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From "Luke Lu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9421) Convert SASL to use ProtoBuf and add lengths for non-blocking processing
Date Fri, 21 Jun 2013 02:11:20 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13689971#comment-13689971
] 

Luke Lu commented on HADOOP-9421:
---------------------------------

bq. Luke's patch is 8-11ms slower with Kerberos than mine

Ah, that's probably due to my unoptimized patch does initial token twice (one in INITIATE
and the other in REINITIATE), which causes an extra round trip to KDC to get service ticket.
But I can fix this with no protocol changes and eliminate the difference. OTOH, I can further
eliminate the NEGOTIATE round trip for Kerberos in normal/stead state cases. 
                
> 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
>            Priority: Blocker
>         Attachments: HADOOP-9421.patch, HADOOP-9421.patch, HADOOP-9421.patch, HADOOP-9421.patch,
HADOOP-9421.patch, HADOOP-9421.patch, HADOOP-9421.patch, HADOOP-9421.patch, HADOOP-9421-v2-demo.patch
>
>


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