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Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2013/12/09 01:43:07 UTC

[jira] [Resolved] (HBASE-7216) sync hlog writer just after create it, so trigger addBlock and establish write pipeline before the first hlog sync

     [ https://issues.apache.org/jira/browse/HBASE-7216?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

stack resolved HBASE-7216.
--------------------------

      Resolution: Duplicate
    Release Note: Resolving as dup of HBASE-10010.  This patch seems to have gone stale also.  I only see SequenceFileLogWriter out in hbase-server/src/test/main now.

> sync hlog writer just after create it, so trigger addBlock and establish write pipeline before the first hlog sync
> ------------------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-7216
>                 URL: https://issues.apache.org/jira/browse/HBASE-7216
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: binlijin
>         Attachments: HBASE-7216-94.patch, HBASE-7216.patch
>
>
> Current when hlog rollWriter:
> (1)createWriter will call ClientProtocol.create
> (2)first hlog sync will trigger ClientProtocol.addBlock and establish write pipeline 
> we can sync the outputstream to force trigger ClientProtocol.addBlock and establish write pipeline before the first hlog sync 



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