dgolitsyn 4dd1e2b59e Do not remove segments from currentlyMovingSegments in DruidBalancer if move is impossible or not needed (#4472)
* Do not remove segment that should not be moved from currentlyMovingSegments (segments are removed by callbacks or not inserted)

* Replace putIfAbsent with computeIfAbsent in DruidBalancer

* Refactoring
2017-08-08 17:22:59 +03:00
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