RE: LDBM or BDB ?

["Kent L. Nasveschuk" <kent@wareham.k12.ma.us>]

I'm going to take Ignacio's advice and stay with ldbm for a while. By
routinely dumping the database to a text file, if I experience major
problem I can delete the db and start from scratch. I guess I just don't
have enough users at this point to switch.


On Wed, 2004-01-07 at 03:44, Voglmaier, Reinhard Erich wrote:
> I'm also planning to work on this subject, since I'm very interested in
> performance questions:
> Someone out that has a schema of how to test LDAP performance ?
> There is a program written in Perl that tests the performance of a web
> server generating a number of paralell requests. I thought to do a similar
> thing for LDAP servers. I think however that in our case the situation is
> slightly different caused by the update process that has a big impact on
> performance and consistency of the database. I have also made experience
> with BDB and database corruption questions. I've seen that a LDAP repository
> should be exported and reimported from time to time in order to remain
> consistent.
> 
> -----Original Message-----
> From: Kent L. Nasveschuk [mailto:kent@wareham.k12.ma.us] 
> Sent: sabato 3 gennaio 2004 12.53
> To: Ignacio Coupeau
> Cc: OPENLDAP
> Subject: Re: LDBM or BDB ?
> 
> 
> Thank you. There is not much out there written on this subject. I'm sure
> others starting out with LDAP can benefit this also. 
> 
> 
> 
> On Fri, 2004-01-02 at 07:07, Ignacio Coupeau wrote:
> > Kent L. Nasveschuk wrote:
> > 
> > > Can anyone give me some reasons to switch from ldbm to Berkeley bdb 
> > > for LDAP backend? I had such problems getting LDAP to compile with 
> > > BDB that I gave up on it until recently. Now I don't know if it is 
> > > worth the effort to recompile all databases to BDB or leave as is. I 
> > > have roughly 2000 accounts 3 slave LDAP directories and 1 master. 
> > > These are used primarily for Samba authentication.
> > 
> > I recommend you stay a while with ldbm; samba wrotes very few in the
> > ldap, so the ldbm may be OK (we have about +29.000 accounts and runs as 
> > a charm).
> > The DBD requires a careful tunning, and may be a pain if you don't have 
> > some experience (look the list :).
> > 
> > Ignacio
-- 
Kent
nasve525@regis.edu
kent@wareham.k12.ma.us

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