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Try Puma 6? the issue is most likely in your app and impossible to debug with access to it |
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upgrade is certainly on our list of things to try, but this is a big app with many interlocking dependencies, not sure how feasible is the upgrade at the moment :( It's also "the average Rails app", nothing fancy, |
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My Rails 5 (big) app randomly freezes in development mode, attached thread dump. Hopefully someone can help me with the next steps in debugging this
hang.txt.
I have tried comparing this to the threaddump of not hanging app and it seems the main difference is that "puma server" thread is in the runnable state (compared to TIMED_WAITING when hanging, but not sure how to check what is it waiting on).
Puma config:
default, on start puma prints:
Desktop:
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