On Jul 3, 2010, at 3:58 AM, Sander de Groot <[email protected]> wrote:
> On 07/02/2010 03:22 PM, Richard S. Hall wrote: >> 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. > Ah, yes, right. It's clear that the Felix framework won't be the problem in > my case. The startup time is not very relevant since we're in a load-balanced > environment. >> >> 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. > This is where my real question surfaces. Is Java able to handle large > quantities of smaller and some larger web applications all within the same > server? This is a difficult, if not impossible question to answer in the abstract. Do you have a specific concern? You also might want to post this to the mailing list of your preferred servlet container. I will caution you that vhosting makes monitoring and troubleshooting very difficult. But using Java isn't going to make this significantly worse than PHP. Justin >> >> -> richard >> >>> >>> Regards, >>> >>> Sander de Groot >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: [email protected] >>> For additional commands, e-mail: [email protected] >>> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [email protected] >> For additional commands, e-mail: [email protected] >> > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
