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## Why are these changes needed?
Add metadata to workflow. Currently there is no option for user to attach any metadata to a step or workflow run, and workflow running metrics (except status) are not captured nor checkpointed.
We are adding various of metadata including:
1. step-level user metadata. can be set with `step.options(metadata={})`
2. step-level pre-run metadata. this captures pre-run metadata such as step_start_time, more metrics can be added later.
3. step-level post-run metadata. this captures post-run metadata such as step_end_time, more metrics can be added later.
4. workflow-level user metadata. can be set with `workflow.run(metadata={})`
5. workflow-level pre-run metadata. this captures pre-run metadata such as workflow_start_time, more metrics can be added later.
6. workflow-level post-run metadata. this captures post-run metadata such as workflow_end_time, more metrics can be added later.
## Related issue number
https://github.com/ray-project/ray/issues/17090
Co-authored-by: Yi Cheng <chengyidna@gmail.com>
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| .. | ||
| ray | ||
| requirements | ||
| asv.conf.json | ||
| build-wheel-macos.sh | ||
| build-wheel-manylinux2014.sh | ||
| build-wheel-windows.sh | ||
| MANIFEST.in | ||
| README-building-wheels.md | ||
| requirements.txt | ||
| requirements_linters.txt | ||
| requirements_ml_docker.txt | ||
| setup.py | ||