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From "binlijin (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-7216) sync hlog writer just after create it, so trigger addBlock and establish write pipeline before the first hlog sync
Date Mon, 26 Nov 2012 04:54:58 GMT

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

binlijin updated HBASE-7216:
----------------------------

    Attachment: HBASE-7216.patch
    
> 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.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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