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Intermittent 10s Delay in Connection Setup Despite Full Bandwidth #3570
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Did you check if it's a DNS issue or same when using IP ? |
Hi Ysurac. It's happening time by time. But the result is, that it feels very slow. root@OpenMPTCProuter:~# uci show unbound.ub_main root@OpenMPTCProuter:~# uci -q get openmptcprouter.settings.disable_ipv6 |
In status->overview, how many Active Connections do you have ? |
We use Shadowsocks-Rust. We have 9090 / 131072 (6%) active connections. |
When you have an issue, can you check on the VPS via |
I just attached the log file. |
Hi Ysurac, |
There is many "Failed to complete handshake with client". |
it's dsl + starlink. |
What is the connection set as master ? In your case this should be DSL I think. |
It is. |
Hi. Somehow the issue can be related to shadowsocks-rust timeout handling. This 10s can be related to SYN. Any idea? |
Expected Behavior
We expect connections to establish quickly without any delay, even when there are many simultaneous sessions. The connection setup time should be near-instantaneous and reliable.
Current Behavior
Sometimes, the connection setup takes exactly 10 seconds, and occasionally, no session is established at all. This delay seems to happen more often when there are many simultaneous sessions. Despite this, speed tests consistently show full bandwidth. We have checked the logs in Status -> System log but couldn't find a clear explanation for the behavior.
Specifications
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