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From "chunhui shen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-6134) Speed up distribued split log
Date Wed, 30 May 2012 06:47:23 GMT

     [ https://issues.apache.org/jira/browse/HBASE-6134?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

chunhui shen updated HBASE-6134:
--------------------------------

    Description: 
First,we do the test between local-master-split and distributed split log

Environment:34 hlog files, 5 regionservers,(after kill one, only 4 rs do ths splitting work)

local-master-split:60s+
distributed-split-log:165s+

In fact, in our production environment, distributed-split-log also took 60s with 30 regionservers
for 34 hlog files (regionserver may be in high load)

We found split-worker split one log file took about 20s.

I think we should do the improvement for this.
    
> Speed up distribued split log
> -----------------------------
>
>                 Key: HBASE-6134
>                 URL: https://issues.apache.org/jira/browse/HBASE-6134
>             Project: HBase
>          Issue Type: Improvement
>          Components: wal
>            Reporter: chunhui shen
>            Assignee: chunhui shen
>
> First,we do the test between local-master-split and distributed split log
> Environment:34 hlog files, 5 regionservers,(after kill one, only 4 rs do ths splitting
work)
> local-master-split:60s+
> distributed-split-log:165s+
> In fact, in our production environment, distributed-split-log also took 60s with 30 regionservers
for 34 hlog files (regionserver may be in high load)
> We found split-worker split one log file took about 20s.
> I think we should do the improvement for this.

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