Tracking down memory leaks
Is there a way to determine what is using up my memory? I have an 8GB
system and every few days the memory usage rises to over 7 GB and up to
a GB, or more of swap is used. Granted, I have 3 X sessions running,
along with 2 instances of Firefox and one of Chrome, not to mention up
to 3 instances of Libre Office, but... When I first added the 8 GB (I
used to do this on 2.25 GB!) I could run for months without having a
memory problem. Now it's every few days.
When this happens, I exit all programs and shut down all three X
sessions. I also log out the other two users. This leaves me with only
a single login and nothing but bash running. When I run 'free' it
usually shows over 2 GB in use! When I reboot, the memory usage is back
down at about 250 MB. Much more reasonable.
So how do I tell what is using up the memory and not freeing it up? Is
there a way to free that memory without having to reboot?
Marc
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