sanastas commented on issue #5698: Oak: New Concurrent Key-Value Map URL: https://github.com/apache/incubator-druid/issues/5698#issuecomment-511734712 @gianm , @jon-wei , @jihoonson and everyone! Oak has a great ability to scan forward ***and backward*** with the same speed! As Java's ConcurrentSkipListMap backward scan steps are in O(logN) each, Oak performs almost ten time faster in backward scans. Can you think about any scenario in Druid where the scan (iterator) goes forward and backward or only backward? Thanks!
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