Proxy_store downloading half videos !!

[shahzaib shahzaib]

>>proxy_pass http://fl008.origin.com$uri;
It didn't work instead the error 502 gateway started to show up when
proxying the request via proxy_pass.

On Thu, Sep 18, 2014 at 6:32 PM, shahzaib shahzaib <shahzaib.cb at gmail.com>
wrote:

> Thanks a lot for the solution Roman, i'll get back to you after applying
> the fix. :-)
>
> On Thu, Sep 18, 2014 at 6:29 PM, Roman Arutyunyan <arut at nginx.com> wrote:
>
>>
>> Try this directive instead of yours to download the entire file from the
>> backend
>>
>> proxy_pass http://fl008.origin.com$uri;
>>
>>
>> On 18 Sep 2014, at 15:25, shahzaib shahzaib <shahzaib.cb at gmail.com>
>> wrote:
>>
>> > Yes, the mp4 modules is enabled on origin as well as edge. Could you
>> please help me resolving the issue ?
>> >
>> > On Thu, Sep 18, 2014 at 4:21 PM, Roman Arutyunyan <arut at nginx.com>
>> wrote:
>> >
>> > On 18 Sep 2014, at 14:49, shahzaib shahzaib <shahzaib.cb at gmail.com>
>> wrote:
>> >
>> > > Hi,
>> > >
>> > >    We're using proxy_store on the edge server for replicating
>> requested mp4 files and some of our users reported that some of the videos
>> are half sized and therefore they are unable to stream whole video file on
>> their end (coming from the edge server). On digging into the access_logs of
>> nginx, i found the 500 internal server errors for 10~20 videos and on
>> checking the size of 500 error videos it was half of the size compare to
>> the mirrored video files on the origin. Please check the following error of
>> the culprit video link :-
>> > >
>> > > 203.124.62.213 - - [18/Sep/2014:15:13:58 +0500] "GET
>> /files/videos/2014/09/12/1410536044adf1b-360.mp4?start=729 HTTP/1.1" 500
>> 588 "http://lw3.files.com/files/videos/2014/09/12/" "Mozilla/4.0
>> (compatible; MSIE 8.0; Windows NT 6.0)"
>> > >
>> > > I'd like to inform that the issue is coming for 40% of the videos.
>> > >
>> > > error_log :-
>> > >
>> > > 2014/09/18 15:30:40 [error] 3883#0: *77490
>> "/var/www/html/files/videos/2014/09/16/141088548798bb1-360.mp4" mp4 start
>> time exceeds file duration, client: 175.110.88.213, server: lw3.files.com,
>> request: "GET /files/videos/2014/09/16/141088548798bb1-360.mp4?start=736.8
>> HTTP/1.1"
>> > >
>> > > You can see the "start time exceeds error" on edge server but the
>> video link starting from start=736.8 exists on origin server.
>> > >
>> > > Nginx config :-
>> > >
>> > > server {
>> > >
>> > >         listen       80;
>> > >         server_name lw3.files.com;
>> > >         root /var/www/html/tunefiles;
>> > >         location ~ \.(mp4|jpeg|jpg)$ {
>> > >                root   /var/www/html/tunefiles;
>> > >                 mp4;
>> > >         error_page 404 = @fetch;
>> > >
>> > >             }
>> > >
>> > >
>> > >         location ~ \.(php)$ {
>> > >                 proxy_pass http://fl008.files.net:80;
>> > >         }
>> > >
>> > >
>> > >
>> > >         location @fetch {
>> > >         internal;
>> > >         proxy_pass http://fl008.origin.com:80;
>> > >         proxy_store        on;
>> > >             proxy_store_access user:rw group:rw all:r;
>> > >         root /var/www/html/tunefiles;
>> > > }
>> >
>> > Do you have the mp4 module enabled at the origin?  If so then you have
>> partial mp4
>> > downloaded from there and stored locally.  Note proxy_pass without URI
>> passes
>> > client URIs to the origin keeping the arguments (including “start”).
>> >
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