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From "Mikhail Antonov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15136) Explore different queuing behaviors while busy
Date Thu, 03 Mar 2016 18:57:18 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15136?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15178371#comment-15178371
] 

Mikhail Antonov commented on HBASE-15136:
-----------------------------------------

Linked jira to fix flaky test.

[~stack] sure, would like to make it open. The indent here is to help prevent / mitigate call
queue buildups and associated latency spikes in case of either sudden increase of traffic
rate, or sudden decrease in available request throughput (raid card/disk issue, kernel lockup
etc). So, thorough test of this patch include two things - checking that performance doesn't
degrade in normal conditions (since locking was changed a bit), and verifying behavior in
case of various kinds of failures.

I'll post more data as we roll it out.

> Explore different queuing behaviors while busy
> ----------------------------------------------
>
>                 Key: HBASE-15136
>                 URL: https://issues.apache.org/jira/browse/HBASE-15136
>             Project: HBase
>          Issue Type: New Feature
>          Components: IPC/RPC
>            Reporter: Elliott Clark
>            Assignee: Mikhail Antonov
>             Fix For: 2.0.0, 1.3.0
>
>         Attachments: HBASE-15136-1.2.v1.patch, HBASE-15136-v2.patch, deadline_scheduler_v_0_2.patch
>
>
> http://queue.acm.org/detail.cfm?id=2839461



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