[Dovecot] LDAP auth load? (looking for advice)

[Gavin Henry]

<quote who="Gábor Lénárt">
> Hello,
>
> On Sat, Feb 17, 2007 at 08:51:00AM -0800, Troy Engel wrote:
> [...]
>> Mainly what has me concerned is that on the Dovecot machine, I'm getting
>> a number of entries in the messages that look like:
>>
>>   dovecot-auth: nss_ldap: reconnecting to LDAP server...
>>   dovecot-auth: nss_ldap: reconnected to LDAP server after 1 attempt(s)
>>
>> No failures ever, it all just works. But still this tickles my brain
>> that maybe it'll need more robustness come production time.
>
> By the way LDAP auth:
>
> We have serious problem with LDAP auth in Dovecot before rc18 or such:
> though it turned out it sould be an OpenLDAP problem instead (but we can't
> change the server).

What version of OpenLDAP and problem?

> I've got an own stretch test, which does quite large
> amount of POP3 sessions in paralell: before rc18 only after some seconds,
> some fault was occured and dovecot auth starts blocking further requests.
> I've tested rc22 some days ago: I can't detect a single failure anymore :)
>
> --
> - Gábor
>