Alexey Goncharuk created IGNITE-5579:
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Summary: Make sure identical binary metadata updates from the same
node do not happen twice
Key: IGNITE-5579
URL: https://issues.apache.org/jira/browse/IGNITE-5579
Project: Ignite
Issue Type: Improvement
Components: cache
Affects Versions: 1.7
Reporter: Alexey Goncharuk
Fix For: 2.1
It is possible that multiple user threads attempt identical binary metadata
update concurrently. In this case, a node will just increase contention on the
cache key, but once the lock is acquired there will be nothing changed. On
large topologies, this may lead to nodes waiting for the metadata update for
hours (!).
We should work out a way to identify identical metadata updates and allow only
one thread to proceed.
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