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Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2010/11/02 22:55:33 UTC

[jira] Updated: (HBASE-2467) Concurrent flushers in HLog sync using HDFS-895

     [ https://issues.apache.org/jira/browse/HBASE-2467?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

stack updated HBASE-2467:
-------------------------

    Priority: Blocker  (was: Critical)

We have to have this to ship.  Made it a blocker.  HDFS-895 is client-side only (check) so we can make our own hadoop jar if we have to.

> Concurrent flushers in HLog sync using HDFS-895
> -----------------------------------------------
>
>                 Key: HBASE-2467
>                 URL: https://issues.apache.org/jira/browse/HBASE-2467
>             Project: HBase
>          Issue Type: Improvement
>          Components: regionserver
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Blocker
>             Fix For: 0.90.0
>
>         Attachments: HBASE-2467-v2.patch, HBASE-2467-v3.patch, hbase-2467.txt
>
>
> HDFS-895 changes hflush() to be able to run concurrently from multiple threads, where flushes can be concurrent with further writes to the same file.
> We need to rip out/amend the group commit code a bit to take advantage of this.

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