Re: (ITS#4347) ldap hang for update

[li@research.att.com]

Hi Pierangelo,

thanks for your help. Please see below..

Li

Pierangelo Masarati wrote:

> On Tue, 2006-01-17 at 21:48 +0000, li@research.att.com wrote:
>  
>
> > Full_Name: Li Su
> > Version: 3.0
> >    
>
> There is no version 3.0 (AFAIK); current version is 2.3.


Somehow in config it saids LDAPv3.
The slapd or ldapsearch, ldapmodify I'm using is version 2.2.13

>  
>
> > OS: linux
> > URL: ftp://ftp.openldap.org/incoming/
> > Submission from: (NULL) (135.207.28.218)
> >
> >
> >
> > When I do ldapsearch on a big objectclass which has about 6000 entires,
> >    
>
> An objectClass cannot have 6000 entries; the objectClass is an attribute
> of each entry.  Of course, 6000 entries can have the same objectClass.
> Is this what you mean?  I suggest you try to explain your problem mking
> sure you use appropriate terms, especially when they have a clearly
> defined meaning in the X500/LDAP data model.
>  
You are right.  The 6000 entries have the same objectClass.

>  
>
> > it
> > blocks
> > the update or add to any objectclass.
> >    
>
> Sounds like you're using the LDBM backend, and hitting the giant lock
> issue.  If this is the case, then it's working as intended.  I'd note
> that it's unlikely you can use the LDBM with OpenLDAP 3.0 (if there'll
> ever be one) because LDBM is deprecated since OpenLDAP 2.2, I believe,
> and will disappear from OpenLDAP with version 2.4.

Basic scenario is:
When I search on ldap with the command,
ldapsearch -x -p port -h host -b base objectClass=myclass | more

Then the following command is blocked:
ldapmodify -x -p port -h host -D dn -W -f  file

>  
>
> > Is this to do with config file? How to fix?
> >    
>
> Use back-bdb or back-hdb, if you're using back-ldbm; otherwise clarify
> your problem.  Since up to now you didn't bring any evidence of a bug in
> OpenLDAP software, I suggest we continue this discussion on the
> openldap-software mailing list.  This ITS will be closed.
>
> p.
>
>
>
>
> Ing. Pierangelo Masarati
> Responsabile Open Solution
> OpenLDAP Core Team
>
> SysNet s.n.c.
> Via Dossi, 8 - 27100 Pavia - ITALIA
> http://www.sys-net.it
> ------------------------------------------
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> Email:    pierangelo.masarati@sys-net.it
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>