[jira] [Created] (IGNITE-7931) Wrong arguments for `keys` in DataStreamerImpl

[Anton Vinogradov (Jira)]

Ivan Fedotov created IGNITE-7931:
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             Summary:  Wrong arguments for `keys` in DataStreamerImpl
                 Key: IGNITE-7931
                 URL: https://issues.apache.org/jira/browse/IGNITE-7931
             Project: Ignite
          Issue Type: Improvement
            Reporter: Ivan Fedotov
            Assignee: Ivan Fedotov


When creating \{{keys=new ....(...);}} [1],[2] result of `U.capacity` is passed as `loadfactor` value. When loadFactory == U.capacity, initial size of table is 1. This leads to performance penalty due to rehashing of internal map.

[1][https://github.com/apache/ignite/blob/master/modules/core/src/main/java/org/apache/ignite/internal/processors/datastreamer/DataStreamerImpl.java#L633]

[2][https://github.com/apache/ignite/blob/master/modules/core/src/main/java/org/apache/ignite/internal/processors/datastreamer/DataStreamerImpl.java#L574]

 



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