How we can reduce memory utilization of collectors as well as MOM n webview.We have declared heap size of 4GB .But normally we received memory utilization alerts even for whose value is 8 GB.Any thing we can fix n resolve this issue permanently.
P.S You can also see below one.here we have given 15 GB.
$ free -g
total used free shared buffers cached
Mem: 15 12 3 0 0 8
>Always i am seeing "Cached data is of 4GB or more how can we clear it n how we can idetify what kind of data is under Cached.