4 ms·
This is great, not just the parameters themselves but all the steps that a packet follows from the point it enters the NIC until it gets to userspace. Just one
by gjulianm 3y ago
This is great, not just the parameters themselves but all the steps that a packet follows from the point it enters the NIC until it gets to userspace.
Just one thing to add regarding network performance: if you're working in a system with multiple CPUs (which is usually the case in big servers), check NUMA allocation. Sometimes the network card will be in one CPU while the application is executing on a different one, and that can affect performance too.
- suprjami 3y agoPackagecloud have a great article series which goes into much more detail and with code study. If you really want to learn the network send and receive, these are the articles to read: https://blog.packagecloud.io/monitoring-tuning-linux-networking-stack-receiving-data/ https://blog.packagecloud.io/monitoring-tuning-linux-network... https://blog.packagecloud.io/monitoring-tuning-linux-networking-stack-sending-data/ https://blog.packagecloud.io/monitoring-tuning-linux-network... https://packagecloud.io/blog/illustrated-guide-monitoring-tuning-linux-networking-stack-receiving-data/ https://packagecloud.io/blog/illustrated-guide-monitoring-tu...