Breaking content generation phase into multiple phases or adding custom events in content phase

[Jeff Kaufman]

On Mon, Jun 22, 2015 at 2:17 AM, Kaustubh Deorukhkar
<kaustubh.deo at gmail.com> wrote:
> @Jeff regarding using pipes to trigger event, does it create one pipe per
> request or just one pipe.

ngx_pagespeed originally used a pipe per request, which was simpler,
but then switched to one pipe for everything for efficiency.

Here's the commit where we switched between them, which should be good
for understanding how the two work:
https://github.com/pagespeed/ngx_pagespeed/pull/876/files