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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