Alexei Scherbakov created IGNITE-3905:
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Summary: Optimize RendezvousAffinityFunction
Key: IGNITE-3905
URL: https://issues.apache.org/jira/browse/IGNITE-3905
Project: Ignite
Issue Type: Bug
Components: cache, community, general
Affects Versions: 1.6
Reporter: Alexei Scherbakov
Priority: Critical
Fix For: 1.8
Currently RendezvousAffinityFunction.assignPartition generates a lot of garbage
if called very often, on example in case of rebalancing a lot of caches.
This causes excessive pressure on GC, which is not always fast enough to clear
memory, producing long GC pauses leading to node segmentation.
We should cache calculation of nodeHashBytes in node attribute or resort to
more efficient node hash calculation.
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