How To Perform Post-Request Async Processing

Per Buer perbu at
Sun Jan 30 18:54:55 CET 2011

On Sun, Jan 30, 2011 at 6:02 PM, Russell Fine <rfine at> wrote:
> However after the request occurs, I want to perform some specialized
> logging and perhaps transforms/analyses.  These actions may take a
> couple of seconds and I don't want the client response to wait.  One
> option is to just read and continuously parse the log files, but that
> seems inelegant.

I think would be an excellent way of doing such operations. Just make
a specialized version of varnishlog to suit your needs.

> 1 - Can Varnish perform any post-processing on a request after
> returning the response?


Per Buer, Varnish Software
Phone: +47 21 98 92 61 / Mobile: +47 958 39 117 / Skype: per.buer
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