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From "Gabriel Reid (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (CRUNCH-608) HFile creation doesn't write Bloom filters
Date Thu, 12 May 2016 19:16:12 GMT

     [ https://issues.apache.org/jira/browse/CRUNCH-608?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gabriel Reid resolved CRUNCH-608.
---------------------------------
       Resolution: Fixed
    Fix Version/s: 0.15.0

Pushed to master

> HFile creation doesn't write Bloom filters
> ------------------------------------------
>
>                 Key: CRUNCH-608
>                 URL: https://issues.apache.org/jira/browse/CRUNCH-608
>             Project: Crunch
>          Issue Type: Bug
>            Reporter: Gabriel Reid
>            Assignee: Gabriel Reid
>             Fix For: 0.15.0
>
>         Attachments: CRUNCH-608.patch
>
>
> The HFile writing logic in HFileOutputFormatForCrunch doesn't write Bloom filter data
to the created HFiles, even if bloom filters are enabled on the column family that is being
written (which is the default).
> This means that the created HFiles may offer degraded performance (until they are replaced
via compaction) when searching for rows which don't exist in the given HFiles.



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