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Posted to commits@druid.apache.org by GitBox <gi...@apache.org> on 2020/02/04 20:39:54 UTC

[GitHub] [druid] b-slim commented on issue #9308: Add MemoryOpenHashTable, a table similar to ByteBufferHashTable.

b-slim commented on issue #9308: Add MemoryOpenHashTable, a table similar to ByteBufferHashTable.
URL: https://github.com/apache/druid/pull/9308#issuecomment-582104463
 
 
   @gianm wondering where the perf increase is coming from ? is it the overhead of BB bound checks ? or other factors ? wondering if it make sense to wait for https://openjdk.java.net/jeps/370 that IMO has a cleaner API and will be part of the JDK thus no low level unsafe stuff.

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