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https://issues.apache.org/jira/browse/CASSANDRA-20935?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yifan Cai updated CASSANDRA-20935:
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Summary: Add sampling strategies and reservoir for ZSTD dictionary training
(was: dd sampling strategies and reservoir for ZSTD dictionary training)
> Add sampling strategies and reservoir for ZSTD dictionary training
> ------------------------------------------------------------------
>
> Key: CASSANDRA-20935
> URL: https://issues.apache.org/jira/browse/CASSANDRA-20935
> Project: Apache Cassandra
> Issue Type: New Feature
> Reporter: Yifan Cai
> Assignee: Yifan Cai
> Priority: Normal
>
> Introduce support for sampling strategies in ZSTD dictionary auto-training
> and persist sampled data in a reservoir for reuse.
> - Support: random sampling and exponential decay reservoir sampling.
> - Maintain a reservoir of sampled data for consistent and representative
> training.
> - Ensure integration between sampling and reservoir storage is seamless.
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