Hello!

On Thu, Jun 18, 2015 at 7:06 PM, Jeff Kaufman wrote:
> ngx_pagespeed does this by giving nginx a pipe to watch, setting up a
> handler for that pipe, calling an async api that uses threads, then
> the from the callback writing a byte to the pipe. Now when the async
> code finishes we're back on the nginx event loop in the pipe's
> handler.
>

Extra OS threads add their own complexity and overhead (killing C10K,
for example), which I think we should avoid wherever we can (well,
disk I/O cannot be nonblocking and we should only use thread pools for
that).

Well, just my 2 cents.

Regards,
-agentzh

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