Yeah, that blog post was awesome. I started moving to Twig last night. I understand and appreciate the concerns of others that frameworks are our friends, and that it's not unreasonable to use them, but at the same time, CPU and network optimization are even more important, so long as the barrier to achieve them isn't too high.
From the few hours I've spent with Twig, it seems easier - not harder than JDO for everything I'm doing. If you want to use JPA or JDO because you're already familiar with them, that's great and all, but the mapping to BigTable isn't that straight forward, so cramming the framework on top might not be the answer. Create a data store tier, wrap all Twig/Objectify logic in there, and while your app won't be as portable as if you were using JDO, it'll perform better, use less resources, and not be terribly dificult to port later on, if you have to. My $0.02 --- Sent from my iPad On Mar 31, 2010, at 6:23 AM, SRF <srfar...@gmail.com> wrote: > David, Ikai: > > Thanks very much for those blog posts on reducing the cold start > time. I think 1 to 2 seconds is reasonable. I'm definitely going to > take a closer look at Objectify. > > ++Steve > > On Mar 30, 4:54 pm, "Ikai L (Google)" <ika...@google.com> wrote: >> David, that post mirrors many of the points made here: >> >> http://www.answercow.com/2010/03/google-app-engine-cold-start-guide- >> f... >> >> There's one or two more tips on that page. >> >> On Tue, Mar 30, 2010 at 12:47 PM, David Chandler >> <turboman...@gmail.com>wrote: >> >> >> >> >> >>> In the mean time, here are some ideas for reducing startup times by >>> shrinking our apps. I went from 8.1s to 2.5s mainly by eliminating >>> Guice, and I would expect similar results with Spring. I can >>> definitely live with 2.5s... >> >>> http://turbomanage.wordpress.com/2010/03/26/appengine-cold-starts-con >>> ... >> >>> /dmc >> >>> On Mar 30, 3:04 pm, Baz <b...@thinkloop.com> wrote: >>>> Great information, Ikai. >> >>>> I really feel that "instances" should be completely avoided in >>>> concept >>> and >>>> language on the GAE. What if the feature was simply an enable/ >>>> disable >>> deal >>>> called "Warm Scale". If it were enabled, then your *next* >>>> instance would >>>> always be warm, regardless of how many instances you already had. >>>> This >>> would >>>> be most noticeable and suitable for low QPS production apps that >>>> are >>>> constantly going from 0 to 1 instances (as you mentioned), but it >>>> could >>>> still be important for others, say, for a super-high-profile >>>> site, or a >>>> situation where your QPS is right at the threshold of instances and >>>> oscillating back and forth between two instances. Whatever the >>>> situation, >>> if >>>> the solution were generalized like that, and most importantly not >>>> tied to >>> a >>>> SPECIFIC NUMBER of instances, it would be up to the user to >>>> decide how >>>> important it was for them and whether to enable it. >> >>>> Cheers, >>>> Baz >> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups >>> "Google App Engine for Java" group. >>> To post to this group, send email to >>> google-appengine-j...@googlegroups.com. >>> To unsubscribe from this group, send email to >>> google-appengine-java+unsubscr...@googlegroups.com<google- >>> appengine-java%2B unsubscr...@googlegroups.com> >>> . >>> For more options, visit this group at >>> http://groups.google.com/group/google-appengine-java?hl=en. >> >> -- >> Ikai Lan >> Developer Programs Engineer, Google App Enginehttp:// >> googleappengine.blogspot.com|http://twitter.com/app_engine > > -- > You received this message because you are subscribed to the Google > Groups "Google App Engine for Java" group. > To post to this group, send email to google-appengine-java@googlegroups.com > . > To unsubscribe from this group, send email to > google-appengine-java+unsubscr...@googlegroups.com > . > For more options, visit this group at > http://groups.google.com/group/google-appengine-java?hl=en > . > -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-j...@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
