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Neil Brown wrote:
>> OBJS ACTIVE USE OBJ SIZE SLABS OBJ/SLAB CACHE SIZE NAME
>>152098 151909 99% 0.02K 673 226 2692K fasync_cache
>>24867 24846 99% 0.05K 307 81 1228K buffer_head
>>12432 8306 66% 0.27K 888 14 3552K radix_tree_node
>> 7308 6876 94% 0.13K 252 29 1008K dentry_cache
>> 6303 5885 93% 0.36K 573 11 2292K reiser_inode_cache
>
>
> So you have about 16 megabytes used by the slab cache, none of the big
> users 'md' related.
> 16M doesn't sound like a big deal, so I suspect this isn't the source
> of the leak.
> From a separate Email I see:
>
>>Mem: 773984k total, 765556k used, 8428k free, 65812k buffers
>>Swap: 2755136k total, 0k used, 2755136k free, 526632k cached
>
> The fact that swap isn't being touched at all suggests that you aren't
> currently running low on memory.
> The fact the free is low doesn't directly indicate a problem. Linux
> uses free memory to cache files. It will discard then from the cache
> if it needs more memory.
> The fact that the OOM killer is hiting obviously is a problem. Maybe
> you need to report this on linux-kernel was an OOM problem.
>
I've let my computer run for a while longer, and it's eaten more memory than before. I'll paste the relevant parts. I'm not sure this is a
kernel thing, since I didn't have this problem before setting up a mirrored RAID array using mdadm.
from slabtop:
Active / Total Objects (% used) : 80755 / 86856 (93.0%)
Active / Total Slabs (% used) : 2974 / 2975 (100.0%)
Active / Total Caches (% used) : 76 / 140 (54.3%)
Active / Total Size (% used) : 11445.72K / 12330.93K (92.8%)
Minimum / Average / Maximum Object : 0.01K / 0.14K / 128.00K
OBJS ACTIVE USE OBJ SIZE SLABS OBJ/SLAB CACHE SIZE NAME
44469 44441 99% 0.05K 549 81 2196K buffer_head
8946 8192 91% 0.27K 639 14 2556K radix_tree_node
6960 4720 67% 0.13K 240 29 960K dentry_cache
3510 3510 100% 0.09K 78 45 312K vm_area_struct
3179 2522 79% 0.36K 289 11 1156K reiser_inode_cache
3050 2477 81% 0.06K 50 61 200K size-64
2782 2713 97% 0.04K 26 107 104K sysfs_dir_cache
2405 2378 98% 0.29K 185 13 740K inode_cache
2142 2142 100% 0.03K 18 119 72K size-32
1860 1817 97% 0.12K 60 31 240K size-128
875 875 100% 0.16K 35 25 140K filp
from free:
total used free shared buffers cached
Mem: 773900 765416 8484 0 75680 450004
- -/+ buffers/cache: 239732 534168
Swap: 2755136 118568 2636568
Something's digesting memory and not giving it back.
I'm now running 2.6.12.1 instead of 2.6.11.12 in the hopes that something was fixed, but no.
Thanks,
- --
David Kowis
ISO Team Lead - www.sourcemage.org
SourceMage GNU/Linux
One login to rule them all, one login to find them. One login to bring them all, and in the web bind them.
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