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From "Alexei Scherbakov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-4554) Optimize integer sets and arrays.
Date Tue, 17 Jan 2017 20:43:26 GMT
Alexei Scherbakov created IGNITE-4554:
-----------------------------------------

             Summary: Optimize integer sets and arrays.
                 Key: IGNITE-4554
                 URL: https://issues.apache.org/jira/browse/IGNITE-4554
             Project: Ignite
          Issue Type: Improvement
          Components: general
    Affects Versions: 1.6
            Reporter: Alexei Scherbakov
            Assignee: Alexei Scherbakov
             Fix For: 2.1


Ignite has many uses of data structures like Set<Integer>, IntArray etc.

This is not most efficient way to represent integer sets. The best way is to use compressed
bit sets. This should save a lot of heap space.

We should optimize integer sets whenever possible.

The most obvious place to start is GridAffinityAssignment.




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