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How to disable output buffering with PHP and nginx

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File Name File Size   Posted by Date  
nginx.conf 2.7 KB open | download B.R. 10/07/2013 Read message
test.php 77 bytes open | download B.R. 10/07/2013 Read message
php.ini 67.3 KB open | download B.R. 10/07/2013 Read message
nginx_php_backend.pcapng 5.5 KB open | download B.R. 10/07/2013 Read message
Ben Johnson
September 16, 2013 01:22PM
Hello,

In an effort to resolve a different issue, I am trying to confirm that
my stack is capable of servicing at least two simultaneous requests for
a given PHP script.

In an effort to confirm this, I have written a simple PHP script that
runs for a specified period of time and outputs the number of seconds
elapsed since the script was started.

-----------------------------------------------
<?php

$start = time();

echo 'Starting concurrency test. Seconds elapsed:' . PHP_EOL;
flush();

$elapsed = time() - $start;

echo $elapsed . PHP_EOL;
flush();

while ($elapsed < 60) {
echo time() - $start . PHP_EOL;
flush();

sleep(5);

$elapsed = time() - $start;
}

echo time() - $start . PHP_EOL;
flush();

-----------------------------------------------

For whatever reason, nginx *always* buffers the output, even when I set

output_buffering = off

in the effective php.ini, *and* I set

fastcgi_keep_conn on;

in my nginx.conf.

Of course, when I request the script via the command-line (php -f), the
output is not buffered.

Is it possible to disable PHP output buffering completely in nginx?

Thanks for any help!

-Ben

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Subject Author Posted

How to disable output buffering with PHP and nginx

Ben Johnson September 16, 2013 01:22PM

Re: How to disable output buffering with PHP and nginx

Ben Johnson October 07, 2013 03:24PM

Re: How to disable output buffering with PHP and nginx

itpp2012 October 07, 2013 04:25PM

Re: How to disable output buffering with PHP and nginx

Francis Daly October 07, 2013 05:36PM

Re: How to disable output buffering with PHP and nginx

B.R. October 07, 2013 06:00PM

Re: How to disable output buffering with PHP and nginx

Maxim Dounin October 07, 2013 07:20PM

Re: How to disable output buffering with PHP and nginx Attachments

B.R. October 07, 2013 11:00PM

Re: How to disable output buffering with PHP and nginx

Maxim Dounin October 08, 2013 11:50AM

Re: How to disable output buffering with PHP and nginx

Ben Johnson October 10, 2013 11:14AM

Re: How to disable output buffering with PHP and nginx

Maxim Dounin October 10, 2013 11:28AM

Re: How to disable output buffering with PHP and nginx

Ben Johnson October 10, 2013 12:50PM

Re: How to disable output buffering with PHP and nginx

itpp2012 October 10, 2013 01:35PM

Re: How to disable output buffering with PHP and nginx

Maxim Dounin October 10, 2013 02:26PM

Re: How to disable output buffering with PHP and nginx

Ben Johnson October 12, 2013 04:40PM



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