Which tools to use for detailed performance analysis of disk access?
- per disk
- per process
- queues
- latency
- data volume/throughput
- errors
- characterisation (read Vs write, burst, etc.)
Tried iostat, iopending, could use a syste
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Instruments (which is part of Xcode) and dtrace are the heavy hitting analytical tools for most disk measurement jobs. Both are free and both take a little training to use unless you find someone to set up your traces for you to match your above criteria. Look for errors in system.log or the console app. |
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