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From "Zhijie Shen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-2165) Timeline server should validate the numeric configuration values
Date Wed, 26 Nov 2014 20:14:14 GMT

     [ https://issues.apache.org/jira/browse/YARN-2165?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Zhijie Shen updated YARN-2165:
------------------------------
    Summary: Timeline server should validate the numeric configuration values  (was: Timelineserver
should validate that yarn.timeline-service.ttl-ms is greater than zero)

> Timeline server should validate the numeric configuration values
> ----------------------------------------------------------------
>
>                 Key: YARN-2165
>                 URL: https://issues.apache.org/jira/browse/YARN-2165
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>            Reporter: Karam Singh
>            Assignee: Vasanth kumar RJ
>         Attachments: YARN-2165.1.patch, YARN-2165.2.patch, YARN-2165.3.patch, YARN-2165.4.patch,
YARN-2165.patch
>
>
> 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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