2022-01-27

Google app engine Django app is crashing intermittently but the log files aren't showing me why

I have a Django 4.0 application running on google app engine, and for the most part it works fine. However I have a particular page which seems to crash the application after I load the page several times. On my laptop I don't see this behavior, so I'm trying to debug what is going wrong when it is running on GAE but I don't have much visibility into what is happening. Watching the logs doesn't tell me anything interesting, just that the workers are shutting down and then that they are restarting:

gcloud app logs tail -s default

2022-01-26 16:02:38 default[fixeddev]  2022-01-26 08:02:38,933 common.views INFO     Application started
2022-01-26 16:03:40 default[fixeddev]  "GET /organization/clean_up_issues/ HTTP/1.1" 200
2022-01-26 16:03:56 default[fixeddev]  "GET /organization/clean_up_issues/ HTTP/1.1" 200
2022-01-26 16:04:10 default[fixeddev]  "GET /organization/clean_up_issues/ HTTP/1.1" 500
2022-01-26 16:04:15 default[fixeddev]  [2022-01-26 16:04:15 +0000] [12] [INFO] Handling signal: term
2022-01-26 16:04:15 default[fixeddev]  [2022-01-26 08:04:15 -0800] [22] [INFO] Worker exiting (pid: 22)
2022-01-26 16:04:15 default[fixeddev]  [2022-01-26 08:04:15 -0800] [25] [INFO] Worker exiting (pid: 25)
2022-01-26 16:04:15 default[fixeddev]  [2022-01-26 08:04:15 -0800] [27] [INFO] Worker exiting (pid: 27)
2022-01-26 16:09:49 default[fixeddev]  "GET /_ah/start HTTP/1.1" 200
2022-01-26 16:09:49 default[fixeddev]  [2022-01-26 16:09:49 +0000] [10] [INFO] Starting gunicorn 20.1.0
2022-01-26 16:09:49 default[fixeddev]  [2022-01-26 16:09:49 +0000] [10] [INFO] Listening at: http://0.0.0.0:8081 (10)
2022-01-26 16:09:49 default[fixeddev]  [2022-01-26 16:09:49 +0000] [10] [INFO] Using worker: gthread
2022-01-26 16:09:49 default[fixeddev]  [2022-01-26 16:09:49 +0000] [21] [INFO] Booting worker with pid: 21
2022-01-26 16:09:49 default[fixeddev]  [2022-01-26 16:09:49 +0000] [24] [INFO] Booting worker with pid: 24
2022-01-26 16:09:49 default[fixeddev]  [2022-01-26 16:09:49 +0000] [25] [INFO] Booting worker with pid: 25
2022-01-26 16:09:49 default[fixeddev]  [2022-01-26 16:09:49 +0000] [26] [INFO] Booting worker with pid: 26
2022-01-26 16:09:50 default[fixeddev]  OpenBLAS WARNING - could not determine the L2 cache size on this system, assuming 256k
2022-01-26 16:09:50 default[fixeddev]  OpenBLAS WARNING - could not determine the L2 cache size on this system, assuming 256k
2022-01-26 16:09:50 default[fixeddev]  OpenBLAS WARNING - could not determine the L2 cache size on this system, assuming 256k
2022-01-26 16:09:50 default[fixeddev]  OpenBLAS WARNING - could not determine the L2 cache size on this system, assuming 256k
2022-01-26 16:09:53 default[fixeddev]  2022-01-26 08:09:53,151 common.views INFO     Application started

Where do I go to get more visibility into what is actually happening during these crashes? I'm relatively new to GAE and feel like I'm debugging blind since I can't reproduce this issue on my local dev machine, and no exception is getting logged. Each crash just produces a 500.

Unrelated bonus round question: does anyone know how to deal with the OpenBLAS warnings? Is this a real issue or just a nuisance that I can't seem to suppress?



from Recent Questions - Stack Overflow https://ift.tt/34aWJsk
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