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From "Liyin Tang (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-5033) Opening/Closing store in parallel to reduce region open/close time
Date Mon, 19 Dec 2011 23:03:32 GMT

     [ https://issues.apache.org/jira/browse/HBASE-5033?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Liyin Tang updated HBASE-5033:
------------------------------

    Description: 
Region servers are opening/closing each store and each store file for every store in sequential
fashion, which may cause inefficiency to open/close regions. 

So this diff is to open/close each store in parallel in order to reduce region open/close
time. Also it would help to reduce the cluster restart time.

1) Opening each store in parallel
2) Loading each store file for every store in parallel
3) Closing each store in parallel
4) Closing each store file for every store in parallel.

  was:
1) Opening each store in parallel
2) Loading each store file for every store in parallel
3) Closing each store in parallel
4) Closing each store file for every store in parallel.

    
> Opening/Closing store in parallel to reduce region open/close time
> ------------------------------------------------------------------
>
>                 Key: HBASE-5033
>                 URL: https://issues.apache.org/jira/browse/HBASE-5033
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Liyin Tang
>            Assignee: Liyin Tang
>         Attachments: D933.1.patch
>
>
> Region servers are opening/closing each store and each store file for every store in
sequential fashion, which may cause inefficiency to open/close regions. 
> So this diff is to open/close each store in parallel in order to reduce region open/close
time. Also it would help to reduce the cluster restart time.
> 1) Opening each store in parallel
> 2) Loading each store file for every store in parallel
> 3) Closing each store in parallel
> 4) Closing each store file for every store in parallel.

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