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Posted to commits@cassandra.apache.org by "Vitalii Ishchenko (JIRA)" <ji...@apache.org> on 2018/12/21 15:49:00 UTC
[jira] [Created] (CASSANDRA-14945) During garbagecollect use index
check for tombstone removals
Vitalii Ishchenko created CASSANDRA-14945:
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Summary: During garbagecollect use index check for tombstone removals
Key: CASSANDRA-14945
URL: https://issues.apache.org/jira/browse/CASSANDRA-14945
Project: Cassandra
Issue Type: Improvement
Components: Compaction
Reporter: Vitalii Ishchenko
nodetool garbagecollect command may be further improved to actually remove more tombstones. Right now bloom filter is used and may give false positives preventing tombstone removal if min table timestamp is less than tombstone timestamp.
Disabling bloom filter should do the trick, but currently there is a bug in compaction with bloom filter turned off CASSANDRA-14944
As improvement index can be always checked if garbagecollect compaction is done
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