Hanson created CASSANDRA-7548:
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             Summary: Disk I/O priority control for Compaction and Flusher
                 Key: CASSANDRA-7548
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7548
             Project: Cassandra
          Issue Type: Improvement
          Components: Core
            Reporter: Hanson


Disk I/O priority: Memtables Flusher shall have higher priority than Compaction.
This is to avoid DB Insert/Update hung (spikes) during SSTables Compaction. The 
Compaction shall be able to detect the in-progress of Memtables flushing, and 
slow down itself for disk I/O.




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