during replay, looks like we lose edits (the region files will not be
closed).

> [performance] The replay of logs on server crash takes way too long
> -------------------------------------------------------------------
>
>                 Key: HBASE-1008
>                 URL: https://issues.apache.org/jira/browse/HBASE-1008
>             Project: Hadoop HBase
>          Issue Type: Improvement
>            Reporter: stack
>            Priority: Critical
>             Fix For: 0.19.0
>
>
> Watching recovery from a crash on streamy.com where there were 1048 logs and repay is
running at rate of about 20 seconds each.  Meantime these regions are not online.  This is
way too long to wait on recovery for a live site.  Marking critical.  Performance related
so priority and in 0.20.0.

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