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https://issues.apache.org/jira/browse/YARN-4396?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lin Yiqun updated YARN-4396:
----------------------------
Attachment: YARN-4396.003.patch
Add the debug infos in {{getAllowedLocalityLevelByTime}} and
{{getAllowedLocalityLevel}} methods.A sample info:
* getAllowedLocalityLevelByTime:
{code}
2015-11-27 09:54:21,553 DEBUG
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt:
Waiting time is 32570 ms, more than nodeLocalityDelay time 1000 ms, change
allowedLocality from NODE_LOCAL to RACK_LOCAL, priority:10, app attempt
id:appattempt_1448589183973_0001_000001
2015-11-27 09:54:21,553 DEBUG
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt:
Assign container on qihe129040 node, requestType:OFF_SWITCH,
allowedLocality:RACK_LOCAL, schedulingOpportunities:0, priority:10, app attempt
id:appattempt_1448589183973_0001_000001
{code}
* getAllowedLocalityLevel:
{code}
2015-11-27 09:42:47,132 DEBUG
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt:
SchedulingOpportunities count is 2, more than nodeLocalityThreshold num
0.8999999761581421, change allowedLocality from NODE_LOCAL to RACK_LOCAL,
priority:10, app attempt id:appattempt_1448588357362_0001_000001
2015-11-27 09:42:47,132 DEBUG
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt:
Assign container on qihe129040 node, requestType:OFF_SWITCH,
allowedLocality:RACK_LOCAL, schedulingOpportunities:0, priority:10, app attempt
id:appattempt_1448588357362_0001_000001
{code}
> Log the trance information on FSAppAttempt#assignContainer
> ----------------------------------------------------------
>
> Key: YARN-4396
> URL: https://issues.apache.org/jira/browse/YARN-4396
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: applications, scheduler
> Affects Versions: 2.7.1
> Reporter: Lin Yiqun
> Assignee: Lin Yiqun
> Attachments: YARN-4396.001.patch, YARN-4396.002.patch,
> YARN-4396.003.patch
>
>
> When I configure the yarn.scheduler.fair.locality.threshold.node and
> yarn.scheduler.fair.locality.threshold.rack to open this function, I have no
> detail info of assigning container's locality. And it's important because it
> will lead some delay scheduling and will have an influence on my cluster. If
> I know these info, I can adjust param in cluster.
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