Tsz-wo Sze created HADOOP-19227:
-----------------------------------
Summary: 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
{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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