Nginx health checks

Barry Abrahamson barry at
Wed Jun 11 18:15:54 MSD 2008

On Jun 11, 2008, at 3:52 AM, Aleksandar Lazic wrote:
>> The origin servers for this stuff are currently running lighttpd, but
>> I will probably switch them to nginx at some point.  The images and
>> movies are currently served through php with some caching in front
>> courtesy of Varnish.
> Do you know about X-Accel-Redirect

Yep, but this doesn't work for us because the content is not local   
(usually it is on S3, but sometimes it is elsewhere).  What would be  
neat was if Nginx supported Perlbal-style internal redirects.  From

	• Big one for us; a backend can instruct Perlbal to fetch the user's  
data from a completely separate server and port and URL, 100%  
transparent to the user
	• Can actually give Perlbal a list of URLs to try. Perlbal will find  
one that's alive. Again, the end user sees no redirects happening.
Barry Abrahamson | Systems Wrangler | Automattic

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