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From "Stu Hood (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (CASSANDRA-792) Configurable 'merge factor' for Column Families
Date Fri, 26 Mar 2010 00:54:27 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-792?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Stu Hood resolved CASSANDRA-792.
--------------------------------

    Resolution: Won't Fix

> Configurable 'merge factor' for Column Families
> -----------------------------------------------
>
>                 Key: CASSANDRA-792
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-792
>             Project: Cassandra
>          Issue Type: New Feature
>            Reporter: Stu Hood
>            Assignee: Stu Hood
>             Fix For: 0.7
>
>         Attachments: 0001-Use-logarithmic-bucket-sizes-and-always-compact-the-.patch,
0002-Cap-memory-usage-for-all-SSTables-being-compacted.patch, 0003-Hardcoded-per-cf-merge-factor.patch,
0004-Configurable-MergeFactor.patch
>
>
> Apache Lucene flushes and merges 'segments' in a manner that is quite similar to the
treatment of Cassandra's sstables.
> One interesting and powerful tunable that Lucene provides is 'mergeFactor':
> EDIT: better link: http://hudson.zones.apache.org/hudson/job/Lucene-trunk/javadoc/core/org/apache/lucene/index/IndexWriter.html#setMergeFactor(int)

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