And spike in cpu while forwarding request to datababse or sending response
to client is in between 30 to 35% of a single core.
On Tuesday 22 October 2024 at 08:41:53 UTC+5:30 RajKumar Ambadipelli wrote:
> Each mod_wsgi is using an average of 7 to 10mb of ram. And coming to cpu
> usage i got to see spike in cpu only while forwarding request or while
> sending response to client.
>
> And apache mpm: mpm_event_module
>
> On Tuesday 22 October 2024 at 01:22:19 UTC+5:30 Graham Dumpleton wrote:
>
>> And more questions.
>>
>> What Apache MPM are you using? Prefork, Worker or Event.
>>
>> How much memory are the Django web application processes using? IOW, the
>> mod_wsgi daemon processes.
>>
>> On 21 Oct 2024, at 5:35 PM, RajKumar Ambadipelli <arkki...@gmail.com>
>> wrote:
>>
>> Only REST API type services.
>>
>> On Monday 21 October 2024 at 12:04:33 UTC+5:30 Graham Dumpleton wrote:
>>
>>> Sorry, one more question for now while think of what to suggest.
>>>
>>> Are these REST API type services, HTML page based URL handlers, or mixed
>>> of both?
>>>
>>> On 21 Oct 2024, at 5:11 PM, RajKumar Ambadipelli <arkki...@gmail.com>
>>> wrote:
>>>
>>> Yes all those (275) are virtualhosts like below
>>>
>>> #MyApp1 Webservice Config
>>> Listen 9013
>>>
>>> <VirtualHost *:9013>
>>> ErrorLog /var/log/webservice_error.log
>>>
>>> WSGIPassAuthorization On
>>> WSGIDaemonProcess 9013
>>> python-path=/home/admin/myapp1:/home/admin/shared display-name=%{GROUP}
>>> WSGIProcessGroup 9013
>>>
>>> WSGIApplicationGroup %{GLOBAL}
>>> WSGIScriptAlias / /home/admin/myapp1/conf/wsgi.py
>>>
>>> <Directory /home/admin/myapp1/conf>
>>> <Files wsgi.py>
>>> Require all granted
>>> </Files>
>>> </Directory>
>>> </VirtualHost>
>>>
>>> and below is config of my wsgi.py
>>>
>>> import os
>>>
>>> from django.core.wsgi import get_wsgi_application
>>>
>>> os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'conf.settings')
>>>
>>> application = get_wsgi_application()
>>>
>>> I have for 275 let's say myapp1... ,to myapp275 and each is running on a
>>> seperate wsgi daemon with same python interpreter.
>>>
>>> And all of them are different services.
>>> And all of them are having different code base.
>>> On Monday 21 October 2024 at 11:32:38 UTC+5:30 Graham Dumpleton wrote:
>>>
>>>> When you say you have around 275 services, do you mean you 275
>>>> VirtualHost's and thus also 275 mod_wsgi daemon processes?
>>>>
>>>> How do the services differ? Are they completely different code bases,
>>>> or are they the same service for but for different customers/users
>>>> distinguished by host name?
>>>>
>>>> On 21 Oct 2024, at 4:56 PM, RajKumar Ambadipelli <arkki...@gmail.com>
>>>> wrote:
>>>>
>>>> Hello Graham,
>>>>
>>>> I have python django microservice running on apache web server using
>>>> mod_wsgi in daemon mode, It takes the request and forwards to database and
>>>> takes response from database and forwards it to front-end service.
>>>>
>>>> But like the above I have around 275 services and there is no cpu-bound
>>>> tasks on them, they simple take request and forwards to database and gets
>>>> response from database and forwards to front-end service.
>>>>
>>>> So, All of these wsgi daemons virtualhost configurations have same line
>>>> i.e.,
>>>> WSGIApplicationGroup %{GLOBAL}
>>>> all of them are using same python interpreter and there are no sub
>>>> interpreters if I am correct.
>>>>
>>>> The below is example for my one of my virtualhost config
>>>>
>>>> #MyApp1 Webservice Config
>>>> Listen 9013
>>>>
>>>> <VirtualHost *:9013>
>>>> ErrorLog /var/log/webservice_error.log
>>>>
>>>> WSGIPassAuthorization On
>>>> WSGIDaemonProcess 9013
>>>> python-path=/home/admin/myapp1:/home/admin/shared display-name=%{GROUP}
>>>> WSGIProcessGroup 9013
>>>>
>>>> WSGIApplicationGroup %{GLOBAL}
>>>> WSGIScriptAlias / /home/admin/myapp1/conf/wsgi.py
>>>>
>>>> <Directory /home/admin/myapp1/conf>
>>>> <Files wsgi.py>
>>>> Require all granted
>>>> </Files>
>>>> </Directory>
>>>> </VirtualHost>
>>>>
>>>> and below is config of my wsgi.py
>>>>
>>>> import os
>>>>
>>>> from django.core.wsgi import get_wsgi_application
>>>>
>>>> os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'conf.settings')
>>>>
>>>> application = get_wsgi_application()
>>>>
>>>> Does this create any problem, Or there is any other way I can do it?
>>>> I have tried using dockers and kubernetes but for each container it is
>>>> consuming more memory and cpu compare to deploying all of them in a single
>>>> apache web server.
>>>> I am able to run all my services on apache web server but not on docker
>>>> containers in kubernetes.
>>>>
>>>> Thanking You,
>>>> RajKumar
>>>>
>>>>
>>>>
>>>>
>>>>
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>>>>
>>>>
>>>>
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