James Kinley created MAPREDUCE-4517:
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Summary: Too many INFO messages written out during AM to RM
heartbeat
Key: MAPREDUCE-4517
URL: https://issues.apache.org/jira/browse/MAPREDUCE-4517
Project: Hadoop Map/Reduce
Issue Type: Improvement
Components: applicationmaster
Affects Versions: 2.0.0-alpha
Reporter: James Kinley
Priority: Minor
Too many INFO log messages written out during AM to RM heartbeat. Based on
default frequency of 1000ms (scheduler.heartbeat.interval-ms) either 2 or 4
INFO messages are written out per second:
LOG.info("Before Scheduling: " + getStat());
List<Container> allocatedContainers = getResources();
LOG.info("After Scheduling: " + getStat());
if (allocatedContainers.size() > 0) {
LOG.info("Before Assign: " + getStat());
scheduledRequests.assign(allocatedContainers);
LOG.info("After Assign: " + getStat());
}
These should probably be changed to DEBUG message to save the log growing too
quickly.
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