Wangda Tan created YARN-2125:
--------------------------------
Summary: ProportionalCapacityPreemptionPolicy should only log CSV
when debug enabled
Key: YARN-2125
URL: https://issues.apache.org/jira/browse/YARN-2125
Project: Hadoop YARN
Issue Type: Task
Components: resourcemanager, scheduler
Affects Versions: 3.0.0
Reporter: Wangda Tan
Assignee: Wangda Tan
Priority: Minor
Attachments: YARN-2125.patch
Currently, logToCSV() will be output using LOG.info() in
ProportionalCapacityPreemptionPolicy. Which will generate non-human-readable
texts in resource manager's log every several seconds, like
{code}
...
2014-06-05 15:57:07,603 INFO
org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.ProportionalCapacityPreemptionPolicy:
QUEUESTATE: 1401955027603, a1, 4096, 3, 2048, 2, 4096, 3, 4096, 3, 0, 0, 0,
0, b1, 3072, 2, 1024, 1, 3072, 2, 3072, 2, 0, 0, 0, 0, b2, 3072, 2, 1024, 1,
3072, 2, 3072, 2, 0, 0, 0, 0
2014-06-05 15:57:10,603 INFO
org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.ProportionalCapacityPreemptionPolicy:
QUEUESTATE: 1401955030603, a1, 4096, 3, 2048, 2, 4096, 3, 4096, 3, 0, 0, 0,
0, b1, 3072, 2, 1024, 1, 3072, 2, 3072, 2, 0, 0, 0, 0, b2, 3072, 2, 1024, 1,
3072, 2, 3072, 2, 0, 0, 0, 0
...
{code}
It's better to make it output when debug enabled.
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