Hi Karsten, A lot of people I respect seem to use Dropwizard for this sort of thing.
https://dropwizard.github.io/dropwizard/ As for deployment on Debian (dunno if it's in the standard Debian universe) https://groups.google.com/d/msg/dropwizard-user/gv4TDQbcHBc/LGJz0egMNWQJ Hope that helps Best Noah On Tue, May 20, 2014 at 12:54 PM, Karsten Loesing <[email protected]>wrote: > Hello devs, > > I'm seeking advice from people with experience in writing server-side > Java applications. > > Let me give you some background about this request: for the past five > years, I have been developing server-side Java applications which all > process large amounts of Tor directory data and provide their output via > a web interface. > > Examples: > > - The metrics data processor (metrics-db) fetches Tor descriptors from > the Tor directory authorities, the bridge authority, etc., performs some > sanity-checks, and provides descriptors by type as tarballs. We're > talking about roughly 7 GiB new bzip2-compressed data per month. > > - The metrics website (metrics-web) uses the output from the metrics > data processor, stuffs everything into a database, computes aggregates, > and presents results in graphs and .csv files. > > - The Onionoo service processes the same data from the metrics data > processor, but provides statistics per Tor relay, not for the Tor > network as a whole. The processing is done every two hours and may take > 30 minutes to 1.5 hours, depending on how overloaded the server is. > > - The ExoneraTor service, again, uses the same data and puts it in a > database to answer whether a certain IP address has been a Tor relay at > some point in the past. > > That's what is done. And here's how it's done under the surface: > > - There's one or more cronjobs, each of which starts an ant task to > process data. Some of these tasks import data into the database, others > store results in the file system. > > - Each application uses a web application deployed in Tomcat to provide > results to web users. Most things are written in servlets, some use JSPs. > > My problem is that this approach is rather fragile and difficult to > setup for new volunteers. I'm aware of that, and I'd like to improve it. > > My question is: what Java frameworks should I be looking at for the > applications described above? Bonus points if something is in Debian > stable. > > Note that "switch to $some_other_programming_language" is not a very > useful answer to me, at least not for the larger applications. There's > just too much existing code and not enough developer time to port it. > > Thanks in advance! > > All the best, > Karsten > _______________________________________________ > tor-dev mailing list > [email protected] > https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-dev >
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