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Posted to issues@tez.apache.org by "László Bodor (Jira)" <ji...@apache.org> on 2020/02/22 23:16:00 UTC

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

     [ https://issues.apache.org/jira/browse/TEZ-4090?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

László Bodor updated TEZ-4090:
------------------------------
    Attachment: 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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