It’s challenging to know what’s happening at the hardware or application level when our infrastructure is distributed across multiple locations and includes many servers. Components can run into failures, response latency overshoot, overloaded or unreachable hardware, and containers running out of resources, among other issues. Multiple services are running in such an infrastructure, and anything can go awry.

When one of the services goes down, it can be the reason for other services to crash, and as a result, the application is unavailable to users. If we don’t know what went wrong early, it could take us a lot of time and effort to debug the system manually.

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