Re: OpenLDAP + 300 CPUs

[Robert Petkus <rpetkus@bnl.gov>]

On linux you can do something like this to /etc/security/limits and 
restart ldap:
ldap           soft    nofile          32768
ldap           hard    nofile          65525

Robert



Jean-Francois Bouchard wrote:
> Hello
>
> I have an interesting issue here.
>
> We are operating a grid ( http://en.wikipedia.org/wiki/Grid_computing )
> composed of a bit more than 300 CPUs.
>
> We have a standalone machine that take care of our LDAP server. Right
> now this machine run the LDAP server with a idletimeout set.
>
> When a use submit a bunch of job (Lets say 10 000 jobs) each job
> generate a query to the LDAP machine. What happen ? The only process
> stop accepting connection due to the FD size limit (1024 connections).
> Even with a idletimeout connection set at 2 second...
>
> What choice we have to let our LDAP machine do more ...
>
> We like to know if openLDAP can do like apache (fork a process for each
> connection, or a process for a small bunch of connection.)
>
>
> Thanks
>
> ---
> Jean-Francois Bouchard
>
>   


--
Robert Petkus
Brookhaven National Laboratory
Physics Dept. - Bldg. 510A
Upton, New York 11973
http://www.bnl.gov/RHIC
http://www.acf.bnl.gov