Re: SIP Tracing Facility

Dale Worley wrote:
> Not really, because log files slice the universe of data the wrong way.

Not as much wrong as different; i.e., log files slice the universe of
data a different way.

> A log file tells everything that happens at a particular element, almost
> all of which is irrelevant regarding a particular transaction.

Depends.  If that element is misbehaving -- either through flawed source
code or because of external influences -- the state of a transaction
preserved in a log file from the point of that element is of extreme
interest for analysis.

However, as you note, log files do not help in dynamic tracing
of the transaction across a set of elements.

- vijay
-- 
Vijay K. Gurbani, Bell Laboratories, Alcatel-Lucent
1960 Lucent Lane, Rm. 9C-533, Naperville, Illinois 60566 (USA)
Email: vkg@{alcatel-lucent.com,bell-labs.com,acm.org}
WWW:   http://www.alcatel-lucent.com/bell-labs
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