[Haskell-cafe] "-with-rtsopts=-T" solved the memory leak

Vlatko Basic vlatko.basic at gmail.com
Wed May 29 12:49:56 UTC 2019


I accidentally solved a memory leak just by enabling "with-rtsopts=-T".

I knew where the issues was, in one servant client web call. It was showing even 
when the call result (a Bool) wasn't used.

While the leak was "active", I had:


And now that it doesn't show anymore, I have:


I can reproduce the leak just by commenting out "-with-rtsopts=-T" and force 

Can anyone explain what is happening?

Best regards,


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