[jira] [Created] (CASSANDRA-17931) Augment our disk space checks for compaction

["Josh McKenzie (Jira)" <ji...@apache.org>]

Josh McKenzie created CASSANDRA-17931:
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             Summary: Augment our disk space checks for compaction
                 Key: CASSANDRA-17931
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-17931
             Project: Cassandra
          Issue Type: Improvement
          Components: Local/Compaction
            Reporter: Josh McKenzie
            Assignee: Josh McKenzie


There are a few things we can augment in how we handle compactions locally to improve upon the very simple "keep X Mebibytes free on disk" we currently have:
 # Allow specification of free space available in percent rather than raw size
 # Do this on a per-disk basis based on what's going on with compactions
 # Include an estimate of the disk space of active compactions in flight when we do the above calculation check so we don't blow past our limits due to concurrent runs

 



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