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RE: ldap crashing once under load

To: <openldap-technical@openldap.org>
Subject: RE: ldap crashing once under load
From: "Francis, Steve (IHG)" <Steve.Francis@ihg.com>
Date: Wed, 1 Dec 2010 01:00:41 -0500
Content-class: urn:content-classes:message
In-reply-to: <A4E3A6BD229218498A76825B1130D1250133F9BCE3@HNATLD1SVREXG09.Amer.corp.local>
References: <A4E3A6BD229218498A76825B1130D1250133F9BCE3@HNATLD1SVREXG09.Amer.corp.local>
Thread-index: AcuRHJwJ1qotlPrpSw2f/dRnsTuO3QAAEnjg
Thread-topic: ldap crashing once under load

I see this in the config via : ldapsearch -Y external -H ldapi:/// -b cn=config

olcRootDN: cn=Admin,o=SAH
olcRootPW: {SSHA}VIYAj8/mu1iPhyrClvWqRUKJFrhZRFdKSQ==
olcDbCacheSize: 10000
olcDbCheckpoint: 1024 5
olcDbConfig: {0}set_cachesize 0 15000000 1
olcDbConfig: {1}set_lg_regionmax 262144
olcDbConfig: {2}set_lg_bsize 2097152
olcDbConfig: {3}set_flags DB_LOG_AUTOREMOVE
olcDbIDLcacheSize: 30000

Do these need to be adjusted?

Thanks,

Steve Francis

Technical Advisor - zSeries, zLinux, z/OS

IHG

Alpharetta Data Center

Ph: 770-442-7157

Cell: 770-906-3122

IM: francisihg

"Life's tough...It's even tougher if you're stupid!!" John Wayne

From: Francis, Steve (IHG)
Sent: Wednesday, December 01, 2010 12:57 AM
To: openldap-technical@openldap.org
Subject: ldap crashing once under load

hello, I just recently migrated an exsiting app that uses an LDAP server on z/OS with no issues, to a SLES 11.1 server on a z10 processor using OpenLdap, and get the following error.

Nov 30 23:15:50 adczlnxldapp1 slapd[15854]: slapd starting
Nov 30 23:25:39 adczlnxldapp1 slapd[15854]: ch_malloc of 16777216 bytes failed

I have at least 1gb memory assigned to the linux instance. Is there something I can do to correct this. I have temporarily pointed the app to use the z/OS LDAP server and all is fine....Our intent is to completely move this to zLinux and get off the z/OS LDAP server.