Alexei Scherbakov created IGNITE-3905:

             Summary: Optimize RendezvousAffinityFunction
                 Key: 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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