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From "Lars Hofhansl (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-4231) Flush regions in multiple threads
Date Tue, 28 Feb 2012 06:49:48 GMT

     [ https://issues.apache.org/jira/browse/HBASE-4231?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Lars Hofhansl updated HBASE-4231:

    Fix Version/s:     (was: 0.94.0)

Moving out of 0.96 for (although this would be a good performance improvement, so pull back
if you want to work on it)
> Flush regions in multiple threads
> ---------------------------------
>                 Key: HBASE-4231
>                 URL: https://issues.apache.org/jira/browse/HBASE-4231
>             Project: HBase
>          Issue Type: Improvement
>          Components: regionserver
>    Affects Versions: 0.94.0
>            Reporter: Todd Lipcon
>             Fix For: 0.96.0
> As servers get beefier, it makes less and less sense to have only a single thread do
flushes at a time. In watching an insert-only benchmark run, HBase isn't currently disk, network,
or CPU-bound -- it seems it's bound only by the rate at which flushes and compactions get
processed. Increasing the threading a bit here should increase total disk/network throughput

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