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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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Vinayakumar B updated HADOOP-15602:
-----------------------------------
            Assignee: Vinayakumar B
    Target Version/s: 3.1.1
              Status: Patch Available  (was: Open)

> 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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