Re: OpenLDAP 2.0.7 problems with binds (ITS#988)

[I.C.Smith@liverpool.ac.uk]

I was using gcc 2.xx. OS was Solaris 2.6, openLDAP version 2.0.7.

(H/W: Sun ultra 250, 512 MB RAM - didn't wait around for the inevitable 
core dump)

-ian.

--On Thursday, January 25, 2001 11:51 AM -0800 Mike Donnelly 
<donnelly@sendmail.com> wrote:

> I compiled my version under Solaris 8, with gcc 2.xxx, which I've been
> told *might* have a problem regarding memory leaks.
>
> Does anyone know if this is true?
>
> I'm interested to see if anyone has compiled 2.0.7 using cc instead, and
> whether it has the same issue.
>
> "Dr. Ian C. Smith" wrote:
>
>> I'd be very interested to hear if anyone else has had similar problems
>> and even more interested to hear of any solutions. I performed a similar
>> experiment and the server seemed to be leaking huge amounts of memory -
>> around 2 MB per 1000 binds (anonymous or simply authenticated) wasn't
>> being freed. It seemed to keep rising linearly up to 50k binds -- 115 MB
>> of RAM gone !
>>
>> regards,
>>
>> -ian.
>>
>> ----------------------------------------------
>> Ian C. Smith,
>> e-mail: i.c.smith@liverpool.ac.uk
>> Address: Computer Sevices Department,
>>          Brownlow Hill Building - room G11,
>>          The University of Liverpool,
>>          Liverpool L69 3BX.
>> --On Wednesday, January 24, 2001 8:03 PM +0000 donnelly@ldapman.org
>> wrote:
>>
>> > Full_Name: Michael Donnelly
>> > Version: 2.0.7
>> > OS: Solaris 8
>> > URL: ftp://ftp.openldap.org/incoming/
>> > Submission from: (NULL) (63.211.143.38)
>> >
>> >
>> > I've noticed that using OpenLDAP 2.0.7, the closing of an LDAP
>> > connection does not
>> > seem to free all the resources used during that connection.
>> >
>> > For example, bind (as a user) and immedaitely close the connection.
>> > (password verification is one reason you might do this.)  Now repeat
>> > this 50,000 times.
>> >
>> > You'll see the amount of RAM used steadily increase, until eventually
>> > slapd will
>> >
>> > core dump.   On my system, a Sun E250 with 2 CPUs and 1GB of ram, I get
>> > about 700K
>> > connections before the server drops dead.
>