On 7/2/10 6:27, Sander de Groot wrote:
Hi,
Our production environment consists of >= 500 websites and are
currently all written in PHP. We're considering moving from PHP to
Java but are unsure if its the right choice and if it is even possible
with that many sites. (memory?)
At the moment we're considering to use Felix as the container for all
applications. So Felix will have > 500 bundles. Each bundle (at least
the webapps) will be around 100kb each. I'd like to know whether it is
possible to have that many bundles deployed in Felix and would like to
know more about the performance aspect.
So in short: is it possible to deploy ~ 500 bundles on one container
and have the same or even better performance than the same server
using PHP? Or do you have any other (better) suggestions?
The biggest potential overhead that the Felix framework might add is
startup overhead, but unless your bundles are extremely complex (i.e.,
lots of imports/exports needing to be resolved with potential
conflicts), then this shouldn't be too significant. For example, the
GlassFish app server is composed of over 200 bundles and still can start
in around 2 to 3 seconds.
There will also be some memory overhead to maintain the module metadata
and class loader wiring, but this shouldn't be very significant. Once
things get going, then it is pretty much just normal class loader
delegation and object creation at that point.
-> richard
Regards,
Sander de Groot
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