[OpenAFS-devel] Re: What data from production environments could help OpenAFS development?

[Jason Edgecombe]

I thought that audit logging had a significant performance penalty.  
Besides that, I'm open to doing some recording for others (and myself) 
to benefit.

jason

On 08/22/2011 11:42 AM, Matt W. Benjamin wrote:
> Hi,
>
> Data from callback state dump and audit log would be of value to me.  We would like to develop empirical information about callback breaks, callback re-registration, and related.
>
> Matt
>
> ----- "Andrew Deason"<adeason@sinenomine.net>  wrote:
>
>> On Sun, 21 Aug 2011 11:17:26 -0400
>> Jason Edgecombe<jason@rampaginggeek.com>  wrote:
>>
>>> I was wondering. What data from production environments would be
>> helpful
>>> for the OpenAFS developers?
>> I'm pretty sure at least Tom would be interested in the xstat data
>> (xstat_cm_test, xstat_fs_test). You can run them pretty often with
>> almost no impact (as in, on the order of once every few seconds), and
>> the xstat data will actually show how little impact the calls make.
>>
>> Just storing the output of the commands is pretty inefficient, though.
>> I
>> believe Tom was going to release some tooling soon for (among other
>> things) recording and storing that data over time.
>>
>> -- 
>> Andrew Deason
>> adeason@sinenomine.net
>>
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