Kurt Greaves created CASSANDRA-13142:
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             Summary: Upgradesstables cancels compactions unnecessarily
                 Key: CASSANDRA-13142
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13142
             Project: Cassandra
          Issue Type: Bug
            Reporter: Kurt Greaves
            Priority: Minor


Since at least 1.2 upgradesstables will cancel any compactions bar validations 
when run. This was originally determined as a non-issue in CASSANDRA-3430 
however can be quite annoying (especially with STCS) as a compaction will 
output the new version anyway. Furthermore, as per CASSANDRA-12243 it also 
stops things like view builds and I assume secondary index builds as well which 
is not ideal.

We should avoid cancelling compactions unnecessarily.

I'd class this as a very minor bug, should at least be fixed from 3.0, but up 
for debate. The main negative effect is annoying operators (which I tend to 
rate pretty highly), but other than that there are no serious consequences.



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