Nick Bailey created CASSANDRA-5722:
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Summary: Cleanup should skip sstables that don't contain data
outside a nodes ranges
Key: CASSANDRA-5722
URL: https://issues.apache.org/jira/browse/CASSANDRA-5722
Project: Cassandra
Issue Type: Improvement
Reporter: Nick Bailey
Fix For: 2.0.1
Right now cleanup is optimized to simply delete sstables that *only* contain
data that doesn't belong on the node, for all other sstables though, it will
read them, check each row, and write out new sstables.
Cleanup could be optimized to look at an sstable and determine that all data
within the sstable does belong on a node, and therefore skip re-writing that
sstable. This would make cleanup essentially a noop in the case where all data
on a node belongs on that node.
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