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From "Alexandr Kuramshin (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-7163) Validate connection from a pre-previous node
Date Mon, 11 Dec 2017 12:54:00 GMT
Alexandr Kuramshin created IGNITE-7163:
------------------------------------------

             Summary: Validate connection from a pre-previous node
                 Key: IGNITE-7163
                 URL: https://issues.apache.org/jira/browse/IGNITE-7163
             Project: Ignite
          Issue Type: Sub-task
    Affects Versions: 2.3
            Reporter: Alexandr Kuramshin
            Assignee: Alexandr Kuramshin


If some pre-previous node connects to the local node with the previous node in the message's
failed nodes collection additional steps should be done:

# Connection with the previous node should be validated.
# If a message from the previous node was not received a long time ago, the previous node
should be considered as failed and the pre-previous node connection accepted.
# If the previous node connection is alive then different scenarios possible
## Answer with a new result code causing the pre-previous node to try to reconnect to the
previous node
## Break connection with the pre-previous node causing to continue the possible cluster split.
## Check connections with nodes after pre-previous node and delay decision by answering RES_WAIT
to get more predictable split and stable topology.



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