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https://issues.apache.org/jira/browse/CASSANDRA-3961?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Radim Kolar reassigned CASSANDRA-3961:
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Assignee: Radim Kolar
> Make index_interval configurable per column family
> --------------------------------------------------
>
> Key: CASSANDRA-3961
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3961
> Project: Cassandra
> Issue Type: Improvement
> Affects Versions: 1.0.7
> Environment: Cassandra 1.0.7/unix
> Reporter: Radim Kolar
> Assignee: Radim Kolar
> Priority: Minor
>
> After various experiments with mixing OLTP a OLAP workload running on single
> cassandra cluster i discovered that lot of memory is wasted on holding index
> samples for CF which are rarely accessed or index is not much used for CF
> access because slices over keys are used.
> There is per column family setting for configuring bloom filters -
> bloom_filter_fp_chance. Please add setting index_interval configurable per CF
> as well. If this setting is not set or it is zero, default from
> cassandra.yaml will be used.
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