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https://issues.apache.org/jira/browse/CALCITE-4152?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Josh Elser reassigned CALCITE-4152:
-----------------------------------
Assignee: Josh Elser
> Avoid SPNEGO re-negotiation for each request
> --------------------------------------------
>
> Key: CALCITE-4152
> URL: https://issues.apache.org/jira/browse/CALCITE-4152
> Project: Calcite
> Issue Type: Improvement
> Components: avatica
> Reporter: Istvan Toth
> Assignee: Josh Elser
> Priority: Major
>
> When using SPNEGO authentication with Avatica, every HTTP request
> re-initiates the negotiation, doubling the number HTTP requests.
> Consider switching to cookies after the initial SPNEGO authentication
> succeeds.
> Jetty ticket that discusses the issue:
> [https://github.com/eclipse/jetty.project/issues/2868]
> Description of the Knox implementation
> [https://cwiki.apache.org/confluence/display/KNOX/2017/02/24/Hadoop+Auth+%28SPNEGO+and+delegation+token+based+authentication%29+with+Apache+Knox]
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