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https://issues.apache.org/jira/browse/HDDS-14868?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz-wo Sze updated HDDS-14868:
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Attachment: 9953_review.patch
> Avoid full scan of container list during refreshAndValidate of
> ContainerSafemodeRule
> ------------------------------------------------------------------------------------
>
> Key: HDDS-14868
> URL: https://issues.apache.org/jira/browse/HDDS-14868
> Project: Apache Ozone
> Issue Type: Bug
> Reporter: Sadanand Shenoy
> Assignee: Sadanand Shenoy
> Priority: Major
> Labels: pull-request-available
> Attachments: 9953_review.patch
>
>
> {{refreshAndValidate()}} runs often (on each transaction apply, leader
> change, and after restart). The old logic was:
> // OLD
> if (forceRefresh || !validate()) {
> initializeRule();// Full scan of ALL containers - expensive!
> }
> {{initializeRule()}} does a full scan of {{containerManager.getContainers()}}
> and rebuilds all state. With many containers and frequent
> {{{}refreshAndValidate(){}}}, this is costly.
> This could be optimized
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