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R: slapd process needs a restart


thanks for your email.

We're thinking of upgrading both products, but we would like to know if
we have to consider other things: 

- we have developed a client using openldap api: do we have to update
something or just recompile?

- do the actual bdb files are compatible with new openldap and Berkley
db release?

Thanks again.

Ciao, Roberto

-----Messaggio originale-----
Da: Quanah Gibson-Mount [mailto:quanah@stanford.edu] 
Inviato: Tuesday, January 25, 2005 10:17 PM
A: Roberto Balducci; OpenLDAP-software@OpenLDAP.org
Oggetto: Re: slapd process needs a restart

--On Tuesday, January 25, 2005 3:42 PM +0200 Roberto Balducci 
<roberto.balducci@proconsul-it.it> wrote:

> Hi,
> we're having a problem with our openldap installation.
> Our software release are:
>    - db-4.1.25.NC
>    - openldap-2.1.23
> and are installed on an alpha ds10 with TRU64 5.1A operating system.
> Our db has about 4300000 entries and the id2entry.bdb file is about
> gb.
> We had some performance problem, so we had installed another 1 gb of
> and better tuned the slapd, updating the slapd.conf and DB_CONFIG
> we set cachesize slapd.conf's attribute to 3000000 and the
> DB_CONFIG's attribute to 1 52428800 1; we had also updated the kernel
> related attributes.
> Now slapd is faster and it has performance as we need, but after 3
> of work, even if it's running and seems to be working fine, it doesn't
> accept any new connections or become very slowly, and we do not have
> other things that to restart it.
> From system point of view, nothing seems strange, socket are all
> established, but running the netstat -an | grep 389 command more
> we see that the number of bytes in either receive and send queue, do
> change.
> In this scenario, if we start ldapsearch, it takes 15 minutes, to
> retrieve information.
> The ordinary work is to answer to thousands ldap query request per day
> and to add about 15000 entries per day.
> Any suggestion will be very appreciate.

I would suggest upgrading both OL and BDB.  At the least, upgrade OL to 
OL-2.1.30.  OL-2.1.23, and many many bugs were fixed between the 2.1.23 
release and 2.1.30 release.  I'd highly advise moving to OL 2.2.23,
the DOS vulnerability in all OL 2.1 releases & OL 2.2 releases that are 
less then 2.2.23.

For BDB, BDB-4.2.52 (plus patches) is a more stable platform than
and has better performance as well, in tests that I did for the OL 2.1
a long long time ago.


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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