Re: Search failure during update

["Michel.Minsoul" <Michel.Minsoul@ulg.ac.be>]

On Tue, 29 Jan 2002, Pierangelo Masarati wrote:

> "Michel.Minsoul" wrote:
> > 
> > 
> > Platform        Openldap        LDBM            Binaries provider
> > 
> > AIX-4.3.3       2.0.11          gdbm-1.8        compiled myself
> > AIX-4.3.3       2.0.21          db-3.3.11       compiled myself
> > RedHat-7.2      2.0.21          db-3.2.9        compiled myself
> > RedHat-7.2      2.0.11          gdbm-1.8        rpm from RedHat dist
> > 
> > My test failed in all of the cases except in the last one (with the
> > openldap package provided by RedHat). In this case the lookup blocks
> > until the end of the update and then returns the entry correctly.
> 
> This may be not relevant, however I note that the most recent RedHat 
> packages are compiled --without-threads, so the success in the last 
> case may indicate there's a concurrency problem somewhere.
> 
> Ando.
> 
> -- 
> Dr. Pierangelo Masarati               | voice: +39 02 2399 8309
> Dip. Ing. Aerospaziale                | fax:   +39 02 2399 8334
> Politecnico di Milano                 |
> mailto:pierangelo.masarati@polimi.it
> via La Masa 34, 20156 Milano, Italy   |
> http://www.aero.polimi.it/~masarati
> 

Yes, it seems to me that there is a serious concurrency problem. Building
the package with  --without-threads is not an option for me because I
cannot afford to see small and fast search query being delayed by slow and
costly search query. 

-----
Michel