Karam Singh created YARN-2165:
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Summary: Timelineserver should validate that
yarn.timeline-service.ttl-ms is greater than zero
Key: YARN-2165
URL: https://issues.apache.org/jira/browse/YARN-2165
Project: Hadoop YARN
Issue Type: Bug
Components: timelineserver
Reporter: Karam Singh
Timelineserver should validate that yarn.timeline-service.ttl-ms is greater
than zero
Currently if set yarn.timeline-service.ttl-ms=0
Or yarn.timeline-service.ttl-ms=-86400
Timeline server start successfully with complaining
{code}
2014-06-15 14:52:16,562 INFO timeline.LeveldbTimelineStore
(LeveldbTimelineStore.java:<init>(247)) - Starting deletion thread with ttl
-604800000 and cycle interval 300000
{code}
At starting timelinserver should that yarn.timeline-service-ttl-ms > 0
otherwise specially for -ive value discard oldvalues timestamp will be set
future value. Which may lead to inconsistancy in behavior
{code}
public void run() {
while (true) {
long timestamp = System.currentTimeMillis() - ttl;
try {
discardOldEntities(timestamp);
Thread.sleep(ttlInterval);
{code}
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