[Pacemaker] [Problem]Cib cannot update an attribute by 16 node constitution.

Andrew Beekhof andrew at beekhof.net
Thu Aug 5 05:40:01 EDT 2010


2010/8/5 nozawat <nozawat at gmail.com>:
> Hi Andrew,
>
>  I took oprofile of 120 seconds before Time-out occurs.
>  However, sorted_xml function seems not to be called it so much as far as I
> watch log of Oprofile.

I suspect you're misinterpreting the results.
The number of calls isn't nearly as important as how much time is
spent in that function.

Could you attach the CIB your cluster was using so I can have a go?

>
>  I took Oprofile by a sample program.
>  But, the contents of Oprofile did not agree with the contents of the sample
> program.
>  Therefore I used systemtap because I was not able to do internal bottleneck
> analysis from information of this Oprofile.

Ah, I wondered where you go the data from.
Could you share how you used systemtap for this?




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