Am Thu, 24 Feb 2011 15:53:43 +0100 schrieb <[email protected]>:
> Hi, > > we had some performance issues on our ldap servers running Solaris 10 > sparc. > > I did some tests using slamd http://www.slamd.com/ and got disturbing > results: > > ldap-service: OpenLDAP 2.4.23, setup identical on both boxes, > threads=64, identical content. > > box1: > hardware: Sun Microsystems sun4v SPARC Enterprise T5120 > memory:32 GB RAM > os: Solaris 10 s10s_u9wos_14a > searches (avg/second): 1521 > > box2: > hardware: AMD 64 phenom 9850 > memory: 8 GB RAM > os: Linux dsv00000 2.6.36.2 #1 SMP Mon Dec 27 10:09:29 CET 2010 > x86_64 AMD Phenom(tm) 9850 Quad-Core Processor AuthenticAMD GNU/Linux > searches (avg/second): 22968 > > I am looking for some hints to improve performance on box1 to a > similar level as on box2 or an explanation why on box1 performance is > so bad. > > As slapd.conf, ldap.conf and DB_CONFIG are identical there should not > be such a big gap in performance. It is hard to guess, as you didn't provide any build information, but /dev/poll vs. libpthread and no. of IO's might be a hint. -Dieter -- Dieter Klünter | Systemberatung sip: [email protected] http://www.dpunkt.de/buecher/2104.html GPG Key ID:8EF7B6C6
