Chesnay Schepler created FLINK-32745:
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Summary: Add a flag to skip InputSelectable preValidate step
Key: FLINK-32745
URL: https://issues.apache.org/jira/browse/FLINK-32745
Project: Flink
Issue Type: Improvement
Components: API / DataStream, Runtime / Configuration
Reporter: Chesnay Schepler
Fix For: 1.19.0
{{StreamingJobGraphGenerator#preValidate}} has a step where it checks that no
operator implements {{InputSelectable}} if checkpointing is enabled, because
these features aren't compatible.
This step can be extremely expensive when the {{CodeGenOperatorFactory}} is
used, because it requires all generated operator classes to actually be
compiled (which usually only happens on the task manager).
If you know what jobs you're running this step can be pure overhead.
It would be nice if we'd have a flag to skip this validation step.
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