Re: Scaling replicas

[Alister Winfield <alister.winfield@uk.easynet.net>]

On Sat, 2002-11-16 at 03:28, Quanah Gibson-Mount wrote:
> Hello,
> 
> Has anyone seen any scaling issues with OpenLDAP -- i.e., if you have a 
> single master, is there any sort of performance/replication slowdown 
> noticed as you increase the number of replicas?  Do people have a master 
> with 10 replicas? 20? 30? 50 or more?  Any issues noticed with a large 
> number of replicas?
> 
> Thanks,
> Quanah
> 
> 
> --
> Quanah Gibson-Mount
> Senior Systems Administrator
> ITSS/TSS/Computing Systems
> Stanford University
> GnuPG Public Key: http://www.stanford.edu/~quanah/pgp.html
> 

I suppose this should be reported but .... under load slurpd has in the
past lost updates for me. This has always happened when there are > ~10
slaves and higher than average update rate say >1 change a second.
Anyone else seen this ? Its very hard to replicate as its random and as
such I haven't ever found any hard proof as to why it happened. The most
important symptom was that the change never even got attempted according
to the logs on the affected slaves.

--
Alister Winfield - Easynet Systems Developer.