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Posted to issues@hbase.apache.org by "Biju Nair (JIRA)" <ji...@apache.org> on 2019/05/17 03:16:00 UTC

[jira] [Updated] (HBASE-16023) Fastpath for the FIFO rpcscheduler

     [ https://issues.apache.org/jira/browse/HBASE-16023?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Biju Nair updated HBASE-16023:
------------------------------
    Component/s: Scheduler

> Fastpath for the FIFO rpcscheduler
> ----------------------------------
>
>                 Key: HBASE-16023
>                 URL: https://issues.apache.org/jira/browse/HBASE-16023
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Performance, rpc, Scheduler
>    Affects Versions: 1.3.0, 2.0.0
>            Reporter: stack
>            Assignee: stack
>            Priority: Major
>             Fix For: 1.3.0, 2.0.0
>
>         Attachments: HBASE-16023.addenum.patch, HBASE-16023.branch-1.001.patch, hits.nofifo.fifoplusfp.fifownofp.hacks.png
>
>
> This is an idea copied from kudu where we skip queuing a request if there is a handler ready to go; we just do a direct handoff from reader to handler.
> Makes for close to a %20 improvement in random read workloadc testing moving the bottleneck to HBASE-15716 and to returning the results.



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