GAE Soft Memory Limit

is there a way to catch the soft memory limit warning in google ? I am not referring to the Memory Exceeded Error of 300 MB but the warning message which appears when you cross 180 MB memory limit.

01-06 07:11PM 08.597
Exceeded soft memory limit with 247.434 MB after servicing 1 requests total

I want to catch this 开发者_C百科warning when it shows up in my code and start deleting some memory

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No exception is thrown in your code when this happens - it's logged by the runtime after your request finishes executing, so there's no way to 'catch' it.