Comments (2)
Hey, @KamjiLee, it seems that you are looking to save the optimization to .json
file, not to an SQL database, so the functions you need are:
ax_client = AxClient()
# Save `AxClient` to a JSON snapshot.
ax_client.save(filepath='my_json.json')
# Reinstantiate an `AxClient` from a JSON snapshot.
ax_client = AxClient.load(filepath='my_json.json')
You can also not pass a filepath
argument to save
and load
, in which case it will use the default. Here are the API references for save
and load
.
ax_client.load_experiment(experiment_name='my_experiment')
(API ref) is used to reload an experiment saved to an SQL database. If that is what you are trying to do, you will need to pass DB settings to AxClient
on instantiation and reload the experiment by its name (no need to separately save it, it will be saved each time a change is made).
You will need the latest stable version for the saving functionality, so do make sure to update your Ax installation to 0.1.5.
Feel free to reopen the issue if that doesn't work or if you have a follow-up!
from ax.
# Reinstantiate an `AxClient` from a JSON snapshot. ax_client = AxClient.load(filepath='my_json.json')
I believe this syntax was updated:
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "[c:\users\sterg\documents\github\sparks-baird\ax\ax\service\ax_client.py]()", line 1739, in load
raise NotImplementedError(
NotImplementedError: Use `load_experiment_from_database` to load from SQL database or `load_from_json_file` to load optimization state from .json file.
So:
# Reinstantiate an `AxClient` from a JSON snapshot.
ax_client = AxClient.load_from_json_file(filepath='my_json.json')
Same with save:
NotImplementedError Traceback (most recent call last)
[<ipython-input-247-0bd18695ff53>](https://localhost:8080/#) in <module>
----> 2 ax_client.save(filepath='my_json.json')
[/usr/local/lib/python3.7/dist-packages/ax/service/ax_client.py](https://localhost:8080/#) in save(filepath)
1780 def save(filepath: Optional[str] = None) -> None:
1781 raise NotImplementedError(
-> 1782 "Use `save_to_json_file` to save optimization state to .json file."
1783 )
NotImplementedError: Use `save_to_json_file` to save optimization state to .json file.
ax_client.save_to_json_file(filepath='my_json.json')
from ax.
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from ax.