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https://issues.apache.org/jira/browse/CASSANDRA-17021?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yifan Cai updated CASSANDRA-17021:
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Fix Version/s: 5.1
6.x
Source Control Link:
https://github.com/apache/cassandra/commit/307603a4ad897e80dc466babdfa7cd8d44816646
Resolution: Fixed
Status: Resolved (was: Ready to Commit)
> Enhance Zstd support in Cassandra with dictionaries
> ---------------------------------------------------
>
> Key: CASSANDRA-17021
> URL: https://issues.apache.org/jira/browse/CASSANDRA-17021
> Project: Apache Cassandra
> Issue Type: Improvement
> Components: Feature/Compression
> Reporter: Dinesh Joshi
> Assignee: Yifan Cai
> Priority: Normal
> Fix For: 5.1, 6.x
>
> Time Spent: 17.5h
> Remaining Estimate: 0h
>
> Currently Cassandra supports zstd compression. However, Zstd also supports
> dictionaries to enhance not only the compression ratio but also the speed.
> Dictionaries can show 3-4x savings. We should add support to train
> dictionaries, ideally per SSTable this will yield the maximum gains.
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