Odp: streaming service

[Jacek]

Anyone?

I would be very grateful for any suggestions.

Dnia 29-06-2011 o godz. 18:37 Jacek Placek napisał(a):
> Hi,
> 
> I'm planning on using Varnish in my project as a reverse proxy cache. 
> Mainly to cache dynamically created streaming content at the backend 
> side. The process is CPU intensive and takes a fair amount of time to 
> complete.
> 
> I would like to ask you all which of the following requirements can be 
> accomplished by using the build-in functions, writing a dedicated module 
> (version 3.0) or changing the default functionality by patching the 
> source:
> 
> 1) rate-limiting - a memcached set of counters, ex. ip address/time, 
> uri/time, ...
> 
> 2) streaming - content generated via a backend should be streamed ASAP 
> to the client and saved to cache at the same time - ideally while the 
> content is generated it would be very good to have the ability to stream 
> to more then one client (non blocking object)
> 
> 3) request manipulation - incoming request from a client is a HTTP GET 
> (domain/object_id) and should be transformed into HTTP POST to a backend 
> app extended with additional set of parameters (headers) taken from db 
> (memcache, mongodb, tokyo tyrant, mysql)
> 
> 4) cache expire - based on popularity and size of an object - free space 
> should be reclaimed by purging least popular objects (amount of traffic 
> they generate)
> 
> Thank you in advance,
> 
> Jacek.
> 
> 
> 
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