Nah, this happens mostly on the two largest entity kinds (by total space used), and large amounts of data appear to actually be missing from the backup. I have filed an issue at https://code.google.com/p/googleappengine/issues/detail?id=9702&thanks=9702&ts=1374628562
On Tuesday, July 23, 2013 10:12:38 PM UTC-7, Ryan Huebsch wrote: > > One possible cause is some shards did not have any data to process and > produced 0B files. Does the total size across all the files add up to > approximate size for that kind (datastore statistics in the admin console > can provide you this value). If it is not adding up, please provide your > appId and the kind/id for the job here or create an issue on the tracker > with that info so we can look into what may have gone wrong. > > > On Mon, Jul 22, 2013 at 3:44 PM, <[email protected] <javascript:>>wrote: > >> Hi guys, I'm using the scheduled backup from >> https://developers.google.com/appengine/articles/scheduled_backups on a >> decently sized datastore. I have it set to run a backup to google cloud >> storage once per week, but looking at the most recent backup from >> yesterday, some 37% of the backup files are missing. Some files of the >> form >> "datastore_backup_AutomaticBackup2013_07_21_<EntityName>-<id>-output-0-retry-0" >> >> in GCS have size 0B in the google cloud console. The overall status of the >> finished job is 'Completed' in Datastore Admin, though there are a few >> errors in the logs, such as "UnknownError: ApplicationError: 7" >> >> Any ideas on what might cause this? >> >> Thanks, >> Chris >> >> -- >> 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] <javascript:>. >> To post to this group, send email to >> [email protected]<javascript:> >> . >> Visit this group at http://groups.google.com/group/google-appengine. >> For more options, visit https://groups.google.com/groups/opt_out. >> >> >> > > -- 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. For more options, visit https://groups.google.com/groups/opt_out.
