Those MapReduce calls are actually part of the Datastore Backup <https://cloud.google.com/appengine/docs/python/console/datastoreadmin?csw=1> :
Very frequent backups often lead to higher costs. When you run a Datastore > Admin job, you are actually running an underlying MapReduce job. MapReduce > jobs cause frontend instance hours to increase on top of Storage operations > and Storage usage. To keep an eye on your resource usage: 1. Visit the Cloud Platform Console Dashboard page > 2. Use the pulldown menus at the top of the page to select the default > module and the ah-builtin-python-bundle version On Friday, December 4, 2015 at 2:52:53 AM UTC-5, Rüdiger Jungbeck wrote: > > We have an AppEngine based Python application which has 212 MB of data > store data (according to the console). > > I tried to do a backup every 10 days. > > - description: My Backup > url: > /_ah/datastore_admin/backup.create?name=BackupToCloud&kind=Application&kind=Design&kind=JobQueue&kind=Journal&kind=License&kind=Token&kind=User&kind=Wiki&filesystem=gs&gs_bucket_name=lpsngbackup > schedule: every 240 hours > target: ah-builtin-python-bundle > > The backup worked successful for several month. > > Suddenly thousands of daily /_ah/mapreduce/controller_callback/.... > requests are in the console (our app doesn't do mapreduce). > > The console says that we had >420.000 of these requests yesterday alone. > > Where do they come from, *how do I stop them?* > > My bills doubled in the last month. > > -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/google-appengine. To view this discussion on the web visit https://groups.google.com/d/msgid/google-appengine/421d8f6f-8d4c-4a44-bfdc-a44eeeef1e5f%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
