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From "Dmitry Kiriy (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-10703) Queue drainTo should be batched operation
Date Sat, 15 Dec 2018 07:55:00 GMT
Dmitry Kiriy created IGNITE-10703:
-------------------------------------

             Summary: Queue drainTo should be batched operation
                 Key: IGNITE-10703
                 URL: https://issues.apache.org/jira/browse/IGNITE-10703
             Project: Ignite
          Issue Type: Improvement
          Components: data structures
    Affects Versions: 2.7
            Reporter: Dmitry Kiriy


Currently drainTo(Collection<T> to, int amount) implemented as cyclic call of poll()
method, which is ineffective.

Need to be implemented as truly batch operation - trying to read required amount of data at
once.

current design prevent high-performance data transfer cross queue.

P.S. addAll implemented as batch, so together with right drainTo implementation, it will be
complete high-performance batched read&write solution



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