[jira] [Created] (IGNITE-4571) Optimize futVer generations

[Anton Vinogradov (Jira)]

Konstantin Dudkov created IGNITE-4571:
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             Summary: Optimize futVer generations
                 Key: IGNITE-4571
                 URL: https://issues.apache.org/jira/browse/IGNITE-4571
             Project: Ignite
          Issue Type: Task
            Reporter: Konstantin Dudkov
            Assignee: Konstantin Dudkov


1. Optimize futVer generations - need to get rid of using CacheVersion in favor of long value.

Example
org/apache/ignite/internal/processors/cache/distributed/dht/atomic/GridNearAtomicUpdateFuture.java:633
org.apache.ignite.internal.processors.cache.version.GridCacheVersionManager#next(org.apache.ignite.internal.processors.affinity.AffinityTopologyVersion)

Result:
Need to replace cache version with random long (int), check compatibility and messages sizes before & after and benchmark.

How:
Use thread local random. Generate ID on atomic future store and switch it to putIfAbsent().



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