Add proposal for circuit breaker

[Okabe-Rintarou-0]

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Which issue(s) this PR fixes: Fixes #

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[hzxuzhonghu]

I didnot see the response recording, how could we achieve that?

[Okabe-Rintarou-0]

I didnot see the response recording, how could we achieve that?

can we use this https://github.com/weaveworks-plugins/scope-http-statistics/blob/master/ebpf-http-statistics.c?

I'm busy for taking examines these two weeks, so my progress may be slow recently.

[Okabe-Rintarou-0]

Can we maintain a statistic structure map in ebpf (so that can be accessed in user space), recording http statistic information like: number of connections, number of requests. We hook some functions in ebpf to collect this info, and we can do circuit breaker logic using golang in user space.

[hzxuzhonghu]

Agree, there need response handling

[Okabe-Rintarou-0]

I tried https://eunomia.dev/zh/tutorials/23-http/, works.

127.0.0.1:59434(src) -> 127.0.0.1:8000(dst)
payload: GET / HTTP/1.1
Host: 0.0.0.0:8000
User-Agent: curl/7.81.0
Acc
127.0.0.1:8000(src) -> 127.0.0.1:59434(dst)
payload: HTTP/1.0 200 OK
Server: SimpleHTTP/0.6 Python/3.10.12
Date: Tu

[Okabe-Rintarou-0]

Mostly LGTM, so outlier detection can be designed separately

Yes, I think so.

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