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https://issues.apache.org/jira/browse/CASSANDRA-4885?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Carl Yeksigian updated CASSANDRA-4885:
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Attachment: 4885-indexhelper.patch
> Remove or rework per-row bloom filters
> --------------------------------------
>
> Key: CASSANDRA-4885
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4885
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Jonathan Ellis
> Assignee: Jason Brown
> Fix For: 2.0
>
> Attachments: 0001-CASSANRDA-4885-Remove-per-row-bloom-filter.patch,
> 0002-CASSANRDA-4885-update-test.patch, 4885-indexhelper.patch, 4885-v1.patch,
> 4885-v2.patch
>
>
> Per-row bloom filters may be a misfeature.
> On small rows we don't create them.
> On large rows we essentially only do slice queries that can't take advantage
> of it.
> And on very large rows if we ever did deserialize it, the performance hit of
> doing so would outweigh the benefit of skipping the actual read.
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