[jira] [Comment Edited] (TEZ-4090) TezIDCache::getInstance sync lock

["László Bodor (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TEZ-4090?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17042746#comment-17042746 ] 

László Bodor edited comment on TEZ-4090 at 2/22/20 11:17 PM:
-------------------------------------------------------------

with some [basic logging|https://github.com/abstractdog/tez/commit/f11526913a8f3ffbabe998d88715883aebb86161] , I've run TestLocalMode from tez-tests, to see if it helps, but haven't checked the logs in details yet ( [^org.apache.tez.test.TestLocalMode-output.txt] )


was (Author: abstractdog):
with some [ basic logging|https://github.com/abstractdog/tez/commit/f11526913a8f3ffbabe998d88715883aebb86161] , I've run TestLocalMode from tez-tests, to see if it helps, but haven't checked the logs in details yet ( [^org.apache.tez.test.TestLocalMode-output.txt] )

> TezIDCache::getInstance sync lock
> ---------------------------------
>
>                 Key: TEZ-4090
>                 URL: https://issues.apache.org/jira/browse/TEZ-4090
>             Project: Apache Tez
>          Issue Type: Bug
>            Reporter: Rajesh Balamohan
>            Assignee: László Bodor
>            Priority: Minor
>         Attachments: org.apache.tez.test.TestLocalMode-output.txt, tez-task-id-concurrency.png
>
>
> profiler output shared by [~gopalv]. 
> Looking at the code, it is not mandatory to have sync on getInstance. 
> https://github.com/apache/tez/blob/master/tez-common/src/main/java/org/apache/tez/dag/records/TezID.java#L48



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