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From "Dmitriy Govorukhin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-11204) Merged partitions exchange future ignores NODE_LEFT/FAILED events for merged exchanges
Date Tue, 05 Feb 2019 18:38:00 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-11204?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16761098#comment-16761098
] 

Dmitriy Govorukhin commented on IGNITE-11204:
---------------------------------------------

[~agoncharuk] LGTM, thanks!

> Merged partitions exchange future ignores NODE_LEFT/FAILED events for merged exchanges
> --------------------------------------------------------------------------------------
>
>                 Key: IGNITE-11204
>                 URL: https://issues.apache.org/jira/browse/IGNITE-11204
>             Project: Ignite
>          Issue Type: Bug
>            Reporter: Alexey Goncharuk
>            Assignee: Alexey Goncharuk
>            Priority: Critical
>             Fix For: 2.8
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> In {{GridDhtPartitionsExchangeFuture#onNodeLeft}} we have the following code:
> {code}
> if (!srvNodes.remove(node)
>     return;
> {code}
> The issue is that the {{srvNodes}} collection is created when partition exchange future
is initialized. After the exchange future is merged, we will wait for more nodes to respond.
However, since those nodes never added to {{srvNodes}}, the event will never be processed
and the exchange future will hang.



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