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https://issues.apache.org/jira/browse/HADOOP-15602?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wangda Tan updated HADOOP-15602:
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Target Version/s: 3.1.3 (was: 3.1.2)
> Support SASL Rpc request handling in separate Handlers
> -------------------------------------------------------
>
> Key: HADOOP-15602
> URL: https://issues.apache.org/jira/browse/HADOOP-15602
> Project: Hadoop Common
> Issue Type: Improvement
> Components: ipc
> Reporter: Vinayakumar B
> Assignee: Vinayakumar B
> Priority: Major
> Attachments: HADOOP-15602.01.patch
>
>
> Right now, during RPC Connection establishment, all SASL requests are
> considered as OutOfBand requests and handled within the same Reader thread.
> SASL handling involves authentication with Kerberos and SecretManagers(for
> Token validation). During this time, Reader thread would be blocked, hence
> blocking all the incoming RPC requests on other established connections. Some
> secretManager impls require to communicate to external systems (ex: ZK) for
> verification.
> SASL RPC handling in separate dedicated handlers, would enable Reader threads
> to read RPC requests from established connections without blocking.
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