Robert Bradshaw created BEAM-3046:
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Summary: De-javafy the Python Metrics API
Key: BEAM-3046
URL: https://issues.apache.org/jira/browse/BEAM-3046
Project: Beam
Issue Type: Bug
Components: sdk-py-core
Reporter: Robert Bradshaw
Assignee: Pablo Estrada
For example, though Java forces one to put all stand-alone functions as static
methods on a class (like Metrics) in Python one would just have standard
module-level functions.
Also, the MetricsFilter builder pattern is very Java-esque (and verbose). In
Python, one would simply let result.metrics() take keyword arguments.
We should seriously consider aggregating rather than returning lists of
results, at least by default. E.g. in
https://github.com/apache/beam/blob/master/sdks/python/apache_beam/examples/wordcount.py
it assumes that there's no other metric with the given name in any
subtransform (otherwise it may deterministically grab the "wrong" one.)
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