Lohit Vijayarenu created YARN-402:
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Summary: Dispatcher warn message is too late
Key: YARN-402
URL: https://issues.apache.org/jira/browse/YARN-402
Project: Hadoop YARN
Issue Type: Improvement
Reporter: Lohit Vijayarenu
Priority: Minor
AsyncDispatcher throws out Warn when capacity remaining is less than 1000
{noformat}
if (remCapacity < 1000) {
LOG.warn("Very low remaining capacity in the event-queue: "
+ remCapacity);
}
{noformat}
What would be useful is to warn much before that, may be half full instead of
when queue is completely full. I see that eventQueue capacity is int value. So,
if one warn's queue has only 1000 capacity left, then service definitely has
serious problem.
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