>
> Are you actually seeing a problem with this (caching
> is generally good)
> or just curious?
>
I was mostly curious, especially because In some cases
after having created all the files I may not need to
have all of them cached and I may need to availability
of the RAM for other purposes.
Thank you all for all the info,
Mariella
--- Eric Sandeen <sandeen@xxxxxxxxxxx> wrote:
> Mariella Petrini wrote:
>
> > QUESTION:
> >
> > Is there any way to release that amount of memory
> > without unmounting the file systems ?
> > Is that caused to some caching mechanism ?
> > Or could that be caused by something else ?
>
> It's most likely the linux VFS caching the dentries
> & inodes, and
> therefore caching the xfs inodes as well.
>
> cat /proc/sys/fs/dentry-state and
> /proc/sys/fs/inode-state to see how
> many are in memory, how many are active, and the age
> limit.
>
> slabtop would fairly easily show you how much is in
> the dentry_cache &
> the inode_cache too.
>
> Are you actually seeing a problem with this (caching
> is generally good)
> or just curious?
>
> -Eric
>
>
>
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