Columnar databases

2015-07-11 Thread Kristoffer Sjögren
Hi I'm doing some experiments with LMDB trying to emulate a columnar storage database using roaring bitmaps and other tricks. The initial results are promising, but I ask myself, is a row based storage like LMDB appropriate for implementing a columnar database or are there better, more efficient

MODRDN with same RDN and delold: 0 and slapo-constraint

2015-07-11 Thread Michael Ströder
HI! When bulk-renaming entries in web2ldap I do *not* alter the RDN of the entry but also send delold: 0 in the MODRDN operation. IMO this is most minimal invasive approach. This works ok in most setups. But in a more strict setup (release 2.4.41) with slapo-constraint and constraints on the RDN

LDIF modify in a replication server

2015-07-11 Thread mdii
Hi all, I'm trying to do a LDIF import (via Apache Directory Studio) after a replication issue. The goal is to correct a replication error. The problem is that when I try to import the LDIF file, I'm receiving the following error : > #!ERROR [LDAP: error code 53 - shadow context; no update refer

Crash while aborting connection on timeout...

2015-07-11 Thread Emilio Pombo
Hi everyone! I'm working on a project using openLDAP C API (version 2.4.36) in a asynchronous way. Everything works quite well after two years of development cycles and product evolution. Since a year ago we have a few clients successfully running our LDAP module on their servers. Recently I've r