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Posted to dev@phoenix.apache.org by "James Taylor (JIRA)" <ji...@apache.org> on 2016/02/18 19:26:18 UTC
[jira] [Updated] (PHOENIX-2690) Exceeding OS limit for native
threads with large number of guide posts
[ https://issues.apache.org/jira/browse/PHOENIX-2690?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
James Taylor updated PHOENIX-2690:
----------------------------------
Assignee: Thomas D'Silva
> Exceeding OS limit for native threads with large number of guide posts
> ----------------------------------------------------------------------
>
> Key: PHOENIX-2690
> URL: https://issues.apache.org/jira/browse/PHOENIX-2690
> Project: Phoenix
> Issue Type: Bug
> Affects Versions: 4.7.0
> Reporter: Mujtaba Chohan
> Assignee: Thomas D'Silva
> Priority: Minor
>
> With >32K guidepost count for a table (which equates to a 320 GB table size with 10MB guidepost width), following OOM occurs on 64bit Linux client
> {code}
> select * from table_with_32k_guideposts limit 1000;
> java.lang.OutOfMemoryError: unable to create new native thread
> at java.lang.Thread.start0(Native Method)
> at java.lang.Thread.start(Thread.java:714)
> at java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:949) at java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1360) at org.apache.phoenix.job.JobManager$InstrumentedThreadPoolExecutor.execute(JobManager.java:261) at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:132) at org.apache.phoenix.iterate.ParallelIterators.submitWork(ParallelIterators.java:103) at org.apache.phoenix.iterate.BaseResultIterators.getIterators(BaseResultIterators.java:621) at org.apache.phoenix.iterate.BaseResultIterators.getIterators(BaseResultIterators.java:591) at org.apache.phoenix.iterate.RoundRobinResultIterator.getIterators(RoundRobinResultIterator.java:176) at org.apache.phoenix.iterate.RoundRobinResultIterator.next(RoundRobinResultIterator.java:91) at org.apache.phoenix.iterate.DelegateResultIterator.next(DelegateResultIterator.java:44) at org.apache.phoenix.iterate.LimitingResultIterator.next(LimitingResultIterator.java:47)
> {code}
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