Re: waiting for SEM
Posted in 1998
In article <34DEA548.A5927A4C@hp.com>, Deepa Sankaranarayan
<deepa_sankaranarayan@hp.com> writes
>Hi
>
>I am running oncheck -cD and cI on my sap dbs and they take ages to
>complete. Its a 2 cpu box and I've configured Informix for 2 cpus.
>(NUMCPUVPS, MULTIPROCESSOR). glanceplus shows that the process is
>waiting for SEM. What needs to be changed?
>
>TIA
>
Proably not much as oncheck is VERY disk intensive.
Try running oncheck on several tables in parallel.
Using oncheck -pe to make sure that the tables are on different
disks first...
>Deepa
>
--
David Williams
Maintainer of the Informix FAQ
Primary site (Beta Version) http://www.smooth1.demon.co.uk
Official site http://www.iiug.org/techinfo/faq/faq_top.html
I see you standin', Standin' on your own, It's such a lonely place for you, For
you to be If you need a shoulder, Or if you need a friend, I'll be here
standing, Until the bitter end...
So don't chastise me Or think I, I mean you harm...
All I ever wanted Was for you To know that I care