iotop tool to find bandwidth used during the sampling period

iotop-tool-find-bandwidth

iotop tool to find bandwidth used during the sampling period

DISK READ and DISK WRITE are the block I/O bandwidth used during the sampling
period. SWAPIN and IO are the percentages of time the thread spent respectively
while swapping in and waiting on I/O more generally. PRIO is the I/O priority at
which the thread is running (set using the ionice command).

Controls: left and right arrows to change the sorting column, r to invert the
sorting order, o to toggle the –only option, p to toggle the –processes
option, a to toggle the –accumulated option, q to quit, any other key to force
a refresh.

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