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https://issues.apache.org/jira/browse/SENTRY-2183?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16417611#comment-16417611
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Na Li commented on SENTRY-2183:
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[~arjunmishra13] I agree. Having a relatively large timeout as default would 
not hurt small users, and help avoid issues for large users. Otherwise, the 
large users will encounter issues, and then spend a lot of time to figure out 
that they need to increase this value.

> Increase default sentry-hdfs rpc timeout to 20 mins
> ---------------------------------------------------
>
>                 Key: SENTRY-2183
>                 URL: https://issues.apache.org/jira/browse/SENTRY-2183
>             Project: Sentry
>          Issue Type: Improvement
>          Components: Sentry
>    Affects Versions: 2.1.0
>            Reporter: Arjun Mishra
>            Assignee: Arjun Mishra
>            Priority: Major
>         Attachments: SENTRY-2183.001.patch, SENTRY-2183.002.patch, 
> SENTRY-2183.01.patch
>
>
> Full HMS Snapshots for large amounts of data (millions of databases, or 
> tables or partitions etc) take a lot more time than the current default of 
> 3.3mins. Also ideally since a full HMS snapshot should only occur once it is 
> best to increase the default to 20mins. This highly reduce the chance of 
> failure while sending a full snapshot which could be critical
> Set sentry.hdfs.service.client.server.rpc-connection-timeout = 1200000



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