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From "ASF GitHub Bot (Jira)" <j...@apache.org>
Subject [jira] [Work logged] (HADOOP-17165) Implement service-user feature in DecayRPCScheduler
Date Tue, 01 Sep 2020 12:05:00 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-17165?focusedWorklogId=477171&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-477171

ASF GitHub Bot logged work on HADOOP-17165:

                Author: ASF GitHub Bot
            Created on: 01/Sep/20 12:04
            Start Date: 01/Sep/20 12:04
    Worklog Time Spent: 10m 
      Work Description: tasanuma commented on pull request #2240:
URL: https://github.com/apache/hadoop/pull/2240#issuecomment-684802793

   I've read the design documentation for [HADOOP-15016](https://issues.apache.org/jira/browse/HADOOP-15016)
and I believe that [HADOOP-17165](https://issues.apache.org/jira/browse/HADOOP-17165) could
co-exist with HADOOP-15016.
   * HADOOP-17165 adds the service user functionality to the existing prioritized FairCallQueue,
while HADOOP-15016 proposes to add new Reserved Queue.
   * HADOOP-17165 uses the term service user, while HADOOP-15016's POC patch uses the term
reserved user.

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Issue Time Tracking

            Worklog Id:     (was: 477171)
    Remaining Estimate: 0h
            Time Spent: 10m

> Implement service-user feature in DecayRPCScheduler
> ---------------------------------------------------
>                 Key: HADOOP-17165
>                 URL: https://issues.apache.org/jira/browse/HADOOP-17165
>             Project: Hadoop Common
>          Issue Type: New Feature
>            Reporter: Takanobu Asanuma
>            Assignee: Takanobu Asanuma
>            Priority: Major
>         Attachments: HADOOP-17165.001.patch, HADOOP-17165.002.patch, after.png, before.png
>          Time Spent: 10m
>  Remaining Estimate: 0h
> In our cluster, we want to use FairCallQueue to limit heavy users, but not want to restrict
certain users who are submitting important requests. This jira proposes to implement the service-user
feature that the user is always scheduled high-priority queue.
> According to HADOOP-9640, the initial concept of FCQ has this feature, but not implemented

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