How to Check Which Process is Using Disk I/O on Linux

Method 1

$ iotop -oP

Command meaning: Displays only processes that have I/O activity.

Test result:

Method 2

$ pidstat -d 1

Command meaning: Displays I/O statistics, updating every second.

Test result:

Note

Both commands require kernel version 2.6.20 and later.

For more parameters, please refer to the man pages.

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