The 30 second limit is imposed on the time it takes the servlet to finish. -- Ikai Lan Developer Programs Engineer, Google App Engine Blogger: http://googleappengine.blogspot.com Reddit: http://www.reddit.com/r/appengine Twitter: http://twitter.com/app_engine
On Mon, Nov 29, 2010 at 10:13 AM, Stephen Johnson <[email protected]>wrote: > I believe the 30 second limit is imposed on the time it takes for your > servlet to finish. Thus, if your servlet finished generating and returning > the file to the AppEngine infrastructure in 29 seconds, then I think you > will be safe even though it might take another minute or two for Google's > infrastructure to stream it to the client. I have not tested this though. > Can anyone confirm or deny this assumption on my part. > > > On Mon, Nov 29, 2010 at 10:57 AM, pac <[email protected]> wrote: > >> Sorry, did not see your post earlier Stephen. >> >> I was not aware of this 10 minute feature to create a file, I will >> look into. >> >> File size will be greater then 10MB, it is an existing website which I >> am thinking to port to gae, file size already gets around 12MB or so. >> >> So I guess more than 10MB download will be an issue and I guess >> download should also complete in 30 second, is that so? >> >> On Nov 29, 5:37 pm, pac <[email protected]> wrote: >> > A client will download a xml file instead of uploading. >> > Records will be created (or updated, deleted) in a table/kind over >> > time and all records from a kind need to be downloaded in form of a >> > xml file, I hope I am explaining the issue bit more clearly. >> > >> > I am not sure if I could make use of blobstore in this case as it will >> > require update of blobstore object (in background may be using task) >> > every time a record gets added/updated/deleted i.e. if I create xml >> > file programmaticaly and store as blobstore object. >> > >> > On Nov 29, 5:14 pm, Didier Durand <[email protected]> wrote: >> > >> > > Hi, >> > >> > > To emulate files, you have to use the Blob object in the datastore to >> > > store such xml content: see com.google.appengine.api.datastore.Blob >> inhttp://code.google.com/appengine/docs/java/datastore/dataclasses.html. >> .. >> > >> > > Blob has a limited max size: 1 Mbyte. So, you can use a collection >> > > (Vector, List, etc..) of Blobs if you need more than 1 Mbytes. >> > >> > > If your files get uploaded by a client, you can use the Blobstore >> > > where the max size is much bigger(2 Gbytes): seehttp:// >> code.google.com/appengine/docs/java/blobstore/overview.html >> > >> > > You have to associate the blob with some other fields (name, size, >> > > last_updated) in you pojo to reproduce what you expect from a file. >> > >> > > N.B. if you need to emulate a directory tree, you also have to write >> > > it by yourself. >> > >> > > Finally, I would recommend alternative Objectify rather than standard >> > > JDO for such services. >> > >> > > Hope this helps >> > >> > > regards >> > > didier >> > >> > > On Nov 29, 5:53 pm, pac <[email protected]> wrote: >> > >> > > > In a website I need to provide a feature to get data in xml format >> > > > i.e. some url >> > >> > > > e.g.http://www.mysite.com../data.xml >> > >> > > > I think in gae I can not create a file. Any suggestions to create >> such >> > > > feature to get data from data store in this way? >> > >> > > > Data store will have large number of records, so in general, a file >> > > > created from that could be of good few MBs. >> >> -- >> 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]<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 for Java" group. > To post to this group, send email to > [email protected]. > To unsubscribe from this group, send email to > [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 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 at http://groups.google.com/group/google-appengine-java?hl=en.
