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From "Nicolas Spiegelberg (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HBASE-3007) StoreFile Blooms are Being Stored Undersized
Date Thu, 17 Mar 2011 19:36:29 GMT

     [ https://issues.apache.org/jira/browse/HBASE-3007?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Nicolas Spiegelberg resolved HBASE-3007.
----------------------------------------

    Resolution: Duplicate

> StoreFile Blooms are Being Stored Undersized
> --------------------------------------------
>
>                 Key: HBASE-3007
>                 URL: https://issues.apache.org/jira/browse/HBASE-3007
>             Project: HBase
>          Issue Type: Bug
>          Components: regionserver
>    Affects Versions: 0.89.20100621
>            Reporter: Nicolas Spiegelberg
>            Assignee: Nicolas Spiegelberg
>            Priority: Minor
>
> While looking through error logs today, I noticed the following line.
> {code}
>  2010-09-16 04:12:26,401 INFO org.apache.hadoop.hbase.regionserver.StoreFile: Bloom added
to HFile.  9600B, 10292/6933 (148%) 
> {code}
> The last 3 numbers are: # of keys in bloom, # of keys preallocated for bloom, % full.
 The last number should never be > 100%.  Oversized blooms will cause increased false positives.
 Note that this occurred on a Row+Col bloom.  Will provide more details after further instrumentation.

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