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Posted to issues@madlib.apache.org by "Domino Valdano (Jira)" <ji...@apache.org> on 2020/10/10 02:18:00 UTC
[jira] [Created] (MADLIB-1455) compile params doesn't accept double
quoted strings
Domino Valdano created MADLIB-1455:
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Summary: compile params doesn't accept double quoted strings
Key: MADLIB-1455
URL: https://issues.apache.org/jira/browse/MADLIB-1455
Project: Apache MADlib
Issue Type: Bug
Components: Deep Learning
Reporter: Domino Valdano
Fix For: v1.18.0
When I try to train with this mst table:
mnist=# select * from mst_table_mnist;
┌─────────┬──────────┬─────────────────────────────────────────────────────────────────────────────────────┬──────────────────────────┐
│ mst_key │ model_id │ compile_params │ fit_params │
├─────────┼──────────┼─────────────────────────────────────────────────────────────────────────────────────┼──────────────────────────┤
│ 4 │ 1 │ loss="categorical_crossentropy", optimizer="SGD", metrics=["accuracy"] │ epochs=1, batch_size=200 │
│ 2 │ 1 │ loss="categorical_crossentropy", optimizer="Adam(lr=0.00001)", metrics=["accuracy"] │ epochs=1, batch_size=100 │
│ 3 │ 1 │ loss="categorical_crossentropy", optimizer="Adam(lr=0.001)", metrics=["accuracy"] │ epochs=1, batch_size=200 │
│ 1 │ 1 │ loss="categorical_crossentropy", optimizer="Adam(lr=0.0001)", metrics=["accuracy"] │ epochs=1, batch_size=50 │
└─────────┴──────────┴─────────────────────────────────────────────────────────────────────────────────────┴──────────────────────────┘
I get this error message:
ERROR: XX000: spiexceptions.InternalError: plpy.Error: model_keras error: invalid optimizer name: "Adam (plpy_elog.c:121) (seg2 127.0.0.1:6004 pid=33258) (plpy_elog.c:121)
CONTEXT: Traceback (most recent call last):
PL/Python function "madlib_keras_fit_multiple_model", line 24, in <module>
fit_obj.fit_multiple_model()
PL/Python function "madlib_keras_fit_multiple_model", line 233, in fit_multiple_model
PL/Python function "madlib_keras_fit_multiple_model", line 265, in train_multiple_model
PL/Python function "madlib_keras_fit_multiple_model", line 912, in run_training
PL/Python function "madlib_keras_fit_multiple_model"
It works if I replace the double quotes with single quotes, even though these are supposed to mean the same thing in a python expression. ie, keras's fit() function accepts it that way but MADlib won't
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