b7fce000 4K rw--- /lib/ld-2.5.so bf9aa000 84K rw--- [ stack ] total 204940K
The memory of the server is only 1GB, but iftop takes 204MB. It is crazy that iftop uses so much memory. So why does iftop use so much memory? Are there any tools that are powerful, but do not use so much memory?