Let's change the sort order using the top command, which is essential for checking CPU load!

My name is Ito and I am an infrastructure engineer

The `top` command is often used when the CPU load is high.
If you just casually look at it, the process with the highest CPU usage will appear at the top.

However, in some cases you may want to sort processes by something other than CPU

This time, we will show you how to change the sort order using the top command!

if you want to review how to use the top command.Click here

To change the sort order

Sorting Type

There are three ways to sort the data:

shift key + m
shift key + p
shift key + o

Use the shift key

You can sort by combining the swift key with "m" or "p"

It will look like this

・shift+m

・shift+p (default)

If you want to sort more precisely

Of course, there will be other items you want to sort besides memory and CPU.
In those cases,"shift + o".

The screen will look like this

On this screen, simply select the alphabet of the item you want to sort and press Enter. Easy!

By default, it's sorted by CPU usage, so the "K" section is selected (the section with the asterisk).
Now let's try sorting by PID.

When you type "a", you will see that the PID is selected and the lowercase "a" is changed to an uppercase "A"

Now when you press Enter..

I was able to sort by PID!
The most commonly used PIDs are probably RES (q) and Status (w).

bonus

By the way, if you press "f" on the top command, you can add more fields as needed on a screen similar to shift+o!

I calculated the SWAP capacity

`top` is arguably the first command you'd use if something goes wrong with your server.
If you're curious about more than just the CPU performance, please remember this article!

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