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Posted to commits@cassandra.apache.org by "sankalp kohli (JIRA)" <ji...@apache.org> on 2014/10/29 22:46:34 UTC

[jira] [Created] (CASSANDRA-8219) Support for overflow disk

sankalp kohli created CASSANDRA-8219:
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             Summary: Support for overflow disk
                 Key: CASSANDRA-8219
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8219
             Project: Cassandra
          Issue Type: Improvement
            Reporter: sankalp kohli
            Priority: Minor


During repairs and other operation like force compaction, the requirement of disk space is more than normal.  We should add an option of overflow disk which will only be used when the primary drive is x% full. Once the primary drive has more space, all new data will again start going to primary drive. Optionally, we can expose a way to compact/move all sstable in overflow directory back into primary to free up overflow disk.  One of the use case of this will be to use a spinning disk as overflow disk or share a disk between multiple instances.



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