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Possible Duplicate:
what is the nm-applet and why does it take so much memory?

nm-applet suspiciously uses about 1 gig of RAM on Ubuntu 10.10.

Is this normal behavior?

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marked as duplicate by Lekensteyn, belacqua, Oli Apr 5 '11 at 8:35

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

mine uses 50-60MBs. Still seems like an obscene amount, but fwiw, that's my nm-applet – user1974 Apr 3 '11 at 13:24
Short answer: no – 8128 Apr 3 '11 at 18:41

Did you recently get an update for network-manager? There's a known problem with the latest upgrade that causes a memory leak in nm-applet.

Search for network-manager-gnome and see if you have the 0.8.2 version. If you have it, revert back to 0.8.1 and block that version for not being upgraded.

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Mine is using 3.9 MB right now on an ethernet connection with 10.10 64-bit. 1.5 Gigs is obviously way too much. Try the obvious things like restarting your machine or killing the process ?

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