What Can You Do About It?

• Use faster buses

• Use faster machines

• Use newer operating systems

• Use faster disk drives

• Choose optimal file system parameters

• Be picky about patches

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Faster buses = more data transferred per unit of time

Faster machines = able to handle more transfers per unit of time

Newer operating systems = better optimization of kernel, drivers, etc.

Faster disk drives = faster sinks and sources of data

FS parameters = tests show that throughput is increased for some settings, and decreased for others.

Patches = patches sometimes have undesirable side effects