nickva commented on issue #2437: Hung beam.smp sitting at 100% CPU URL: https://github.com/apache/couchdb/issues/2437#issuecomment-578443244 When the VM was stuck on Erlang 22 I sampled the stack a few times: with `pidof rebar | xargs -n1 sudo gdb --batch -ex "thread apply 5 bt" -p` [sample_stuck_vm.txt](https://github.com/apache/couchdb/files/4112786/sample_stuck_vm.txt) Thread 5 was the one that was actively spinning it seems so sampled just its stack.
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