Sam Tunnicliffe created CASSANDRA-11329:
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Summary: Indexers are not informed when expired rows are
encountered in compaction
Key: CASSANDRA-11329
URL: https://issues.apache.org/jira/browse/CASSANDRA-11329
Project: Cassandra
Issue Type: Bug
Components: Compaction
Reporter: Sam Tunnicliffe
Assignee: Sam Tunnicliffe
Fix For: 3.0.x, 3.x
When rows are merged during a compaction, if the row resulting from that merge
is expired due to a row level ttl, registered indexes should be notified.
Index implementers need to be aware that just because an expired row is written
to the new SSTable, it doesn't necessarily mean that the index should purge its
entry/entries for that row as there may still be be live data in other
SSTables.
That said, it should probably be the responsibility of the index implementation
to manage that, but at the moment the handling of an
{{onPrimaryKeyLivenessInfo}} event during compaction is a no-op and doesn't
cause the registered indexes to be notified.
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