Chapter 5: Analyzing Performance in a Gluster System

1. Megabytes per second, a throughput measurement.
2. Shows ZFS’s I/O statistics.
3. Part of the sysstat package, used for block devices I/O statistics.
4. This is the read latency, measured in milliseconds.
5. The amount of time the CPU is waiting for outstanding I/O to complete.
6. Flexible I/O Tested, a tool used for I/O benchmarking.
7. Either through a configuration file or by passing the parameters to the command directly.
8. A file that tells FIO how to run a test.
9. By purposely killing one of the nodes.
10. By increasing resources on the nodes or increasing disk size.