[email protected] wrote: > Full_Name: Mark Cairney > Version: 2.4.35-RE24 > OS: SL 6.4 64-bit > URL: ftp://ftp.openldap.org/incoming/ > Submission from: (NULL) (129.215.200.23) > > > Having migrated the database of our production service running 2.4.35 from BDB > to MDB alias de-referencing stopped working completely (this has already been > reported in ITS# 7557). > > Upgrading to the RE 24 now has alias derefencing working but it is > considerably > slower than BDB was for the same search. > > To confirm this I downgraded one of our nodes (we run 4 nodes in multi-master) > and on that node the search results are once more acceptable: > > With MDB: > time ldapsearch -H ldaps://alder.authorise.is.ed.ac.uk:636 -b > 'ou=staff,ou=law,ou=hss,dc=authorise,dc=ed,dc=ac,dc=uk' -a always > "(&(eduniSchoolCode=S26)(eduniCategory=101)(eduniIDStatus=300))" > > # numResponses: 425 > # numEntries: 424 > > real 0m26.490s > user 0m0.028s > sys 0m0.032s > > > with BDB: > > time ldapsearch -H ldaps://oak.authorise.is.ed.ac.uk:636 -b > 'ou=staff,ou=law,ou=hss,dc=authorise,dc=ed,dc=ac,dc=uk' -a always > "(&(eduniSchoolCode=S26)(eduniCategory=101)(eduniIDStatus=300))" > > real 0m2.605s > user 0m0.054s > sys 0m0.006s > > If there's anything additional I can supply (log files, strace output) let me > know. > > Our OpenLDAP DB currently has around 400,000 user accounts if that's relevant.
How many aliases? -- -- Howard Chu CTO, Symas Corp. http://www.symas.com Director, Highland Sun http://highlandsun.com/hyc/ Chief Architect, OpenLDAP http://www.openldap.org/project/
