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From "Nicolas Spiegelberg (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-3763) Add Bloom Block Index Support
Date Wed, 13 Apr 2011 00:37:05 GMT

     [ https://issues.apache.org/jira/browse/HBASE-3763?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Nicolas Spiegelberg updated HBASE-3763:
---------------------------------------

    Component/s: io
    Description: Add a way to save HBase Bloom filters into an array of Meta blocks instead
of one big Meta block, and load only the blocks required to answer a query.  This will allow
us faster bloom load times for large StoreFiles & pave the path for adding Bloom Filter
support to HFileOutputFormat bulk load.  (was: Adding a way to save HBase Bloom filters into
an array of Meta blocks instead of one big Meta block, and load only the blocks required to
answer a query. This behavior is controlled by the io.storefile.bloom.lazy configuration option,
which is set to false by default. Existing StoreFiles with single-block Bloom filters are
handled the same way as before.)
       Assignee: mikhail
        Summary: Add Bloom Block Index Support  (was: Splitting Bloom filters into multiple
meta blocks and loading those blocks on demand to avoid blocking on large Bloom filter loads
at read time)

> Add Bloom Block Index Support
> -----------------------------
>
>                 Key: HBASE-3763
>                 URL: https://issues.apache.org/jira/browse/HBASE-3763
>             Project: HBase
>          Issue Type: Improvement
>          Components: io, regionserver
>    Affects Versions: 0.89.20100924, 0.90.0, 0.90.1, 0.90.2
>            Reporter: mikhail
>            Assignee: mikhail
>            Priority: Minor
>              Labels: hbase, performance
>             Fix For: 0.89.20100924
>
>   Original Estimate: 0h
>  Remaining Estimate: 0h
>
> Add a way to save HBase Bloom filters into an array of Meta blocks instead of one big
Meta block, and load only the blocks required to answer a query.  This will allow us faster
bloom load times for large StoreFiles & pave the path for adding Bloom Filter support
to HFileOutputFormat bulk load.

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