One more option: you can set ETAs in task queue tasks. That is, when some action occurs, you can say, "Run this at 6:30am", and the job will run at roughly that time:
http://code.google.com/appengine/docs/java/javadoc/com/google/appengine/api/taskqueue/TaskOptions.Builder.html#withEtaMillis(long) Ikai Lan Developer Programs Engineer, Google App Engine Blog: http://googleappengine.blogspot.com Twitter: http://twitter.com/app_engine Reddit: http://www.reddit.com/r/appengine On Fri, Jul 22, 2011 at 2:09 PM, Kesava Neeli <nke...@gmail.com> wrote: > Yes.. I looked at Background instance. It allows to have long tasks but it > doesn't allow to spawn threads. Quartz fires off events in threads. So I > guess quartz is not an option on app-engine. We can use appengine cron jobs > to some extent but if you need to fire an event at exact minute, it would be > tough. > > It's tough to maintain 2 cloud providers for single product. Not sure how > efficient it is to call appengine urls from EC2. May be move to EC2 > completely may be better solution. > > We need object datastore for our product. Has anyone has experience with > EC2 object datastore SimpleDB? Does it have same features and JPA/JDO > interfaces like appengine. GAE datastore is pretty good but it doesn't give > a "VM" ownership to the developer. The "Backends" in appengine still don't > give any control of the server/instance to developer. > > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine for Java" group. > To view this discussion on the web visit > https://groups.google.com/d/msg/google-appengine-java/-/nlrteFBD_2sJ. > > 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-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.
