Investigate the reason for too many ECONNRESET errors

[detj]

Summary

For a particular self host deployment, we are observing many ECONNRESET errors. Investigate and try to find the root cause of these errors. Try to find the impact and downstream consequences of these errors too.

Details

• There are 24644 PUT /events calls that resulted in connection reset by peer in the last 10 days.
• No other endpoint has this error only PUT /events
• 2% of all PUT /events calls
• response time maxima of such calls is 948694.09ms or around 15 mins
• response time minima of such calls is 1.30ms
• all such reqs are originating from Android 9, 10, 11, 12, 13, 14 devices
• all of them has 400 status code
• ECONNRESET may indicate network congestion issues, firewall restrictions, or other network related errors
• surprisingly, there are no ECONNRESET errors for user B for last 10 days, which may imply this is a user A specific issue or this issue happens under high load.