Kernel eating memory, ends up trashing

Harald Hoyer harald at redhat.com
Wed Sep 24 14:13:30 UTC 2003


FYI: kernel <= 2.4.20-20.9 is not affected by the refile_inode bug

Am Fr, 2003-09-19 um 20.58 schrieb Stephen C. Tweedie:
> 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?
> 
> Cheers,
>  Stephen
> 
> 
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-- 
Harald Hoyer, Senior Software Engineer  Harald.Hoyer at redhat.de
Red Hat GmbH                       Tel. : +49-711-96437-0
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