hadoop-yarn-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "zhihai xu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-3241) Leading space, trailing space and empty sub queue name may cause MetricsException for fair scheduler
Date Tue, 17 Mar 2015 03:28:38 GMT

     [ https://issues.apache.org/jira/browse/YARN-3241?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

zhihai xu updated YARN-3241:
----------------------------
    Attachment: YARN-3241.000.patch

> Leading space, trailing space and empty sub queue name may cause MetricsException for
fair scheduler
> ----------------------------------------------------------------------------------------------------
>
>                 Key: YARN-3241
>                 URL: https://issues.apache.org/jira/browse/YARN-3241
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: scheduler
>            Reporter: zhihai xu
>            Assignee: zhihai xu
>         Attachments: YARN-3241.000.patch
>
>
> Leading space, trailing space and empty sub queue name may cause MetricsException(Metrics
source XXX already exists! ) when add application to FairScheduler.
> The reason is because QueueMetrics parse the queue name different from the QueueManager.
> QueueMetrics use Q_SPLITTER to parse queue name, it will remove Leading space and trailing
space in the sub queue name, It will also remove empty sub queue name.
> {code}
>   static final Splitter Q_SPLITTER =
>       Splitter.on('.').omitEmptyStrings().trimResults(); 
> {code}
> But QueueManager won't remove Leading space, trailing space and empty sub queue name.
> This will cause out of sync between FSQueue and FSQueueMetrics.
> QueueManager will think two queue names are different so it will try to create a new
queue.
> But FSQueueMetrics will treat these two queue names as same queue which will create "Metrics
source XXX already exists!" MetricsException.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Mime
View raw message