RHEL4 & LDAP is really slow

[Aaron Bliss]

Ryan,
You may want to check the dns settings of the problematic client....slow 
ldap responses to a particular client are often caused by this.

Aaron

Ryan Golhar wrote:
> Hi,
>
> I just noticed this today and don't recall ever seeing it before.  We 
> have 2 machines running RHEL 4.  All others are running RHEL 3 and 1 
> running RHEL 5.
>
> They all authenticate users from OpenLDAP.  One of the machines 
> running RHEL 4 responds extremely slow to user logins or anything to 
> do with the LDAP.  I checked /var/log/messages and I see a lot of this:
>
> Jan  8 23:21:28 proline sshd: nss_ldap: reconnecting to LDAP server...
> Jan  8 23:21:28 proline sshd: nss_ldap: reconnecting to LDAP server...
> Jan  8 23:21:28 proline sshd: nss_ldap: reconnecting to LDAP server 
> (sleeping 4 seconds)...
> Jan  8 23:21:32 proline sshd: nss_ldap: reconnecting to LDAP server 
> (sleeping 8 seconds)...
> Jan  8 23:21:40 proline sshd: nss_ldap: reconnecting to LDAP server 
> (sleeping 16 seconds)...
>
> None of the other machines are suffering from this problem including 
> the other RHEL 4 machine.
>
> If I try executing ldapsearch on this problem machine, it responds 
> quickly as expected.
>
> There is nothing in the logs on the I'm not sure where else to look or 
> what to look for.  Any suggestions?
>
> Ryan
>

-- 
Aaron Bliss
Systems Administrator
SUNY Brockport
(585) 395-2417