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From "Sergey Chugunov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-8828) Detecting and stopping unresponsive nodes during Partition Map Exchange
Date Tue, 19 Jun 2018 11:11:00 GMT
Sergey Chugunov created IGNITE-8828:
---------------------------------------

             Summary: 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
            Reporter: Sergey Chugunov


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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