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From: "Andreas Grimm" <agrimm61@gmail.com>
To: linux-kernel@vger.kernel.org
Subject: VM - a plenty of inactive memory
Date: Wed, 9 Apr 2008 11:13:56 +0200	[thread overview]
Message-ID: <cf40c6a90804090213u55491ceay9b211d75d74dc29c@mail.gmail.com> (raw)

Hello everybody,

i got a weird problem with one of my servers. It's a Intel SR2500AL
with 32GB of RAM.
Looking at the memory usage of the system, something is going totally
wrong. The crucial numbers from /proc/meminfo are:

MemTotal: 33265916 kB
MemFree: 416168 kB
Inactive: 24630428 kB (24GB? whooaaa)

Another system with only 16GB, same amount of users and load, shows a
more normal behaviour:

MemTotal: 16619808 kB
MemFree: 6912676 kB
Inactive: 1774364 kB

Why does the 32GB-System have this plenty of inactive memory. Is there
a way to find out, what the kernel is holding in readiness (that's the
definition of inactive memory afaik)?

OS: SLES 10 SP1
Kernel : 2.6.16.27-0.9-bigsmp

Thanks in advance.

Andreas Grimm

             reply	other threads:[~2008-04-09  9:14 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-09  9:13 Andreas Grimm [this message]
2008-04-09 13:10 ` Johannes Weiner
2008-04-09 13:57   ` Andreas Grimm
2008-04-09 14:15     ` Dan Noe
2008-04-09 15:01     ` KOSAKI Motohiro
2008-04-09 16:28       ` Andreas Grimm
2008-04-09 18:08       ` Andreas Grimm
2008-04-09 19:56         ` Johannes Weiner
2008-04-09 20:05           ` Andreas Grimm
2008-04-11 17:55     ` Peter Zijlstra
2008-04-11 13:13   ` Andreas Grimm
2008-04-11 14:34     ` linux-os (Dick Johnson)
     [not found] <fa.+S2mzTenrJ0RtdxGRDJkwIoNteA@ifi.uio.no>
     [not found] ` <fa.TNkasVGEvLf8IqduH2+YXFyYR1w@ifi.uio.no>
     [not found]   ` <fa.R/QDJx+PTjNDKcqKW25clMhQ6tg@ifi.uio.no>
2008-04-09 14:32     ` Robert Hancock

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