Best Practices
- Use Paravirtualized Devices On Your Virtual Machines
- Do Not Collect System Performance Data From Guest OSes
- Adjust vm.swappiness to Avoid Unneeded Disk I/O
- Zero Out Free Space
- Disk Partition Alignment Is Still Important
- Gain 30% Linux Disk Performance with noatime, nodiratime, and relatime
- Store Logs Centrally
- Use elevator=noop For Linux Virtual Machines
- Don’t Start GUIs and X Windows On Servers
- The Best OS Installation Is Minimal