Jonathan Ellis created CASSANDRA-5745:
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Summary: Minor compaction tombstone-removal deadlock
Key: CASSANDRA-5745
URL: https://issues.apache.org/jira/browse/CASSANDRA-5745
Project: Cassandra
Issue Type: Bug
Components: Core
Reporter: Jonathan Ellis
Fix For: 2.0.1
>From a discussion with Axel Liljencrantz,
If you have two SSTables that have temporally overlapping data, you can get
lodged into a state where a compaction of SSTable A can't drop tombstones
because SSTable B contains older data *and vice versa*. Once that's happened,
Cassandra should be wedged into a state where CASSANDRA-4671 no longer helps
with tombstone removal. The only way to break the wedge would be to perform a
compaction containing both SSTable A and SSTable B.
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