Nginx flv stream gets too slow on 2000 concurrent connections

[shahzaib shahzaib]

Following is the output of 3000+ concurrent connections on iostat 1 command
:-

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           1.72    2.96    0.47    0.12    0.00   94.73

Device:            tps   Blk_read/s   Blk_wrtn/s   Blk_read   Blk_wrtn
sda              22.47      1988.92       733.04  518332350  191037238

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.39    0.00    0.91    0.20    0.00   98.50

Device:            tps   Blk_read/s   Blk_wrtn/s   Blk_read   Blk_wrtn
sda              22.00      2272.00         0.00       2272          0

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.46    0.00    0.91    0.07    0.00   98.57

Device:            tps   Blk_read/s   Blk_wrtn/s   Blk_read   Blk_wrtn
sda              23.00       864.00        48.00        864         48

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.39    0.00    0.72    0.33    0.00   98.56

Device:            tps   Blk_read/s   Blk_wrtn/s   Blk_read   Blk_wrtn
sda              60.00      3368.00       104.00       3368        104

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.20    0.00    0.65    0.20    0.00   98.95



On Wed, Jan 23, 2013 at 8:30 PM, shahzaib shahzaib <shahzaib.cb at gmail.com>wrote:

> Sketchboy, i sent you the output of only 1000 concurrent connections
> because it wasn't peak hours of traffic. I'll send you the output of iostat
> 1 when concurrent  connections will hit to 2000+ in next hour. Please keep
> in touch cause i need to resolve this issue :(
>
>
> On Wed, Jan 23, 2013 at 8:21 PM, skechboy <nginx-forum at nginx.us> wrote:
>
>> From your output I can see that it isn't IO issue, I wish I could help you
>> more.
>>
>> Posted at Nginx Forum:
>> http://forum.nginx.org/read.php?2,235447,235476#msg-235476
>>
>> _______________________________________________
>> nginx mailing list
>> nginx at nginx.org
>> http://mailman.nginx.org/mailman/listinfo/nginx
>>
>
>
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