Hello, I currently have several problems with MMR with lots of modification of data made in the Ldap : - ITS 7830 (http://www.openldap.org/its/index.cgi/Incoming?id=7830;selectid=7830) --> MDB_MAP_FULL with lots of modifications and read access - http://www.openldap.org/lists/openldap-technical/201408/msg00152.html --> Pb with Modify in big groups. I reproduce in MDB but not in hdb (perhaps is it a problem with the OS and the management of its memory) - http://www.openldap.org/lists/openldap-technical/201409/msg00165.html --> Delay with ADD and DEL synchronisation with at the end no DEL on the replica - http://www.openldap.org/lists/openldap-technical/201409/msg00171.html --> Full sync of an empty ldap with a full ldap - modified entry on the full ldap are not replicated on the empty (greater than snapshot)
I cannot for the moment test with 2.4.40 but i'll try it soon. -----Message d'origine----- De : openldap-technical [mailto:[email protected]] De la part de Quanah Gibson-Mount Envoyé : lundi 20 octobre 2014 21:34 À : Леонид Юрьев Cc : [email protected] Objet : Re: Synchronizing two mirror mode clusters --On Saturday, October 18, 2014 9:11 PM +0400 Леонид Юрьев <[email protected]> wrote: > Sorry, but currently I strongly not recommended multi-master. > We have a big troubles in the same case, but most high load. > > I am currently working on the two major issues: > - syncrepl seems unreliable, survives no more than 3-5 min under a > stress test (ITS#7968). > - fix of ITS#7904 does not affect syncrepl, thereby MDB_MAP_FULL may > occur in case of LMDB backed (no ITS now). > > But another couple seem be forever: > - replication is significantly slowdown if are more than 3 nodes. > - replication may never be completed until all ldap-write activities > are stopped. Test cases? ITS reports? Also, I personally use delta-syncrepl vs straight syncrepl. --Quanah -- Quanah Gibson-Mount Server Architect Zimbra, Inc. -------------------- Zimbra :: the leader in open source messaging and collaboration
