Need to monitor Linux server performance? Try these built-in command and a few add-on tools. Most Linux distributions are equipped with tons of monitoring. These tools provide metrics which can be used to get information about system activities. You can use these tools to find the possible causes of a performance problem. The commands discussed below are some of the most basic commands when it comes to system analysis and debugging server issues such as:
What sort of impact can you expect from switching a machine from the Gigabit Ethernet NIC that come on its motherboard to a higher-end Intel desktop NIC? I benchmarked two common gigabit NICs found on motherboards against two Intel PCIe desktop gigabit NICs, targeting the specific purpose of accessing an NFS share over the network. The short version: throughput for sequential read/write operations didn't improve much, but latency was much better, allowing anything that needs a network round trip, like create, delete, and seek, to work much faster.
Networking
What sort of impact can you expect from switching a machine from the Gigabit Ethernet NIC that come on its motherboard to a higher-end Intel desktop NIC? I benchmarked two common gigabit NICs found on motherboards against two Intel PCIe desktop gigabit NICs, targeting the specific purpose of accessing an NFS share over the network. The short version: throughput for sequential read/write operations didn't improve much, but latency was much better, allowing anything that needs a network round trip, like create, delete, and seek, to work much faster.
