Yifan Cai created CASSANDRA-20937:
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Summary: 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
Reporter: Yifan Cai
Assignee: Yifan Cai
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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