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https://issues.apache.org/jira/browse/CASSANDRA-1488?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Ellis updated CASSANDRA-1488:
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Fix Version/s: 0.7.0
(was: 0.7 beta 2)
> Allow index sampling ratio to be configured in storage-conf
> -----------------------------------------------------------
>
> Key: CASSANDRA-1488
> URL: https://issues.apache.org/jira/browse/CASSANDRA-1488
> Project: Cassandra
> Issue Type: New Feature
> Components: Core
> Reporter: Jonathan Ellis
> Assignee: Jon Hermes
> Priority: Minor
> Fix For: 0.6.6, 0.7.0
>
> Attachments: 1488.txt
>
>
> Cassandra keeps a sample of row keys in memory to look up the right block of
> index entries, to look up row data with. This is kept in the
> SSTableReader.indexSummary field. (See Google's BigTable paper for a
> high-level description of how this index works; cassandra's is slightly
> different in the details but the idea is the same.)
> We'd like to make IndexSummary.INDEX_INTERVAL configurable in
> storage-conf.xml, i.e., in the DatabaseDescriptor class. For 0.6, a global
> setting is fine.
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