If you don't want to introduce MapReduce solely for this purpose, you can write a queued task that loops through the data to delete it .... and that recreates a new instance of itself just before time limit (10 min) to continue the deletion.
regards didier On Sep 9, 8:37 pm, Marcelo Liberato <mliber...@gmail.com> wrote: > You may use MapReduce programmatically or just use Datastore admin (which > uses mapreduce behind the scenes). > > On Thu, Sep 8, 2011 at 12:30 PM, blitzer <brian.blit...@gmail.com> wrote: > > So I have ~ 35 million rows of data. I have seen that I need to get the > > data into a collection and then call deletePersistAll(). Is that the only > > way? > > > -- > > 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/-/gg8buxlS2JUJ. > > 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.