We have a long-time running service on Google App Engine(GAE). However, after a while, we began to get the error in the image. No changes to the code. I don't understand why we're having the problem we didn't have before.

> 
> 2020-01-05 08:31:32.704 UTC-8
> Exceeded soft memory limit of 2048 MB with 2068 MB after servicing 0 requests total. Consider setting a larger instance class in app.yaml.
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> 2020-01-05 08:31:32.705 UTC-8
> This request caused a new process to be started for your application, and thus caused your application code to be loaded for the first time. This request may thus take longer and use more CPU than a typical request for your application.
> 
> 
> 2020-01-05 08:31:32.705 UTC-8
> The warmup request failed. Please check your warmup handler implementation and make sure it's working correctly.
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> 
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[![Error image](https://i.stack.imgur.com/R5Nvl.png)](https://i.stack.imgur.com/R5Nvl.png)

**Edit: System Info;**

We are running python.
I have cronjobs.