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Re: LDAPADD command hangs

Hi Quanah,
Over the weekend there was some maintenance work done. The system was down
hence it bounced.
sorry about that. its ok now.

----- Original Message -----
From: "Quanah Gibson-Mount" <quanah@stanford.edu>
To: "Sivasakthi d/o Sivagnanam" <sakthi@digicert.com.my>;
Sent: Monday, February 28, 2005 11:08 AM
Subject: Re: LDAPADD command hangs

--On Monday, February 28, 2005 10:48 AM +0800 "Sivasakthi d/o Sivagnanam"
<sakthi@digicert.com.my> wrote:

> Dear all,
> Hope someone out there could help me here.
> Openldap was installed on LINUX with 256MRAM.
> A separate entity does an insertion using ldapadd to the openldap every
> millisecond.
> When the system went life, open to public....the ldapadd command just
> hangs there. The traffic was really huge hence disrupting new CRL updates
> and other insertion via ldapadd.
> What we've done is open the slave machine for public access so that the
> master openldap machine is dedicated for the insertion, hence not
> disrupting new data from being updated.
> Originally what we did was use host.deny and host.allow to control traffic
> but we realised external all our uses couldn't get in hence that was not
> the right solution. The above action seems to work. However, do you have
> any other ideas ?
> Also, the connection and query is taking a long time. How would one
> control the traffic to openldap ? Do we introduce load balancer ?
> Openldap only has 1 listener running I think, can one increase this so
> that it can manage multiple query ? How does it actually manage all these
> queries. Is it in a queue ? Max how many concurrent users could it manage
> ? Anyone could guide me how to improve the performance ? When I click on
> each DN, it takes a long time to actually populate the result but when it
> does it flows very quickly. The next time i do a refresh (am using
> Softerra LDAP Browser to view it), again it takes a long time before
> actually populating it.

I answered your last email, but it bounced at your host, so unless you've
fixed that, I suggest getting a working email address first.


Quanah Gibson-Mount
Principal Software Developer
ITSS/Shared Services
Stanford University
GnuPG Public Key: http://www.stanford.edu/~quanah/pgp.html

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