Hi all, damn i found the problem ... an earlier yum update has overwritten my self compiled slapd :(
Now everything is working as expected. Daniel > -----Ursprüngliche Nachricht----- > Von: Brian Reichert [mailto:[email protected]] > Gesendet: Freitag, 26. August 2016 18:18 > An: Daniel Betz <[email protected]> > Cc: [email protected] > Betreff: Re: openldap stops responding after some time > > On Thu, Aug 25, 2016 at 12:23:53PM +0000, Daniel Betz wrote: > > Hello list, > > > > i hope you can help me with my problem. > > > > To my setup: > > > > All servers are OpenLDAP 2.4.42 > > > > I have an master LDAP server, which replicates with standard syncrepl to an > consumer ldap. > > On this consumer ldap server i have configured an standalone slapd proxy > ldap with slapd-ldap which pushes changes to more than 6000 consumer > ldaps. > > > > There are more ldap proxys running, with each 500 consumers to reduce > startup time. > > > > The master and slave are connected via TCP, and the ldap proxys are on the > slave via socket. > > > > Everything works fine and changes are replicated in realtime to the > consumers behind the proxy, but after some time ( about 20 to 30 minutes ) > the slave ldap just hangs and isnt responding anymore. > > I'm not going to claim I had the same problem as you, but we had Java code > that messed up a connection pool, and from the view of our OpenLDAP > server, via strace we saw the process spinning on a wait on a file handle, and > that file handle process to be one controlled by that Java code. > > Until we cleaned up the Java code, our workaround was to introduce settings > like this in our slapd.conf file: > > idletimeout 30 > writetimeout 60 > > -- > Brian Reichert <[email protected]> > BSD admin/developer at large
