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aio breaks spdy

Richard Kearsley
August 15, 2014 06:38PM
Hi
I have been tracing an issue for the past couple of days and have
narrowed down the case to when spdy is being used with aio
Testing using a 1GB file download in chrome and firefox, http and https
download as normal
using spdy, only the first ~250k is downloaded and then a wait of
exactly 60 seconds between subsequent bursts of ~250k
turning 'aio off;' fixes the problem and spdy can download at the normal
speed

I hope someone can investigate this further
Configuration details are below, if any more information is needed
please let me know

Many thanks
Richard

FreeBSD 9.2

OpenSSL 1.0.1i 6 Aug 2014

nginx version: nginx/1.7.4 built by gcc 4.2.1 20070831 patched [FreeBSD]
TLS SNI support enabled configure arguments: --with-debug
--with-http_ssl_module --with-http_spdy_module --with-file-aio
also tried nginx/1.6.0

nginx.conf:

worker_processes 1;

events {
worker_connections 1024;
}

http {
include mime.types;

aio on;

ssl_certificate default.cer;
ssl_certificate_key default.key;

server {
listen 80;
listen 443 ssl spdy;

location / {
root /data;
index index.html index.htm;
}
}
}





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Subject Author Posted

aio breaks spdy

Richard Kearsley August 15, 2014 06:38PM

Re: aio breaks spdy

Valentin V. Bartenev August 15, 2014 07:02PM

Re: aio breaks spdy

Richard Kearsley August 15, 2014 07:30PM

Re: aio breaks spdy

Valentin V. Bartenev August 16, 2014 05:20PM

Re: aio breaks spdy

Richard Kearsley August 16, 2014 06:06PM

Re: aio breaks spdy

Valentin V. Bartenev August 27, 2014 01:26PM



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