Archive for February, 2012

Is Linux really out of memory?

If you have ever looked at RAM usage on a Linux server you might have noticed that the server might be running out of memory. This is misleading. Let’s take the following example: [somedude@ultra ~]$ free              total       used       free     shared    buffers     cached Mem:      16432988   16378844      54144          0     647204   14692400 -/+ buffers/cache:    1039240   15393748 Swap:     16383992    4501164   11882828 At glance it looks like you have 54144 bytes of memory free. This is not true. This […]

Posted on February 28, 2012 at 12:56 by somedude · Permalink · Leave a comment
In: centos, linux, linux tips, redhat