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Posted to issues@hbase.apache.org by "Sergey Shelukhin (JIRA)" <ji...@apache.org> on 2013/06/12 04:08:20 UTC

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

    [ https://issues.apache.org/jira/browse/HBASE-8715?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13680895#comment-13680895 ] 

Sergey Shelukhin commented on HBASE-8715:
-----------------------------------------

HBase uses HDFS as main backing storage, so this will have to go thru it to actual file system level; does there need to be an HDFS JIRA to plumb this thru?
                
> 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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