[Dovecot] 1.0.rc13 released

[Steffen Kaiser]

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On Mon, 13 Nov 2006, Gábor Lénárt wrote:

> Nov 13 08:24:14 sn0 dovecot: auth(default): ldap(user,127.0.0.1): bind search: base=dc=example,dc=com filter=(&(objectclass=mailuser)(inetuserstatus=active)(mail=user))
> Nov 13 08:24:14 sn0 slapd[3925]: connection_input: conn=303725 deferring operation: pending operations

> The trick - as you have also guessed - that it reconnects each time. So for me it would be also good, that dovecot
> would be able to reconnect each time ...

We have lots of trouble with OpenLDAP under heavy load. After 
trial-and-error I do now:

+ unbind() when I do not intend to use the LDAP connection in the script 
anymore, e.g. after authentification is done and the data has been read 
(LDAP retrieval done),
+ re- bind() when I start a new LDAP retrieval (most often, an anonymous 
bind in order to find the user logging in),
+ when bind() or the first the search fails with "pending blah blah" or 
"unwilling to perform", I drop the LDAP connection and reconnect, then 
bind() and, eventually, search again.

None of this is necessary by the API as I understand it, but now the 
scripts almost never fail for LDAP errors.

To reconnect to the LDAP server each time is an huge performace killer in 
my envrionment. I would have expected in any environment?!

Bye,

- -- 
Steffen Kaiser
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