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SWAP is full

asked 2011-12-31 15:23:28 -0600

HoseinIT gravatar image

Hi I wanted to know which process is eating my SWAP ? how can I tell that?

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answered 2011-12-31 16:00:41 -0600

ryran gravatar image

updated 2012-01-01 09:03:45 -0600

Well... right off the bat.. check out the interactive command top: run it and then press z, then x, then use the < key (Shift-,) to sort by RES or VIRT. That should give you a big idea what's using the most RAM. Also, try h to see the help page, which will show you that you can also press F to pick the sort field, and can even sort by fields that aren't currently displayed, e.g. Swap. Check it out.

Similarly, you can check out ps with something like:

ps -eo pid,user,rss,comm --sort=-rss | head

... which will show you the top-9 RAM-using processes, which will of course be likely to illuminate what is forcing apps into swap.

Lastly, if you're running gnome like I am, gnome-system-monitor is great. Just go to the processes tab.

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answered 2011-12-31 15:54:48 -0600

SoumyaC gravatar image

Run "top" command from the command line -

$ top

Press Capital "O" (without quotes) and then press small "p" (without quotes) and then hit "Enter" key. The process should now be sorted with the amount of Swap space usage.

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Asked: 2011-12-31 15:23:28 -0600

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Last updated: Jan 01 '12