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https://issues.apache.org/jira/browse/CASSANDRA-20937?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18113736#comment-18113736
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Stefan Miklosovic commented on CASSANDRA-20937:
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ci looks good on this already, relatively (1)
So far I went just with TWCS as other strategies are way more challenging.
(1)
https://app.circleci.com/pipelines/github/instaclustr/cassandra/6700/workflows/128977ca-b0b3-45fb-b7c1-07aff8394fa8
> Coordinate ZSTD dictionary auto-training on a single node
> ---------------------------------------------------------
>
> Key: CASSANDRA-20937
> URL: https://issues.apache.org/jira/browse/CASSANDRA-20937
> Project: Apache Cassandra
> Issue Type: New Feature
> Components: Feature/Compression
> Reporter: Yifan Cai
> Assignee: Stefan Miklosovic
> Priority: Normal
> Fix For: 7.x
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Ensure that ZSTD dictionary auto-training is performed by only one node in
> the cluster at a time.
> - Select a single node to handle the end-to-end workflow: sampling data,
> training the dictionary, evaluating performance, and promoting the dictionary
> if applicable.
> - Prevent multiple nodes from duplicating effort or promoting conflicting
> dictionaries.
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