[Date Prev][Date Next]
[Chronological]
[Thread]
[Top]
Re: Problem with slow localhost connections
On Fri, Dec 06, 2002 at 06:45:51PM -0500, Allan Streib wrote:
> I have suddenly started seeing delays of up to 10 seconds when doing
> an ldapsearch on localhost, after being up and running for over two
> weeks with no problems at all. It is intermittent, but more often
> than not. The activity in the slapd log shows that the delay appears
> to be outside of ldap, by which I mean that once the connection is
> logged everything happens very quickly. Also watching netstat I don't
> see the localhost ldap connection for some seconds when this happens.
>
> In one case ran tcpdump on the lo interface and saw no activity for
> apoximately 6 seconds after I initiated the ldapsearch command.
This sounds like a DNS problem to me. Check that you can resolve these
names from the box you are having trouble with:
localhost.
localhost.<your domain name>
1.0.0.127.in-addr.arpa.
Use 'dig' if you have it, otherwise 'nslookup'.
They should all resolve in well under a second on a correctly-running
machine (dig reports 18ms on mine, which is passing DNS queries across
the net to a nearby machine).
Andrew
--
-----------------------------------------------------------------------
| From Andrew Findlay, Skills 1st Ltd |
| Consultant in large-scale systems, networks, and directory services |
| http://www.skills-1st.co.uk/ +44 1628 782565 |
-----------------------------------------------------------------------