I just installed channels==1.1.4, it's working like a charm.The issue is 
gone.Thanks Andrew.

On Thursday, June 15, 2017 at 7:06:01 PM UTC+5:30, Andrew Godwin wrote:
>
> The error you have looks like 
> https://github.com/django/channels/issues/643, which was fixed in the 
> master branch but not released yet. Could you install channels from the 
> master git branch and see if that improves things?
>
> Andrew
>
> On Thu, Jun 15, 2017 at 7:19 PM, RAUSHAN RAJ <openc...@gmail.com 
> <javascript:>> wrote:
>
>> Hi,
>> I am using HAPROXY --> 2 Daphne interface servers ---> Redis Channel 
>> Layer and Running (28)workers on 10 cores.
>> I was doing load testing using artillery
>> artillery quick --duration 60 --rate 100 -n 10 url
>> After few seconds only Getting Errors like
>> 504,503,ECONNRESET,ETIMEDOUT .
>> Same loadtesting i applied on 4CPU instance running tornado and it 
>> completed without a single error.
>> What went wrong , any ideas.
>>
>> My Supervisor Conf
>> [program:worker]
>> directory = /home/fingoo/Documents/coding/projects/sentieosocket
>> command = python manage.py runworker --settings="sentieosocket.settings"
>> process_name=%(program_name)s_%(process_num)02d
>> numprocs = 7
>> autostart=true
>> autorestart=true
>> stderr_logfile=/var/log/worker.err1.log
>> stdout_logfile=/var/log/worker.out1.log
>>
>> [program:daphne9000]
>> directory = /home/fingoo/Documents/coding/projects/sentieosocket
>> command = daphne -b 0.0.0.0 -p 9000 sentieosocket.asgi:channel_layer 
>> --ping-timeout 120 --ping-interval 30 --websocket_connect_timeout 8 
>> --access-log /var/log/daphne
>> autostart=true
>> autorestart=true
>> stderr_logfile=/var/log/daphne9000.err1.log
>> stdout_logfile=/var/log/daphne9000.out1.log
>>
>>
>> 1.) Django (1.11.1) , django-redis-sessions (0.5.6) , Twisted (17.1.0) , 
>> daphne (1.2.0) ,autobahn (17.5.1),asgi-redis (1.4.0)
>> 2.) This was redis(It's a single redis server running on 2CPU instance.) 
>> channel layer config, CHANNEL_LAYERS = {
>> "default": {
>> # This example app uses the Redis channel layer implementation asgi_redis
>> "BACKEND": "asgi_redis.RedisChannelLayer",
>> "CONFIG": {
>> "hosts": [(REDIS_HOST, 6379)],
>> "capacity":500, # tried with 1000 also
>> },
>> "ROUTING": "sentieosocket.routing.channel_routing",
>> },
>> }
>> 3.) Errors given by worker are
>> File 
>> "/usr/local/lib/python2.7/dist-packages/channels/management/commands/runworker.py",
>>  
>> line 83, in handle
>> worker.run()
>> File "/usr/local/lib/python2.7/dist-packages/channels/worker.py", line 
>> 151, in run
>> consumer_finished.send(sender=self.class)
>> File 
>> "/usr/local/lib/python2.7/dist-packages/django/dispatch/dispatcher.py", 
>> line 193, in send
>> for receiver in self._live_receivers(sender)
>> File "/usr/local/lib/python2.7/dist-packages/channels/message.py", line 
>> 93, in send_and_flush
>> sender.send(message, immediately=True)
>> File "/usr/local/lib/python2.7/dist-packages/channels/channel.py", line 
>> 44, in send
>> self.channel_layer.send(self.name, content)
>> File "/usr/local/lib/python2.7/dist-packages/asgi_redis/core.py", line 
>> 184, in send
>> raise self.ChannelFull
>> asgiref.base_layer.ChannelFull
>> 4.) Running 28 workers on 10 cores.
>> 5.) For very less number of concurrent users, the configuration is 
>> running fine.But as already said, I did a load testing on tornado server 
>> (4Cores) and was running fine, but with django-daphne i am giving 10Cores 
>> to workers and still facing 503 error code and 504 error code by 
>> haproxy.May be I misunderstood something and make misconfiguration in my 
>> django channels settings.There seems to be 100% CPU usage for workers, 
>> everytime little load is increased.
>>
>>
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