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Posted to issues@hbase.apache.org by "Pritam Damania (JIRA)" <ji...@apache.org> on 2013/06/08 01:22:20 UTC

[jira] [Created] (HBASE-8715) HBase should support IO QOS

Pritam Damania created HBASE-8715:
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             Summary: HBase should support IO QOS
                 Key: HBASE-8715
                 URL: https://issues.apache.org/jira/browse/HBASE-8715
             Project: HBase
          Issue Type: New Feature
            Reporter: Pritam Damania
            Priority: Minor


The operating system exposes system calls like ioprio_set/get to set priorities for various threads doing IO.

HBase can use this to accordingly prioritize operations like flushes/compactions/WAL write etc to use the disk bandwidth more efficiently.

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