Github user senorcarbone commented on the pull request:
https://github.com/apache/incubator-samoa/pull/44#issuecomment-163935565
I tested VHT with 8 local workers and rather rather sufficient allocated
memory (4GB) and it still takes a while, around 1m50sec. There will be an
additional patch soon, probably collocated with Flink v1.0 that will address
these performance issues on iterative streaming jobs.
<img width="1433" alt="screen shot 2015-12-11 at 14 21 17"
src="https://cloud.githubusercontent.com/assets/858078/11744710/e16561e0-a012-11e5-88dc-843f2c1a55ed.png";>
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