... humm, it sounds like an idea. But I am not sure it works. I learned that even the use of JDO is slowing down the start up. So I imagine if there was a way to optimize that with the datastore they would have done it? How would you want to put this in place? With a filter?
On Apr 25, 5:38 am, tazdevil78 <[email protected]> wrote: > I am still new to GAE, but could we not push an instance of > DispatcherServlet into MemCache or the datastore? > > Then when the application idles we can pull the instance back out of > storage instead of creating a new instance. > > Is that not what Google is trying to say in their FAQ, "Share > expensive initialization between JVMs. For example, put data which is > expensive to read or compute into memcache, where it can be quickly > read by other JVMs during startup." > > Maybe I am missing something obvious.... > > On Feb 26, 2:50 pm, luijar <[email protected]> wrote: > > > > > > > Nope, I am still seeing it. It's quite frustrating. I even tried to > > reduceSpringinit time by removing schema validation from the > > application context init. But, that does not seem to work. I am > > usingSpringannotations and component scanning to autowire my beans, I > > wonder if using plain XML configuration will make autowiring faster. > > > On Feb 23, 9:14 pm, charming30 <[email protected]> wrote: > > > > Has the above mentioned "offline precompilatio" in 1.3.1 been able to > > > solve your issue, I plan to useSpringon Java for my Business App > > > which is complex and could be based on SOA. Kindly let me know if your > > > issue was resolved or reduced by using the above fix. > > > > On Feb 20, 12:05 am, luijar <[email protected]> wrote: > > > > > I believe my development environment was on 1.3.0. That might be > > > > something to look at, although it seems that probably it's a very > > > > small overhead, do you have any metrics that would give some evidence > > > > as to how much overhead is "offline precompilation" adding? > > > > > Thanks > > > > > On Feb 18, 2:04 pm, Don Schwarz <[email protected]> wrote: > > > > > > Have you deployed your application with the 1.3.1 SDK? That release > > > > > turned > > > > > on "offline precompilation" by default, which is an optimization that > > > > > may > > > > > help. > > > > > > On Thu, Feb 18, 2010 at 7:59 AM, Alex <[email protected]> wrote: > > > > > > Hi, > > > > > > > It appeared that long init problem is well known for Grails users: > > > > > >http://jira.codehaus.org/browse/GRAILSPLUGINS-1736 > > > > > > > I wasted couple of weeks to create app I cannot run. Hope that > > > > > > SpringSource and Google can solve the issue. > > > > > > > On Feb 17, 7:41 pm, Stephan Hartmann <[email protected]> wrote: > > > > > > > The problem is that the initialization of your app takes longer > > > > > > > than 30 > > > > > > > seconds. > > > > > > > Pinging your app doesn't help when the app is restarted due to > > > > > > redeployment > > > > > > > or maintenance, or when high traffic demands a second instance. > > > > > > > > You should try to reduce your startup time. > > > > > > > > regards, > > > > > > > Stephan > > > > > > > > 2010/2/17 luijar <[email protected]> > > > > > > > > > Great, all of our projects areSpringenabled lol. But I guess > > > > > > > > it's > > > > > > > > good that we are not the only ones seeing this, hopefully it > > > > > > > > gets a > > > > > > > > little more visibility. We have a cron job (1 min) that tries > > > > > > > > to keep > > > > > > > > our application alive by hitting a URL, but it does not do a > > > > > > > > very good > > > > > > > > job. It's frustrating and we don't even have access to the 500 > > > > > > > > page to > > > > > > > > tell the user to retry or go somewhere else. > > > > > > > > > On Feb 17, 11:21 am, oth <[email protected]> wrote: > > > > > > > > > Yes we have seen this problem a lot. Per our tests, an > > > > > > > > > application > > > > > > > > > becomes idle after a minute of non activity. So, the > > > > > > > > > unfortunate > > > > > > > > > reality is that you need to keep your app alive by simulating > > > > > > activity > > > > > > > > > on it. Or go the nonSpringroute. > > > > > > > > > > Thanks > > > > > > > > > > On Feb 16, 4:14 pm, luijar <[email protected]> wrote: > > > > > > > > > > > Hello Google App Engine forum, > > > > > > > > > > > We have been seeing ever since we deployed our > > > > > > > > > > applications > > > > > > > > > > (currently 3 of them) that when our application instances > > > > > > > > > > become > > > > > > idle > > > > > > > > > > (they have not been hit for x amount of seconds) subsequent > > > > > > requests > > > > > > > > > > return with a 500 response. Logs show a hard deadline > > > > > > > > > > exceeded > > > > > > error > > > > > > > > > > > com.google.apphosting.runtime.HardDeadlineExceededError: > > > > > > > > > > This > > > > > > request > > > > > > > > > > (32306ebe63b71ab0) started at 2010/02/12 20:39:11.984 UTC > > > > > > > > > > and was > > > > > > > > > > still executing at 2010/02/12 20:39:41.225 UTC. > > > > > > > > > > at > > > > > > > com.google.appengine.runtime.Request.process-32306ebe63b71ab0(Request.java) > > > > > > > > > > > And the first line of the log message has the following : > > > > > > > > > > > 02-12 12:39PM 14.088 > > > > > > > > > > > javax.servlet.ServletContext log: InitializingSpringroot > > > > > > > > > > WebApplicationContext > > > > > > > > > > > Question: > > > > > > > > > > Has anyone else seen this behavior? How long does it take > > > > > > > > > > for an > > > > > > > > > > application instance to become idle? > > > > > > > > > > > Thanks > > > > > > > > > -- > > > > > > > > You received this message because you are subscribed to the > > > > > > > > Google > > > > > > Groups > > > > > > > > "Google App Engine forJava" group. > > > > > > > > To post to this group, send email to > > > > > > > > [email protected]. > > > > > > > > To unsubscribe from this group, send email to > > > > > > > > [email protected]<google-appengine-java%2B > > > > > > > > [email protected]> > > > > > > <google-appengine-java%[email protected]<google-appengine-java > > > > > > %[email protected]> > > > > > > > > > . > > > > > > > > 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 forJava" group. > > > > > > To post to this group, send email to > > > > > > [email protected]. > > > > > > To unsubscribe from this group, send email to > > > > > > [email protected]<google-appengine-java%2B > > > > > > [email protected]> > > > > > > . > > > > > > 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 [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group > athttp://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. 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