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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