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https://issues.apache.org/jira/browse/HADOOP-19227?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz-wo Sze resolved HADOOP-19227.
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Fix Version/s: 3.3.7
Hadoop Flags: Reviewed
Resolution: Fixed
The pull request is now merged.
> ipc.Server accelerate token negotiation only for the default mechanism
> ----------------------------------------------------------------------
>
> Key: HADOOP-19227
> URL: https://issues.apache.org/jira/browse/HADOOP-19227
> Project: Hadoop Common
> Issue Type: Improvement
> Components: ipc
> Reporter: Tsz-wo Sze
> Assignee: Tsz-wo Sze
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.3.7
>
>
> {code}
> //Server.java
> // accelerate token negotiation by sending initial challenge
> // in the negotiation response
> if (enabledAuthMethods.contains(AuthMethod.TOKEN)) {
> ...
> }
> {code}
> In Server.Connection.buildSaslNegotiateResponse() above, it accelerates token
> negotiation by sending initial challenge in the negotiation response.
> However, it is a non-standard SASL
> negotiation. We should do it only for the default SASL mechanism.
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