Get serving job logs

You can use arena serve logs to get the serving job logs, we will introduce some usages for you.

1. arena serve logs can help you to get the serving job logs.

$ arena serve logs fast-style-transfer
* Serving Flask app "app" (lazy loading)
* Environment: production
WARNING: This is a development server. Do not use it in a production deployment.
Use a production WSGI server instead.
* Debug mode: off
* Running on http://0.0.0.0:5000/ (Press CTRL+C to quit)

2. If you want to get the last n lines of the serving job logs, you can use -t n(or --tail n), the following command will display the last 5 lines of the serving job.

$ arena serve logs fast-style-transfer -t 5
* Environment: production
WARNING: This is a development server. Do not use it in a production deployment.
Use a production WSGI server instead.
* Debug mode: off
* Running on http://0.0.0.0:5000/ (Press CTRL+C to quit)

3. If you want to get the logs of target serving job instance, you can use -i <INSTANCE_NAME>(or --instance <INSTANCE_NAME>).

Get the instance of serving job from arena serve get command.

$ arena serve get fast-style-transfer
Name:           fast-style-transfer
Namespace:      default
Type:           Custom
Version:        alpha
Desired:        1
Available:      1
Age:            22m
Address:        172.28.14.93
Port:           RESTFUL:31129->5000
GPUs:           1

Instances:
NAME                                                       STATUS   AGE  READY  RESTARTS  GPUs  NODE
----                                                       ------   ---  -----  --------  ----  ----
fast-style-transfer-alpha-custom-serving-856dbcdbcb-sxx2n  Running  22m  1/1    0         1     cn-beijing.192.168.1.112

Get the logs of training job instance by specifying option -i.

$ arena serve logs fast-style-transfer -i  fast-style-transfer-alpha-custom-serving-856dbcdbcb-sxx2n
* Serving Flask app "app" (lazy loading)
* Environment: production
WARNING: This is a development server. Do not use it in a production deployment.
Use a production WSGI server instead.
* Debug mode: off
* Running on http://0.0.0.0:5000/ (Press CTRL+C to quit)

4. If you want to get a serving job logs in a duration, for example, --since 5m represents that getting the serving job logs from five minutes ago to the present.

$ arena serve logs tf-serving-test --since 5m

5. If you want to real-time display the serving job logs, -f is required.

$ arena serve logs tf-serving-test -f