[OpenAFS-devel] memory cache size limits?

[Neulinger, Nathan]

Just saw on the console that it's getting an error about memory cache
too large for available memory.=20

The machine has 1 GB of RAM. I can cause the problem by setting a large
(40000) statcache size, and a 45MB cache, or a 10000 statcache and a
75MB cache, etc.=20

Why is libafs not able not allocate very much memory in the kernel?

-- Nathan

------------------------------------------------------------
Nathan Neulinger                       EMail:  nneul@umr.edu
University of Missouri - Rolla         Phone: (573) 341-4841
Computing Services                       Fax: (573) 341-4216


> -----Original Message-----
> From: Harald Barth [mailto:haba@pdc.kth.se]=20
> Sent: Wednesday, February 05, 2003 2:40 AM
> To: Neulinger, Nathan
> Cc: openafs-devel@openafs.org
> Subject: Re: [OpenAFS-devel] memory cache size limits?
>=20
>=20
> > I haven't dug into this thoroughly, but I'm getting a=20
> kernel panic in
> > afs_cachetrim on linux when I set mine above 45 MB. I know=20
> it fails at
> > 75, and I think it fails at 55, haven't narrowed it down=20
> yet. Machine
> > has tons of memory though.=20
>=20
> I think there is a bug (and has been there for a log time) as I got
> kernel panics on Solaris 2.6 when using as much or more than 128Mb of
> memcache. This was around the time when OpenAFS was branched off IBM,
> and there was no difference between the two.=20
>=20
> Harald.
>=20