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From "Yakov Zhdanov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-1267) JobStealingCollisionSpi never sends jobs to a node that joined after task was executed
Date Wed, 02 Sep 2015 12:31:46 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-1267?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14727253#comment-14727253
] 

Yakov Zhdanov commented on IGNITE-1267:
---------------------------------------

I think the same is valid for simple job failover when any other collision is used or collision
is disabled. I suggest to also fix - newly joined nodes should participate in task topology
for failover if they satisfy topology predicate.

> JobStealingCollisionSpi never sends jobs to a node that joined after task was executed
> --------------------------------------------------------------------------------------
>
>                 Key: IGNITE-1267
>                 URL: https://issues.apache.org/jira/browse/IGNITE-1267
>             Project: Ignite
>          Issue Type: Bug
>          Components: compute
>    Affects Versions: 1.1.4
>            Reporter: Valentin Kulichenko
>              Labels: user-request
>             Fix For: ignite-1.4
>
>
> Corresponding user thread (contains detailed description of the scenario that doesn't
work): http://apache-ignite-users.70518.x6.nabble.com/Dynamic-ComputeTask-distribution-with-new-nodes-td997.html
> Essentially, {{JobStealingCollisionSpi}} always skips jobs that are not in task topology
(see line 713). Task topology is static and created when task is executed, so newly joined
node can't steal jobs. I think it should be able to do this if it satisfies initial cluster
group predicate.



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