Robert Bradshaw created BEAM-2365:
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Summary: Use highest protocol for pickle coder.
Key: BEAM-2365
URL: https://issues.apache.org/jira/browse/BEAM-2365
Project: Beam
Issue Type: Bug
Components: sdk-py
Reporter: Robert Bradshaw
Assignee: Robert Bradshaw
E.g. for large NumPy arrays, this is a 3x reduction in size and a 61x reduction
in cpu.
Note that dill already does this (but the FastPrimitivesCoder intentionally
uses cPickle instead).
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