10,000 people does not sound like too heavy a load. How often will they 
check their schedules?
If you are looking up items by day and user, then indices on day and 
(foreign key on) user should be enough to handle a much heavier load.

If you do find you need caching, using Django's built in cache framework 
first, then maybe something like memcached for db queries.

I would also look at things like connection pooling before you decide you 
need caching.

On Tuesday, March 5, 2013 4:38:31 AM UTC+5:30, Subodh Nijsure wrote:
>
> Hi, 
>
> I have implemented a django application that willl maintain schedule 
> for 100s of people that work for a company. People access this 
> schedule using desktop or mobile device to lookup their task list for 
> current day, this week etc. 
>
> Now the question is how do I scale this -- example when user joe looks 
> up his schedule for today essentially I end up doing a query get 
> records for today, where user name is joe. Same thing would happen 
> when Mary looks up her schedule, we do DB lookup for records for Mary. 
>
> I am worried that when 10,000 people start to query this my database 
> is going to become a bottleneck (?) Should I be implementing some of 
> home grown daemon that caches the data associated with most common 
> queries and serve the data out of that daemon. 
>
> I am sure I am not the first one to encounter this issue, how do 
> people scale their query response time when using django as their 
> framework. 
>
> (Hope this Q made sense...) 
>
> -Subodh 
>

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