orphaned data files may be created during migration race
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Key: CASSANDRA-2381
URL: https://issues.apache.org/jira/browse/CASSANDRA-2381
Project: Cassandra
Issue Type: Bug
Components: Core
Affects Versions: 0.7.0
Reporter: Jonathan Ellis
Assignee: Jonathan Ellis
Priority: Minor
Fix For: 0.7.5
We try to prevent creating orphans by locking Table.flusherLock in
maybeSwitchMemtable and the Migration process, but since the actual writing is
done asynchronously in Memtable.writeSortedContents there is a race window,
where we acquire lock in maybeSwitch, we're not dropped so we queue the flush
and release the lock, Migration does the drop, then Memtable writes itself out.
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