Re: High cpu utilizaton by slapd

[Richard Megginson <rmeggins@xxxxxxxxxx>]

Bliss, Aaron wrote:
> Replication logging:
> Is this the "Enable Changelog" checkbox?  It's currently enabled; does
> this need to be enabled?  Thanks again.
>   
No, not the changelog.  
http://directory.fedora.redhat.com/wiki/FAQ#Troubleshooting
> Aaron
>
> -----Original Message-----
> From: fedora-directory-users-bounces@xxxxxxxxxx
> [mailto:fedora-directory-users-bounces@xxxxxxxxxx] On Behalf Of Richard
> Megginson
> Sent: Monday, August 07, 2006 3:06 PM
> To: General discussion list for the Fedora Directory server project.
> Subject: Re:  High cpu utilizaton by slapd
>
> Bliss, Aaron wrote:
>   
> > Hi everyone,
> > I'm running fds on 2 servers, a supplier and consumer, both are
> >     
> running
>   
> > redhat ES 4; I noticed today and for the last few days that the
> >     
> supplier
>   
> > directory server is running very, very slow, top reveals that ns-slapd
> > is killing the cpu; these are running on server class hardware,
> >     
> roughly
>   
> > 1.5 GHZ hp proliant servers; the consumer directory server cpu
> > utilization is almost 0 (99 % idol); I don't really know how to being
> >     
> to
>   
> > troubleshoot this problem; I've seen similar issues on oracle database
> > servers when database indexes were corrupt and had to be
> >     
> rebuilt....Any
>   
> > ideas as to how to begin to troubleshoot this?  Thanks very much.
> >
> > 1806 ldap      15   0  517m  33m  14m S 90.6  3.3   4:56.21 ns-slapd
> >   
> >     
> Do you have a lot of delete operations?  It could be that the tombstone 
> reaping thread is working overtime.  You can turn on replication logging
>
> and look for tombstone messages.
>   
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