Re: ldapsearch performance debugging

[Howard Chu <hyc@symas.com>]

Chris Hane wrote:
> When I execute the following command:
>
> ldapsearch -v -x -b "dc=abmas,dc=biz" -d 5 -h 127.0.0.1
>
> there is a significant lag between hitting return and when I see the 
> debug output - 6-8 seconds.
>
> I'm pretty sure this is a configuration problem or network problem on my 
> end as this same command in a different environment executes immediately.
>
> To help me isolate where the problem is, is there another method to 
> debug what ldapsearch is doing before I see the first lines listed in 
> the debug output with -d 5?  Or is there another utility I could use 
> than ldapsearch?

Try using strace and see what system calls get executed and where the 
delay is. Alternatively you could try running ldapsearch under gdb and 
interrupting it to get a stack trace from where the delay occurs.

--
  -- Howard Chu
  Chief Architect, Symas Corp.  http://www.symas.com
  Director, Highland Sun        http://highlandsun.com/hyc
  OpenLDAP Core Team            http://www.openldap.org/project/