[CentOS] Finding memory usage

Fri Jul 27 15:41:26 UTC 2018
Bowie Bailey <Bowie_Bailey at BUC.com>

On 7/27/2018 11:14 AM, Jon Pruente wrote:
> On Fri, Jul 27, 2018, 10:10 AM Bowie Bailey <Bowie_Bailey at buc.com> wrote:
>> I have a CentOS 7 server that is running out of memory and I can't
>> figure out why.
>> <snip>
>> The problem is that I can't find 2.4G of usage.  If I look at resident
>> memory usage using "top", the top 5 processes are using a total of
>> 390M.
> On a lark, what kind of file systems is the system using and how long g had
> it been up before you rebooted?

The filesystems are all XFS.  I don't know for sure how long it had been
up previously, I'd guess at least 2 weeks.  Current uptime is about 25
hours and the system has already started getting into swap.