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https://issues.apache.org/jira/browse/HADOOP-14640?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16088271#comment-16088271
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Jitendra Nath Pandey commented on HADOOP-14640:
-----------------------------------------------

   - The other findbug issue for delegationToken is also worth looking at. Why 
does makeRemoteRequest tries to lookup a delegationToken, but getHttpRequest 
doesn't ?  

   -  I see a change to format of License Header. In some azure files the 
license link is wrapped inside {{<p>..<p>}}.  Lets be consistent with rest of 
hadoop. For other files which are already committed, we can address it in a 
follow up jira.


> Azure: Support affinity for service running on localhost and reuse SPNEGO 
> hadoop.auth cookie for authorization, SASKey and delegation token generation
> ------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-14640
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14640
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: fs/azure
>    Affects Versions: 2.9.0
>            Reporter: Santhosh G Nayak
>            Assignee: Santhosh G Nayak
>              Labels: security
>         Attachments: HADOOP-14640.1.patch, HADOOP-14640.2.patch, 
> HADOOP-14640.3.patch
>
>
> Currently, {{WasbRemoteCallHelper}} can be configured to talk to comma 
> separated list of URLs for authorization, SASKey generation and delegation 
> token generation.
> To improve the performance, if service runs on the local machine, give it 
> first preference over the other configured list of URLs. 
> Currently, {{WasbRemoteCallHelper}} generates {{hadoop.auth}} cookie for 
> every request by talking to the remote service, before making actual rest 
> requests.
> The proposal is to reuse the {{hadoop.auth}} cookie for subsequent requests 
> from same {{WasbRemoteCallHelper}} object until its expiry time. 



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