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https://issues.apache.org/jira/browse/RANGER-4923?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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wangzhongwei updated RANGER-4923:
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Attachment: RANGER-4923-0001.patch
> optimize the issue where the policy writing process takes too long and causes
> incorrect permissions
> ---------------------------------------------------------------------------------------------------
>
> Key: RANGER-4923
> URL: https://issues.apache.org/jira/browse/RANGER-4923
> Project: Ranger
> Issue Type: Improvement
> Components: plugins
> Affects Versions: 2.4.0, 2.5.0
> Reporter: wangzhongwei
> Assignee: wangzhongwei
> Priority: Major
> Attachments: RANGER-4923-0001.patch
>
>
> When the number of policies is very large, such as exceeding 100000, the
> policy file may grow larger than 100MB. In this case, the plugin may take
> several seconds or even longer to write the policies to the cache file using
> FileWriter. During this process, from clearing to writing the policy file,
> there may be issues with insufficient permissions. To resolve this issue, we
> can write the policy to a temporary file first and then use an atomic MV
> (which can be configured as a parameter) to handle the situation.
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