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Posted to issues@ozone.apache.org by "Marton Elek (Jira)" <ji...@apache.org> on 2020/09/28 14:20:00 UTC
[jira] [Updated] (HDDS-4285) Read is slow due to the frequent usage
of UGI.getCurrentUserCall()
[ https://issues.apache.org/jira/browse/HDDS-4285?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Marton Elek updated HDDS-4285:
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Attachment: profile-20200928-161631-180518.svg
> Read is slow due to the frequent usage of UGI.getCurrentUserCall()
> ------------------------------------------------------------------
>
> Key: HDDS-4285
> URL: https://issues.apache.org/jira/browse/HDDS-4285
> Project: Hadoop Distributed Data Store
> Issue Type: Improvement
> Reporter: Marton Elek
> Assignee: Marton Elek
> Priority: Major
> Attachments: image-2020-09-28-16-19-17-581.png, profile-20200928-161631-180518.svg
>
>
> Ozone read operation turned out to be slow mainly because we do a new UGI.getCurrentUser for block token for each of the calls.
> We need to cache the block token / UGI.getCurrentUserCall() to make it faster.
> !image-2020-09-28-16-19-17-581.png!
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