I O Lab #2 Journal

1. iotop:Can be helpful in identifying why a system is running slow. It can be used to quickly determine if the disk is able to keep up with the amount of I/O requests and if there is any user in particular that is putting out more requests than they should be.
2. ioping: Can be useful when determining if specific drives are responding to I/O requests slowly.
3. iostat: Can be used to track where there are a lot of requests going. The command can help locate where an abnormal amount of requests are being sent to.
4. sysbench: Can be used to see if there is a problem with the RAM’s latency and determining if the RAM is the cause of system lag.