fatal error: concurrent map read and map write

[vonschultz]

Describe the bug
amazon-cloudwatch-agent crashes with "fatal error: concurrent map read and map write"

Steps to reproduce
amazon-cloudwatch-agent, running on an on-prem server, will occasionally stop reporting metrics. Inspecting the service logs, there's a crash, starting with the words fatal error: concurrent map read and map write.

What did you expect to see?
I expect amazon-cloudwatch-agent to either report metrics regularly, or possibly exit with an understandable and ideally actionable error message that indicates a problem with the environment (if any). I don't expect to see anything that looks like a programming error or crash.

What did you see instead?
fatal error: concurrent map read and map write followed by a backtrace.
amazon-cloudwatch-agent.service.crash.log

What version did you use?
Version: 1.300049.1b929-1

What config did you use?
Config:
amazon-cloudwatch-agent.json

Environment
OS: Ubuntu 24.04.1

$ lsb_release -a
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 24.04.1 LTS
Release:	24.04
Codename:	noble

Additional context
amazon-cloudwatch-agent.service.txt