NOTICE: users of the high replication (HR) datastore users are unaffected and do not have maintenance, read-only, nor "downtime" periods so you can effectively disregard this post.
>From time-to-time, we have to perform scheduled maintenance on App Engine systems. During these times, the datastore will be placed into read-only mode and memcache will be flushed. It is recommended that critical portions of your application that depend on the datastore should make use of the Capabilities API to detect and recover gracefully during read-only periods. Documentation describing the capabilities API can be found here: Python: http://code.google.com/appengine/docs/python/howto/maintenance.html Java: http://code.google.com/appengine/docs/java/howto/maintenance.html As mentioned at the top of this message, there will be no downtime for developers whose applications use the HR datastore. You can read more about this service here: http://googleappengine.blogspot.com/2011/01/announcing-high-replication-datastore.html Developers can add/view the scheduled maintenance calendar using this link (look for the "+" in the lower-hand corner to add the calendar): https://www.google.com/calendar/b/0/embed?src=4chlpo92ci2f54c2u21shbj...@group.calendar.google.com Developers can also subscribe to the same scheduled maintenance Google Calendar using this address: 4chlpo92ci2f54c2u21shbj...@group.calendar.google.com Most importantly, sign up to receive notices from the App Engine Downtime Notify Group as to these maintenance periods!! https://groups.google.com/group/google-appengine-downtime-notify Best regards, -The Google App Engine team -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to google-appengine@googlegroups.com. To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.
