Thanks Ikai.
On Thu, Jan 6, 2011 at 19:04, Ikai Lan (Google) <[email protected]> wrote: > Stephen, > The times I gave earlier were estimates of how much replication delay is > introduced in each replication scheme. The "eventually consistent" flag is > for reads only and dictates whether or not you care to read from the > "Master" datastore - reads will go to a slave if there are issues reaching > the master. > > Robert, in future releases, we will allow developers to create aliases for > their applications. Aliases are routing rules that will override the current > routing. Unfortunately, these are not production ready, as we don't have any > ACLs in place and there are edge cases. For developers that want to migrate > to HR datastore right away and need an alias created (say, for HTTPS) and > are willing to weather some weirdness around mail, XMPP and cron, I am happy > to create the alias for them given that they can prove they own both > applications (source and destination application). These developers can fill > out a request for an application ID alias here: > http://code.google.com/support/bin/request.py?contact_type=AppEngineBillingSupport > -- > 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 Thu, Jan 6, 2011 at 3:56 PM, Stephen <[email protected]> wrote: >> >> >> On Thursday, January 6, 2011 11:09:24 PM UTC, Ikai Lan (Google) wrote: >>> >>> - Typically, how long does it take for HR query data to become consistent >>> (a ballpark figure)? >>> 100ms is the estimate. However - we have seen cases where this can be >>> higher. If you were to use the eventual consistency read option in the >>> master-slave configuration, we've seen that the average replication lag is >>> about 3 minutes with an upper bound of 10 minutes. >> >> What are the timings for the master/slave datastore with the >> EVENTUALLY_CONSISTENT option? >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Google App Engine" 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?hl=en. > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine" 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?hl=en. > -- You received this message because you are subscribed to the Google Groups "Google App Engine" 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?hl=en.
