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Posted to commits@cassandra.apache.org by "Stefan Miklosovic (Jira)" <ji...@apache.org> on 2026/02/04 03:52:00 UTC

[jira] [Created] (CASSANDRA-21157) Add table_id column into system_distributed.compression_dictionaries

Stefan Miklosovic created CASSANDRA-21157:
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             Summary: Add table_id column into system_distributed.compression_dictionaries
                 Key: CASSANDRA-21157
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-21157
             Project: Apache Cassandra
          Issue Type: Task
            Reporter: Stefan Miklosovic


When a table is re-created, its keyspace / table name is same but their schema might differ. If we re-use compression dictionary for such a table then the compression process will effectively use a dictionary for a table it was not trained for. table_id will make each dictionary unique as re-creation of a table will yield different table id so they will not be mistaken even keyspace / table combo is same. 



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