View Full Version : Linux meminfo very high slab

29-Apr-2014, 09:21

we face a problem with on of our linux SLES Database Server. The kernel is consuming 80% of the memory for the slab.

SLES 11.3

Linux 3.0.101-0.21-default

MemTotal: 12195516 kB
MemFree: 219028 kB
Slab: 9364632 kB
SReclaimable: 6859668 kB

Normally the SLAB is reclaimable by kernel itself or by command

#>echo 2 > /proc/sys/vm/drop_caches

But in our case the kernel do not free the space. So the databases are swapping blocks to the hard disk.

Does anyone see some behavior like this in the past ?

Does this maybe a kernel bug ?

Is it possible to limit the slab ?

Thanks a lot !!!

Automatic reply
04-May-2014, 13:30

It appears that in the past few days you have not received a response to your
posting. That concerns us, and has triggered this automated reply.

Has your issue been resolved? If not, you might try one of the following options:

- Visit http://www.suse.com/support and search the knowledgebase and/or check all
the other support options available.
- You could also try posting your message again. Make sure it is posted in the
correct newsgroup. (http://forums.suse.com)

Be sure to read the forum FAQ about what to expect in the way of responses:

If this is a reply to a duplicate posting, please ignore and accept our apologies
and rest assured we will issue a stern reprimand to our posting bot.

Good luck!

Your SUSE Forums Team