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From "ryan rawson (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-1513) Compactions too slow
Date Mon, 15 Jun 2009 05:48:07 GMT

     [ https://issues.apache.org/jira/browse/HBASE-1513?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

ryan rawson updated HBASE-1513:
-------------------------------

    Resolution: Fixed
        Status: Resolved  (was: Patch Available)

> Compactions too slow
> --------------------
>
>                 Key: HBASE-1513
>                 URL: https://issues.apache.org/jira/browse/HBASE-1513
>             Project: Hadoop HBase
>          Issue Type: Bug
>          Components: regionserver
>    Affects Versions: 0.20.0
>            Reporter: Billy Pearson
>            Assignee: ryan rawson
>            Priority: Blocker
>             Fix For: 0.20.0
>
>         Attachments: HBASE-1513-v2.patch, HBASE-1513-v3.patch, HBASE-1513-v4.patch, HBASE-1513.patch
>
>
>  know there was some changes to compaction a few days back I just got back 
> to where I could run imports with the new client api
> and noticing that compactions are vary slow I meand 100x+ slower then they 
> used to be I thought one of the servers compaction thread had died
> but after retesting and ruleing that out. 
> I tested with and without compression and with and with out 
> blockcache and all are running about the same
> I got one small compaction to complete it took 1977 secs to compact 48.56MB
> thats about 25kb sec

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