[jira] [Commented] (IGNITE-18319) Pass sender consistendId instead of ClusterNode to handler

["Roman Puchkovskiy (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/IGNITE-18319?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17643877#comment-17643877 ] 

Roman Puchkovskiy commented on IGNITE-18319:
--------------------------------------------

Thanks!

> Pass sender consistendId instead of ClusterNode to handler
> ----------------------------------------------------------
>
>                 Key: IGNITE-18319
>                 URL: https://issues.apache.org/jira/browse/IGNITE-18319
>             Project: Ignite
>          Issue Type: Bug
>          Components: networking
>            Reporter: Roman Puchkovskiy
>            Assignee: Roman Puchkovskiy
>            Priority: Major
>              Labels: ignite-3, tech-debt
>             Fix For: 3.0.0-beta2
>
>          Time Spent: 40m
>  Remaining Estimate: 0h
>
> Currently, {{DefaultMessagingService#onMessage()}} throws an {{AssertionError}} if the message sender is not in the physical topology.
> As this is an expected behavior (a node can sometimes leave), it seems correct to handle this gracefully.
> The idea is to allow the handler resolve node by consistentId by itself and then decide what to do with a missing {{{}sender{}}}. Some of handlers don't even care about the sender because they do not send any response. There is also one handler that only cares about consistentId.
> A thing to reflect on: a node might disappear from a physical topology because of one of the two reaasons: either network connectivity is lost for some time, or a node stopped (maybe as a part of a restart). Do we need to account for this difference?



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