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Posted to issues@ozone.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2023/10/03 14:16:00 UTC
[jira] [Updated] (HDDS-9380) Reduce the number of system calls when DN writes a key
[ https://issues.apache.org/jira/browse/HDDS-9380?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated HDDS-9380:
---------------------------------
Labels: pull-request-available (was: )
> Reduce the number of system calls when DN writes a key
> ------------------------------------------------------
>
> Key: HDDS-9380
> URL: https://issues.apache.org/jira/browse/HDDS-9380
> Project: Apache Ozone
> Issue Type: Improvement
> Reporter: ChenXi
> Assignee: ChenXi
> Priority: Major
> Labels: pull-request-available
> Attachments: cpu_dn_create_key2_long.html, image-2023-10-03-21-54-25-419.png
>
>
> To execute `HddsDispatcher.sendCloseContainerActionIfNeeded` once, need to call `getCapacity()` 3 times and `getAvailable()` 2 times.
> The `getCapacity()` and `getAvailable()` are System call, we need reduce the System calls.
> Here reduces the number of `getCapacity()` and `getAvailable()` calls to one each.
> !image-2023-10-03-21-54-25-419.png|width=1413,height=949!
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