Re: slapadd and attribute value length limit

[Jon Roberts <jon@jonanddeb.net>]

Howard Chu wrote:
> Jon Roberts wrote:
> > Would I need this many 
> > locks/lockers in a runtime scenario, or should I comment out those as 
> > well?
> slapadd stores entries one at a time in the database, and back-bdb 
> basically uses one transaction per entry. Within this one transaction, 
> it will acquire locks for the entry itself and all of the indexing 
> records that are needed to write the entry. If your indexing has 
> generated so many records that you exhausted the default of 1000 locks, 
> then I expect you will need many more locks in a runtime scenario. Of 
> course, this assumes that you're adding/modifying entries like this at 
> runtime. I.e., if it takes over 1000 locks to write just one entry, and 
> if you have the possibility of writing two or more entries at runtime, 
> then you will need far more locks at runtime.

I don't expect anybody to be adding verses to the gospel books ;), but 
if I do something similar with updatable data, it will be good to know. 
I generally avoid indexing longer attributes in OpenLDAP.

> I strongly doubt that you needed to raise the max_lockers.

I'll try without next time. Thank you so much for your help.

Jon Roberts
www.mentata.com