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https://issues.apache.org/jira/browse/IGNITE-23000?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17875853#comment-17875853
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Pavel Tupitsyn commented on IGNITE-23000:
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Merged to main:
[29d28d03eb027a8c2c71fde2d2e03e414bf6c6a8|https://github.com/apache/ignite-3/commit/29d28d03eb027a8c2c71fde2d2e03e414bf6c6a8]
> Client handshake blocks Netty thread for authentication
> -------------------------------------------------------
>
> Key: IGNITE-23000
> URL: https://issues.apache.org/jira/browse/IGNITE-23000
> Project: Ignite
> Issue Type: Bug
> Components: thin client
> Affects Versions: 3.0.0-beta1
> Reporter: Pavel Tupitsyn
> Assignee: Pavel Tupitsyn
> Priority: Critical
> Labels: ignite-3
> Fix For: 3.0.0-beta2
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> *ClientInboundMessageHandler#handshake* takes a lock and calls
> *Authenticator#authenticate*, which can take a long time (a second or more)
> * We should never block Netty threads (taking locks, blocking on futures, etc)
> * *Authenticator#authenticate* must be async
> * *ClientInboundMessageHandler#handshake* must be async
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