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Posted to hdfs-dev@hadoop.apache.org by "Supratim Deka (JIRA)" <ji...@apache.org> on 2019/03/01 04:49:00 UTC

[jira] [Created] (HDDS-1203) Dynamic scheduling and pacing

Supratim Deka created HDDS-1203:
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             Summary: Dynamic scheduling and pacing
                 Key: HDDS-1203
                 URL: https://issues.apache.org/jira/browse/HDDS-1203
             Project: Hadoop Distributed Data Store
          Issue Type: Sub-task
          Components: Ozone Datanode
            Reporter: Supratim Deka


Control the rate of data scrub to utilize idle resources (disk bandwidth) on the Datanode and to limit the interference on client ops to within 5% under normal load conditions.

Increase the concurrency of scrub to one thread per Datanode/Disk volume. As part of basic framework sub-task, there is a single scrub thread per Datanode.



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