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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] [Created] (HDDS-4285) Read is slow due to the frequent usage
of UGI.getCurrentUserCall()
Marton Elek created HDDS-4285:
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Summary: 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
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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