T Jake Luciani created CASSANDRA-15703:
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Summary: When CDC is disabled bootstrapping breaks
Key: CASSANDRA-15703
URL: https://issues.apache.org/jira/browse/CASSANDRA-15703
Project: Cassandra
Issue Type: Bug
Components: Consistency/Bootstrap and Decommission
Reporter: T Jake Luciani
Related to CASSANDRA-12697
There is an edge case left over. If a cluster had enabled CDC on a table then
subsequently set cdc=false, subsequent bootstraps break.
This is because the cdc column is false on the existing nodes but null on the
bootstrapping node, causing the schema sha to never match.
There are a couple possible fixes:
1. Since 12697 was only about upgrades we can serialize the cdc column IFF
the cluster nodes are all on the same version.
2. We can force cdc=false on all tables where it's null.
I think #1 is probably simpler. #2 would probably cause more of the same
problem if nodes are not all updated with the fix.
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