[Fedora-directory-users] looking for some insight into configuring FDS for an enterprise environment of 10k users
George Holbert
gholbert at broadcom.com
Wed May 23 17:49:15 UTC 2007
> Running this script will generate "can't contact the LDAP server" errors.
Does this happen immediately, or does the script run for a while first?
When you start seeing this message, what shows up in the server's access
and error logs?
> Max file descriptors: 4096
If you're running on machines dedicated to the directory service, you
can increase this quite a bit... in fact, this is probably the limit
you're hitting.
Anderson, Cary wrote:
> I have been doing some stress tests on the FDS in order to try and
> configure the server for an enterprise wide deployment. My goal is to
> recommend the number of slave/master servers and the appropriate
> configuration for an environment with 10k users.
>
> Starting with a default FDS installation I have modified the directory
> accordingly:
> 10k users id's
> the max cache size: 63Mb
> Lookthrough limit: 15000
> Max file descriptors: 4096
> memory avail. for cache: 100Mb
> Created an index for uidnumber
>
> I have created a php script to stress test the server.
> The script has the following parameters:
>
> processes 500 # number of simultaneous connections
> binds 5 #number of times the script will loop
> query 50 # number of queries to make
> min sleep 1 # min time between queries
> max sleep 5 # max time between queries
> uid_number 50000 # search for this uidnumber
> server 10.27.1.104 #host ldap server
>
> Running this script will generate "can't contact the LDAP server"
> errors. My question is should I be looking at some other parameters
> to modify in order to have the server handle more simultaneous
> connections. 500 connections doesn't seem like an unreasonable number
> of connections for an enterprise directory server, yet the server is
> rolling over at what seems to be a pretty light load...
>
> Any insights on how best to configure the server to handle a larger
> number of connections would be greatly appreciated.
>
> Thanks
>
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