'model-metadata.json' not saved in GCS
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Description
The 'model-metadata.json' file is not saved in GCS after a full GAME run.
[Here](https://github.com/linkedin/photon-ml/blob/049dfa8736ec7db58bc815f95d1de547ecdbf8fb/photon-client/src/main/scala/com/linkedin/photon/ml/data/avro/ModelProcessingUtils.scala#L498) is the code that runs it.
This prevents from doing warm-start training as the prior run's file is needed.
Please fix. Thanks!
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First steps
- Read the whole issue, then the project's contributing guide.
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- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start in photon-client/src/main/scala/com/linkedin/photon/ml/data/avro/ModelProcessingUtils.scala around line 498, where the issue links to the metadata-saving code. Reproduce a full GAME run and inspect GCS output; done means model-metadata.json is saved and available for warm-start training.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- google-cloud, scala, spark
- Domain
- cloud, machine-learning
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 38/100