You are viewing a plain text version of this content. The canonical link for it is here.
Posted to common-issues@hadoop.apache.org by "Daniel Templeton (JIRA)" <ji...@apache.org> on 2017/04/20 17:44:04 UTC
[jira] [Assigned] (HADOOP-14331) HadoopScheduledThreadPoolExecutor
broken for periodic task running
[ https://issues.apache.org/jira/browse/HADOOP-14331?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Daniel Templeton reassigned HADOOP-14331:
-----------------------------------------
Assignee: Gabriel Reid
> HadoopScheduledThreadPoolExecutor broken for periodic task running
> ------------------------------------------------------------------
>
> Key: HADOOP-14331
> URL: https://issues.apache.org/jira/browse/HADOOP-14331
> Project: Hadoop Common
> Issue Type: Bug
> Components: common
> Affects Versions: 3.0.0-alpha3
> Reporter: Gabriel Reid
> Assignee: Gabriel Reid
> Attachments: HADOOP-14331_demonstrate_bug.patch
>
>
> The HadoopScheduledThreadPoolExecutor (introduced in HADOOP-12749) is broken for the scheduling of periodic tasks (i.e. for tasks submitted with {{scheduleAtFixedRate}} and {{scheduleAfterFixedDelay}}).
> The behavior of the executor with these methods is that the underlying task is executed once, and then blocks the running thread indefinitely in {{ExecutorHelper::logThrowableFromAfterExecute}}, meaning further executions of the task won't run, and will also block the running thread from running any other tasks.
> A quick scan of the source has shown me that these methods are used on HadoopScheduledThreadPoolExecutor instances in several places in the code base, at least in {{JobHistory}} and {{CleanerService}}, which appears to mean that these classes also no longer function correctly.
--
This message was sent by Atlassian JIRA
(v6.3.15#6346)
---------------------------------------------------------------------
To unsubscribe, e-mail: common-issues-unsubscribe@hadoop.apache.org
For additional commands, e-mail: common-issues-help@hadoop.apache.org