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* MM-23800: remove goroutineID and stack printing Each hub has a goroutineID which is calculated with a known hack. The FAQ clearly explains why goroutines don't have an id: https://golang.org/doc/faq#no_goroutine_id. We only added that because sometimes the hub would be deadlocked and having the goroutineID would be useful when getting the stack trace. This is also problematic in stress tests because the hubs would frequently get overloaded and the logs would unnecessarily have stack traces. But that was in the past, and we have done extensive testing with load tests and fuzz testing to smooth any rough edges remaining. Including adding additional metrics for hub buffer size. Monitoring the metrics is a better way to approach this problem. Therefore, we remove these kludges from the code. * Also remove deadlock checking code There is no need for that anymore since we are getting rid of the stack printing anyways. Let's do a wholesale refactor and clean up the codebase. Co-authored-by: mattermod <mattermod@users.noreply.github.com>
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