2

I found something is eating 100KB of my rx Internet connection. Doing iftop I found that most data is coming from 69.31.72.192.

Running this command line:

lsof -P -i -n | cut -f 1 -d " " | uniq

the list of processes is this

UserEvent
SystemUIS
Finder
sharingd
Dropbox
Google

Dropbox syncing is paused, Google goes away if I close Chrome, but the connection is eaten anyway...

I came from linux and it is really shocking to see the system eating resources without knowing what is going on...

My four suspects are

UserEvent
SystemUIS
Finder
sharingd

I actually have two questions:

  • How can I check which is the exact process that eats the connection?
  • Can I take control on how the process(es) use my connection (which is really limited)?
  • 1
    turn off sharing. run netstat – Ruskes Mar 1 '14 at 14:56
  • How would you know which processes are taking resources in Linux? – Mark Mar 1 '14 at 15:15
  • Linux - ps aux and netstat – insignificant zebra Mar 1 '14 at 15:35
  • Both those are on OSX so what is different? – Mark Mar 1 '14 at 16:40
1

Activity Monitor has a network tab which should show you what you need. It has columns for process and sent/received packets & bytes.

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