Alexey Scherbakov created IGNITE-12694:
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Summary: A possible partition desync if last supplier has left and
returned later.
Key: IGNITE-12694
URL: https://issues.apache.org/jira/browse/IGNITE-12694
Project: Ignite
Issue Type: Bug
Reporter: Alexey Scherbakov
Assignee: Alexey Scherbakov
Fix For: 2.9
Consider the scenario:
Two nodes A and B in the grid.
1. B is rebalancing from A.
2. Before rebalancing is finished A has left, partitions on B have stale data.
3. A returns to the topology.
Rebalancing will not start without manual intervention, because update counters
for partitions will be same.
This happens because LWM is assigned during PME before actual updates are
loaded.
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