Enhance logging of initalized queue limit values
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Key: MAPREDUCE-3341
URL: https://issues.apache.org/jira/browse/MAPREDUCE-3341
Project: Hadoop Map/Reduce
Issue Type: Improvement
Components: mrv2
Reporter: Anupam Seth
Assignee: Anupam Seth
Currently the RM log shows only a partial set of the limits that are configured
when a queue is initialized / reinitialized.
For example, this is what is currently shown in the RM log for an initialized
queue:
# <datestamp> INFO
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue:
Initializing
default, capacity=0.25, asboluteCapacity=0.25, maxCapacity=25.0,
asboluteMaxCapacity=0.25, userLimit=100,
userLimitFactor=20.0, maxApplications=2500, maxApplicationsPerUser=50000,
state=RUNNING,
acls=ADMINISTER_QUEUE:*SUBMIT_JOB:*ADMINISTER_JOBS:*
Breaking down the line above, shows:
capacity=0.25
asboluteCapacity=0.25
maxCapacity=25.0
asboluteMaxCapacity=0.25
userLimit=100
userLimitFactor=20.0
maxApplications=2500
maxApplicationsPerUser=50000
It might be nice if we could include more information such as
maxActiveApplications, maxActiveApplicationsPerUser, utilization, and
usedCapacity along with information on how each of these is computed (i.e.
formulae used) (Thanks to Phil Su for requesting this).
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