Github user nragon commented on the issue:
https://github.com/apache/flink/pull/2332
No, only puts. Aggregation is coming from a reduce which by itself
aggregates, keeping recent values on hbase, more like snapshots I think. During
our analysis sending data to hbase was only reliable when working with
aggregates otherwise a huge amount of backpressure will come from region
servers. Full dumps are more likely to work on elasticsearch or hdfs than
hbase. So, because Flink does an amazing job at keeping states why bother to
overload region servers with so many requests? Again, our point of view, of
course.
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