unique request ids

AD straightflush at gmail.com
Wed Nov 2 20:54:09 CET 2011

we do something similar.  My suggestion,

 md5(logentry + currentTimeInMilliseconds) as your key as you loop through
the logfile

On Wed, Nov 2, 2011 at 3:03 PM, Mit Rowe <mit at stagename.com> wrote:

> Hello!
> For many reasons (QA, performance analytics, etc) we log all of our proxy
> traffic into a database.
> We do this with varnish by collecting a text log via varnishncsa -F and a
> CSV formatted string, and regularly run a batch process that inserts this
> CSV data into a database.
> I was wondering... does varnish internally generate a reliably random
> unique value for each request (similar to mod_unique_id in apache or a
> uuid/guid), and if so is there a way that i can write it out to my logs,
> perhaps via an insertion into a request header and using the %{HEADER}i
> macro in varnishncsa?
> -Mit
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