Alexei Scherbakov created IGNITE-4499:
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Summary: TcpDiscoverySpi is not reliable in some network split
scenarios.
Key: IGNITE-4499
URL: https://issues.apache.org/jira/browse/IGNITE-4499
Project: Ignite
Issue Type: Bug
Components: general
Affects Versions: 1.6
Reporter: Alexei Scherbakov
Fix For: 2.0
Where is a possible caveat in current discovery implementation using ring of
nodes.
Imagine grid consisting of nodes A B C D
Let them form the ring:
A-B-C-D-A
If network connectivity issues will arise between nodes A-C and B-D
discovery spi will never know it and will continue to assume the topology is
valid.
On other side, TcpCommunicationSpi will try to run transaction on this topology
and never will succeed.
We must drop nodes from topology on communication spi errors.
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