Istvan Toth created CALCITE-4152:
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Summary: 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
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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