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From "Denis Magda (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-2799) Coordinator floods network with partitions' full map messages
Date Fri, 11 Mar 2016 07:32:49 GMT
Denis Magda created IGNITE-2799:

             Summary: Coordinator floods network with partitions' full map messages
                 Key: IGNITE-2799
                 URL: https://issues.apache.org/jira/browse/IGNITE-2799
             Project: Ignite
          Issue Type: Bug
          Components: cache
    Affects Versions: 1.5.0.final
            Reporter: Denis Magda
            Assignee: Vladimir Ozerov
            Priority: Critical
             Fix For: 1.6

It is detected that the more machines in the cluster we have and the more caches are started
then the more outgoing traffic is produced by a coordinator node.

As an example in the current deployment
- 30 nodes;
- 67 caches;
- caches are empty and the cluster is not used at all (idle).

the coordinator constantly uses 300 Mbit/s of outgoing traffic. In contrast each other node
shows constant 10 Mbit/s usage of incoming traffic.

Most likely the reason is that the coordinator indefinitely sends partitions full map for
all the caches to all the nodes. This shouldn't happen.

Need to debug the reason of the issue and fix it.
Attached snapshots taken from the coordinator and on of cluster's nodes. Probably they would

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