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How to get I/O usage by process in Unix?

Fresh5 days ago
Mar 15, 202611227 views
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Problem

Possible Duplicate: Linux: Is there something similar to "top" for I/O? I am trying to do some CPU intensive operation on a Linux machine and it is showing very high load. I want to figure out if this load is due to I/O or CPU usage. How could I get the percentage of I/O usage by process?

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Fix for: How to get I/O usage by process in Unix?

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Try program called "iotop". It shows usage of local disk drives in similar way than "top" for CPU usage. For network traffic there's a tool called "iftop". Also, if you are uncertain about why the load is high, look at the "IO Wait" column on "top" …

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