Brooke Bryan created CASSANDRA-5366:
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Summary: UpgradeSSTables Optimisation
Key: CASSANDRA-5366
URL: https://issues.apache.org/jira/browse/CASSANDRA-5366
Project: Cassandra
Issue Type: Improvement
Reporter: Brooke Bryan
Currently, if you run upgradesstables, cassandra will run through every single
SSTable within the scope of the request. Where we have some large tables, an
upgrade on a single sstable can take hours, even if its already sat on the same
version.
After upgrading to a new cassandra version, it would be ideal to be able to
upgrade only sstables not sat in the latest version, as it seems like it just
needs to do a massive amount of disk IO, with nothing being achieved at the end
of it.
Maybe its worth putting an option onto the nodetool command, or creating a new
command for this type of upgrade
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