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Re: (ITS#6174) Permanent high CPU Load with Multimaster
- To: openldap-its@OpenLDAP.org
- Subject: Re: (ITS#6174) Permanent high CPU Load with Multimaster
- From: firstname.lastname@example.org
- Date: Tue, 23 Jun 2009 00:11:55 GMT
- Auto-submitted: auto-generated (OpenLDAP-ITS)
> Full_Name: Frank Offermanns
> Version: 2.4.16
> OS: Windows XP/Ubuntu 9.04
> URL: ftp://ftp.openldap.org/incoming/
> Submission from: (NULL) (188.8.131.52)
> Hello everyone,
> I compiled the LDAP Version 2.4.16 from CVS at 16 June with MINGW/MSYS on
> Windows. I used the latest version because every previous 2.4.16 version had
> similar problems.
There is no "latest 2.4.16" version. There is only one release with version
number 2.4.16, whether you got it from CVS or from the web site.
> I have two systems working together as multimasters. After a random time (less
> than a day) it can happen, that a core of a CPU uses 100 % CPU Load. Both System
> seems to be working correctly, but the High CPU Load slows down everything.
> No matter how long i wait, this core stays at 100 % CPU load.
> On another test a test write operation never returned and I also had the high
> CPU load. After i killed my test write process, the slapd.exe crashed. (The
> write procees was on a another PC)
Use gdb to get traces of the active threads when the 100% CPU situation
occurs. Likewise, use gdb to get traces when slapd crashes.
-- Howard Chu
CTO, Symas Corp. http://www.symas.com
Director, Highland Sun http://highlandsun.com/hyc/
Chief Architect, OpenLDAP http://www.openldap.org/project/