Kernel eating memory, ends up trashing
seth vidal
skvidal at phy.duke.edu
Fri Sep 19 19:07:21 UTC 2003
On Fri, 2003-09-19 at 14:58, Stephen C. Tweedie wrote:
> Hi,
>
> On Fri, 2003-09-19 at 18:30, Dag Wieers wrote:
>
> > > Exactly which kernel are you running ?
> >
> > 2.4.20-19.9 currently, but I have the same effect with 2.4.20-18 and
> > 2.4.20-20. The graph is exactly the same as it was weeks ago (every 2
> > weeks this happens, only this time the system was responsive enough to
> > return the information ;)
>
> We recently found one problem which could affect the size of the inode
> cache. It's not exactly a leak, because the resources can still be
> reclaimed, but the inodes were filed away in a place where the VM was
> least likely to go looking to reclaim them.
>
> Could you "cat /proc/slabinfo" on the affected systems and see what the
> inode_cache entry looks like, please?
>
I'm seeing this behavior under 7.3 using kernel 2.4.20-18.7
here is inode_cache from that machine:
inode_cache 20400 21014 512 3002 3002 1
Is this related to this bug:
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=100680
at all?
-sv
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