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From "Sergey Chugunov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-8828) Detecting and stopping unresponsive nodes during Partition Map Exchange
Date Mon, 09 Jul 2018 13:16:00 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-8828?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16536900#comment-16536900

Sergey Chugunov commented on IGNITE-8828:


I reviewed your changes, they look quite simple to me. If nowone has any comments on it, please
proceed with merging.

Thank you for the contribution!

> Detecting and stopping unresponsive nodes during Partition Map Exchange
> -----------------------------------------------------------------------
>                 Key: IGNITE-8828
>                 URL: https://issues.apache.org/jira/browse/IGNITE-8828
>             Project: Ignite
>          Issue Type: Improvement
>          Components: general
>            Reporter: Sergey Chugunov
>            Assignee: Ilya Lantukh
>            Priority: Major
>              Labels: iep-25
>   Original Estimate: 264h
>  Remaining Estimate: 264h
> During PME process coordinator (1) gathers local partition maps from all nodes and (2)
sends calculated full partition map back to all nodes in the topology.
> However if one or more nodes fail to send local information on step 1 for any reason,
PME process hangs blocking all operations. The only solution will be to manually identify
and stop nodes which failed to send info to coordinator.
> This should be done by coordinator itself: in case it didn't receive in time local partition
maps from any nodes, it should check that stopping these nodes won't lead to data loss and
then stop them forcibly.

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