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Date:      Thu, 29 Oct 2009 15:31:05 +0300
From:      alexs@ulgsm.ru
To:        Dewayne Geraghty <dewayne.geraghty@heuristicsystems.com.au>
Cc:        freebsd-stable@freebsd.org
Subject:   Re: openldap unstable on freebsd
Message-ID:  <20091029123105.GA74611@mail.ulgsm.ru>
In-Reply-To: <9345792F61634092B5DA5990B7529999@HS>
References:  <20091027082516.GA88892@mail.ulgsm.ru> <20091027085647.GT95002@e-Gitt.NET> <20091028055210.GA72197@mail.ulgsm.ru> <D259998DB6224A47B170D472B469CEE9@HS> <20091028101258.GA33200@mail.ulgsm.ru> <9345792F61634092B5DA5990B7529999@HS>

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* Dewayne Geraghty <dewayne.geraghty@heuristicsystems.com.au> [2009-10-29 10:39:22 +1100]:

> Alexs,
> Thank-you. You seem to be using a default setup from ports.  
> 
> If you are using the same configuration files for slapd.conf and
> /var/openldap-data/DB_CONFIG files on the three operating systems, and FreeBSD
> isn't working, I'm struggling to think of any load induced problems that it
> might be from the information provided. 
> 
> Rather than asking you a lot of questions, I think you need to rule out that
> disks can handle the load, that bdb is able to service the queries, and that
> the tools creating the ldap queries are using the same assumptions that the
> ldap server is using, etc. I think it unlikely, but I couldn't rule out a bad
> ldap query as a source of the problem.
I tryed put database on RAM drive (created by mdconfig -t malloc), fails
anyway.
All configs in defaults, inly indexes and some acls added.


> Review the "man slapd.conf" and determine the loglevel that you think
> appropriate, I'd suggest 2047 as a good start.
> /usr/local/libexec/slapd -d 2047 -4 -h ldapi://%2fvar%2frun%2fopenldap%2fldapi/
> ldap://alexs-ldap-server/

For geting crashes (for this mail only, real crashes needs to wait) I am use small
script via nss_ldap.

~]>cat test.sh 
#!/bin/sh
while true
 do id test > /dev/null
done

With 3 running scripts get fault in 30 seconds


http://pastebin.org/49205
http://pastebin.org/49211
http://pastebin.org/49213

So crashes in different places. I think need some another debuging.
I tried truss slapd process, but there different places too. 


> 
> Good luck, Dewayne.

-- 
Email: alexs@ulgsm.ru
Email/Jabber: alexs@ulgsm.ru



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