Marko A. Rodriguez created TINKERPOP-1225:
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Summary: Do a "rolling reduce" for GroupXXXStep in OLAP.
Key: TINKERPOP-1225
URL: https://issues.apache.org/jira/browse/TINKERPOP-1225
Project: TinkerPop
Issue Type: Improvement
Components: process
Affects Versions: 3.2.0-incubating
Reporter: Marko A. Rodriguez
{{GroupXXXStep}} in OLAP is able to process traversers up to the first barrier
in the reduction. 99% of the time, the first barrier is the last barrier and
thus, you get a nice lazy computation which limits the memory footprint.
Unfortunately, we don't have this luxury in OLAP. Until!!! However, the work
that [~spmallette] did to get {{GroupBiOperator}} to serialize with traversals
might make it possible for us to merge barriers in the reduction and thus have
OLAP and OLTP {{GroupXXXStep}} behave analogously.
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