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# Low-level TCP server in Rust with MIO
It is time to get acquainted with Metal IO, low-level cross-platform abstraction over epoll/kqueue written in Rust.
[https://sergey-melnychuk.github.io/2019/0…
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### Detailed Description of the Problem
Sometimes (quite frequently under load) haproxy marks a backend as being down even though the liveness check (httpchk) is successful.
### Expected Behavior
B…
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### Detailed Description of the Problem
In our quic-interop test setup we've observed that haproxy sometimes fails to parse QUIC client helo packet, which makes some tests shaky. The initial packet…
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Hi,
To understand the performance benefits of f-stack, I started with a simple application where a client interacts with a server via TCP. Both client and server run on aws ec2 instances, each havi…
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There is a Multipath TCP feature (MPTCP) that was standardized in March 2020 (https://www.rfc-editor.org/rfc/rfc8684.html), merged into the Linux mainline sometime in 2020, and has been developed and …
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### Is this urgent?
None
### Host OS
Ubuntu
### CPU arch
None
### VPN service provider
IPVanish
### What are you using to run the container
Portainer
### What is the vers…
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I am trying to achieve “It allows latency-sensitive programs to run in a hot-loop pinned to a thread on an isolated core in order to achieve low latency and jitter.”.
Usually I do this by calling …
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链接两个以上的client之后，拔掉其中一个的网线，另外的几个都会受到影响，画面会卡顿，经过分析，发现是epoll和select都无法响应tcp keepalive，导致无法正常remove掉已经断开连接的client，整个server从逻辑上就出现了问题
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### Your Feature Request
Currently, the following three metrics have a `code` label that categorizes HTTP response status codes as `1xx`, `2xx`, `3xx`, etc.:
1. `haproxy_frontend_http_responses_to…
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2024-04-06T02:51:49.525+08:00 ERROR 7 --- [reactor-tcp-epoll-2] a.w.r.e.AbstractErrorWebExceptionHandler : [84d52c2e-3166] 500 Server Error for HTTP PUT "/apis/org.xiqi.notifyme/v1alpha1/notifymes/no…