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From "Andrew Mashenkov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-4624) ScanQuery shows poor performance.
Date Fri, 27 Jan 2017 12:37:24 GMT
Andrew Mashenkov created IGNITE-4624:
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             Summary: ScanQuery shows poor performance.
                 Key: IGNITE-4624
                 URL: https://issues.apache.org/jira/browse/IGNITE-4624
             Project: Ignite
          Issue Type: Improvement
          Components: cache
    Affects Versions: 1.8
            Reporter: Andrew Mashenkov


I've found that ScanQuery use cache KeySet iterator which make cache peek\entry calls for
getting value.
It is look like we can avoid this calls by using EntrySet iterator for iterating over local
partitions.

Start point is GridCacheQueryManager.onheapIterator(). 




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