Re: write, then read delay with syncrepl/slapo-chain ?

[Pierangelo Masarati <ando@sys-net.it>]

Peter Mogensen wrote:

> I haev a quick question which I haven't been able to find an answer to
> in the docs:
> 
> I have a slapd master with a couple of slaves (syncrepl
> refreshAndPersist). I can get updates to be diverted to the master with
> the chain overlay, but as the FAQ says there'll be a small delay before
> the changes are replicated back to the slaves.
> Is there anyway to automatically direct subsequent reads of the changed
> attributes to the master?

Yes, there is: add the "don't use copy" control to the read request.  If
your client has write, then read requirements, using the chain overlay
to avoid dealing with referrals is definitely a bad idea.

p.



Ing. Pierangelo Masarati
OpenLDAP Core Team

SysNet s.r.l.
via Dossi, 8 - 27100 Pavia - ITALIA
http://www.sys-net.it
---------------------------------------
Office:  +39 02 23998309
Mobile:  +39 333 4963172
Email:   pierangelo.masarati@sys-net.it
---------------------------------------