How about jruby with rails? :) On Dec 15, 10:02 am, Takashi Matsuo <[email protected]> wrote: > Hello, > > Today I noticed that App Engine Java environment became much faster > then before. The spin up cost is about 700cpu_ms with the simplest > servlet. Additionally, when it comes to serving with a hot instance, > the cost reduces to 0-2cpu_ms, while python environment takes about > 5-7cpu_ms even with the simplest handler. > > To make it simple here, lets say Java takes 1cpu_ms while Python takes > 6cpu_ms for serving very simple page. > How many requests can they serve with 1 cpu hour? > > Java: 3600000 requests/1 cpu hour > Python: 600000 requests/1 cpu hour > > This is a big deference; 6 times! If your app exceeds free quota, this > deference can impact total amount of costs significantly. I'm a big > Python fan and I have believed that appengine Python runtime is > superior to Java runtime, so I've been trying to persuade others to > use Python rather than Java for now. > > Having said that, today it turns out for me that Java runtime is much > more cost effective than Python runtime in some cases, so should I > recommend others to use Apppengine Java if they are very sensitive to > cpu costs? > > I'd appreciate if anyone could share one's thoughts/experiences on this. > > TIA > > -- > Takashi Matsuo > Kay's daddy
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