Wow..cool...I am using the graphite plugin. I see two new metrics......busyiness and harikari. What is the best explanation of those two?
I am pretty much at 100% on all busyiness on 3 servers with 8 cores each. But I am doing 6K qps. Clearly I need more servers but is rather a black art to tell if I am truly using the servers to the max before I scale out. I dont know:( On Sat, Nov 10, 2012 at 1:15 AM, Roberto De Ioris <[email protected]> wrote: > > Il giorno 09/nov/2012, alle ore 18:05, Jeff Van Voorst < > [email protected]> ha scritto: > > > The best answer is it depends on your application and usage patterns. > You will want to test loading your system till it breaks for different > values of n. > > > > Potential starting values of n might be small (e.g. 8) for heavy > computational apps, and much larger for database query or I/O heavy apps > (e.g. 256 or even 1024). Note that these are starting values, and the only > way to know is to test your app as you see and expect users to use it. > > > > --Jeff > > > > > > A very important test is using the stats subsystem of 1.4 that exports > information about cores (in the case of the gevent plugin, a core is mapped > to a greenlet). > > As the uWSGI async mode tend to reuse the first available core, you will > get a pretty accurate info about the need of adding more cores/greenlets > (or to remove them if they are unused) > > -- > Roberto De Ioris > http://unbit.it > JID: [email protected] > > _______________________________________________ > uWSGI mailing list > [email protected] > http://lists.unbit.it/cgi-bin/mailman/listinfo/uwsgi >
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