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Obtaining Training Logs

Sample Code

In ModelArts notebook, you do not need to enter authentication parameters for session authentication. For details about session authentication of other development environments, see Session Authentication.

  • Method 1: Use the specified job_id. 
    from modelarts.session import Session
from modelarts.estimatorV2 import Estimator
session = Session()
estimator = Estimator(session=session, job_id="your job id")
info = estimator.get_job_log()
print(info)
  • Method 2: Use the training job created in Creating a Training Job. 
    log = job_instance.get_job_log(task_id="worker-0")
print(log)

Parameters

Table 1 Parameters for initializing the Estimator

Parameter

Mandatory

Type

Description

session

Yes

Object

Session object. For details about the initialization method, see Session Authentication.

job_id

Yes

String

ID of a training job. You can obtain job_id using the training job created in Creating a Training Job, for example, job_instance.job_id, or from the response obtained in Obtaining Training Jobs.
Table 2 get_job_log request parameters

Parameter

Mandatory

Type

Description

task_id

No

String

ID of a worker node for obtaining logs. It defaults to worker-0. If train_instance_count is set to 2 when you create a training job, the value of this parameter can be worker-0 or worker-1.
Table 3 Response parameters

Parameter

Type

Description

content

String

Log content

  • If the size of the log file does not exceed the limit allowed (n MB), all logs are returned.
  • If the size of the log file exceeds the limit allowed (n MB), the latest n MB logs are returned.

current_size

Integer

Size of the returned log file, in bytes. The maximum value is 5 MB.

full_size

Integer

Size of a complete log file, in bytes.
Table 4 Response for the failure to call a training API

Parameter

Type

Description

error_msg

String

Error message when calling an API failed. This parameter is unavailable if an API is successfully called.

error_code

String

Error code when calling an API failed. For details, see Error Code. This parameter is unavailable if an API is successfully called.

error_solution

String

Solution to an API calling failure. This parameter is unavailable if an API is successfully called.
Parent topic: Training Jobs