Re: dentry cache leak? Re: rsync out of memory 2.6.8-rc2

[Nick Piggin]

Klaus Dittrich wrote:
> Klaus Dittrich wrote:

> > I did a test with a value of 500. echo 500 > 
> > /proc/sys/vm/vfs_cache_pressure.
> >
> > The highest numbers a cat /proc/sys/fs/dentry-state then showed during
> > a du -s were
> > 780721  750505  45      0       0       0
> >
> > The system survied. No processes were killed.
> >
> > With vfs_cache_pressure=100 a cat /proc/sys/fs/dentry-state showed
> > numbers of about 1090000 before processes got killed.
> >
> > Hope that helps to narrow the region to look for what has changed.
> PS. Two concurrent du -s however "kernel: Out of Memory: Killed process .."

Your vfs_cache_pressure probably wants to be higher than 500. Make it 10000.
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