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https://issues.apache.org/jira/browse/HADOOP-9421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13679985#comment-13679985
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Luke Lu commented on HADOOP-9421:
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bq. The client can't generate an initial SASL response token since it hasn't
instantiated the SASL client - leading to an additional roundtrip for SASL
As long as the mech is TOKEN (or better CHALLENGE_RESPONSE), why can't you
instantiate the sasl client then (after receiving server challenge) with the
info from server challenge? Why would an additional roundtrip be necessary
unless the mech is not supported by server?
> Convert SASL to use ProtoBuf and add lengths for non-blocking processing
> ------------------------------------------------------------------------
>
> Key: HADOOP-9421
> URL: https://issues.apache.org/jira/browse/HADOOP-9421
> Project: Hadoop Common
> Issue Type: Sub-task
> Affects Versions: 2.0.3-alpha
> Reporter: Sanjay Radia
> Assignee: Daryn Sharp
> Attachments: HADOOP-9421.patch, HADOOP-9421.patch, HADOOP-9421.patch,
> HADOOP-9421.patch, HADOOP-9421-v2-demo.patch
>
>
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