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Posted to commits@cassandra.apache.org by "Dinesh Joshi (Jira)" <ji...@apache.org> on 2021/10/08 18:12:00 UTC
[jira] [Updated] (CASSANDRA-17021) Enhance Zstd support in
Cassandra with dictionaries
[ https://issues.apache.org/jira/browse/CASSANDRA-17021?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Dinesh Joshi updated CASSANDRA-17021:
-------------------------------------
Change Category: Performance
Complexity: Normal
Reviewers: Dinesh Joshi
Status: Open (was: Triage Needed)
> Enhance Zstd support in Cassandra with dictionaries
> ---------------------------------------------------
>
> Key: CASSANDRA-17021
> URL: https://issues.apache.org/jira/browse/CASSANDRA-17021
> Project: Cassandra
> Issue Type: Improvement
> Components: Feature/Compression
> Reporter: Dinesh Joshi
> Assignee: Yifan Cai
> Priority: Normal
>
> 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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