[jira] [Created] (IGNITE-2561) Optimize ATOMIC cache updates with single key.

[Anton Vinogradov (Jira)]

Vladimir Ozerov created IGNITE-2561:
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             Summary: Optimize ATOMIC cache updates with single key.
                 Key: IGNITE-2561
                 URL: https://issues.apache.org/jira/browse/IGNITE-2561
             Project: Ignite
          Issue Type: Sub-task
          Components: cache
    Affects Versions: 1.5.0.final
            Reporter: Vladimir Ozerov
            Assignee: Vladimir Ozerov
            Priority: Critical
             Fix For: 1.6


We can significantly minimize amount of network traffic and GC pressure for the most frequent ATOMIC cache scenario - update with a single key.

To achieve this we must add special versions of all update request/responses as well as corresponding futures.

Furthermore, we should not create KV maps for single-key operations.



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