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https://issues.apache.org/jira/browse/HDFS-15096?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ayush Saxena updated HDFS-15096:
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Fix Version/s: 3.3.0
Hadoop Flags: Reviewed
Resolution: Fixed
Status: Resolved (was: Patch Available)
> RBF: GetServerDefaults Should be Cached At Router
> -------------------------------------------------
>
> Key: HDFS-15096
> URL: https://issues.apache.org/jira/browse/HDFS-15096
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Ayush Saxena
> Assignee: Ayush Saxena
> Priority: Major
> Fix For: 3.3.0
>
> Attachments: GetServerDefault-Cached.PNG, HDFS-15096-01.patch,
> HDFS-15096-02.patch, HDFS-15096-03.patch, Server-Before.PNG
>
>
> Presently each getServerDefault calls are triggered to the Namespace, The
> DFSClient caches the getServerDefaults(), similarly the Router can also cache
> the getServerDefaults(), as router connects to multiple clients, this
> improves performance for subsequent calls.
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