Re: need suggestion on indexing big directory

[Quanah Gibson-Mount <quanah@stanford.edu>]

--On Wednesday, June 09, 2004 10:03 PM +0200 vadim tarassov 
<vadim.tarassov@swissonline.ch> wrote:

> Hi Quanah,
>
> now it gets really interesting. As I have mentioned before I've tried to
> index database with significantly less entries and indexes on hardware
> very much comparable to yours (sun fire v100). It was taking days to
> complete it, although you are managing the same during 2 hours.
>
> I am using OL stable (2.1.30). I assume you are already on 2.2.X, right?
> Can I attribute such dramatic difference in time we need to complete
> backend load to difference in OL versions?
>
> Thanx a lot and best regards, vadim tarassov.

Yes.  You can't use a shared memory cache in 2.1.  Note that you may need 
to tweak your kernel parameters:

set shmsys:shminfo_shmmax=3221225472

in /etc/system allows a 3 GB shared memory cache, for example.

--Quanah

--
Quanah Gibson-Mount
Principal Software Developer
ITSS/Shared Services
Stanford University
GnuPG Public Key: http://www.stanford.edu/~quanah/pgp.html