V2 Multi-Stage Query Engine
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The new multi-stage query engine (a.k.a V2 query engine) is designed to support more complex SQL semantics such as JOIN, OVER window, MATCH_RECOGNIZE and eventually, make Pinot support closer to full ANSI SQL semantics.
It also resolves the bottleneck effect for the broker reduce stage where only a single machine is dedicated to perform heavy lifting such as high cardinality GROUP BY result merging; ORDER BY sorting, etc.
To enable the V2 engine,
please make sure to either
Building Apache Pinot using the latest master commit.
Download the latest Apache Pinot docker image using the official guide.
Please add the following configurations to your cluster config:
Start the cluster normally, you should see the following window in the controller query page:
The overall PEP design doc and discussion can be found in the following links
