Yes, we are looking at different ways of providing even more powerful migration tools. How much data are you looking to migrate?
-- 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 Tue, Feb 1, 2011 at 5:22 AM, Jeff Schwartz <[email protected]>wrote: > Hi Ikai, > > Considering your recommendation is there any progress in providing an > easier migration path for existing applications? > > On Mon, Jan 31, 2011 at 5:51 PM, Ikai Lan (Google) < > [email protected] <ikai.l%[email protected]>> wrote: > >> I'm going to let someone else answer this question, but we are >> recommending that all new applications use High Replication datastore. >> Datastore latency spikes are virtually non-existent if your application uses >> HR instead of master-slave. >> >> -- >> 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 Sat, Jan 29, 2011 at 10:25 PM, Natalie >> <[email protected]>wrote: >> >>> Hello, >>> >>> We are at the planning phase on a new App Engine project, and we are >>> unsure about the choice of Master/Slave and High Replication. >>> >>> About our site: >>> The site is expected to get a lot of hit (Around 50-200 QPS.). >>> Around 20% write and 80% read. >>> Minimal outrage a must. Will lose a lot of clients if outrages are too >>> frequent. >>> >>> We would love to hear from fellow App Engine developers of their >>> experiences with HR. >>> >>> In particular we want to know: >>> 1) Recently the M/S datastore has very high latency for query. How’s >>> your experience in HR? >>> 2) What’s your approximate of the HR datastore availability? Is it >>> close to 99.9%? >>> 3) How is the read/write performance of HR datastore? Would love it >>> if >>> you could share some statistics. >>> 4) How much does the cross datacenter synchronization issue affect >>> the >>> performance of your site? Please see this link about the issue: >>> >>> http://groups.google.com/group/google-appengine/browse_thread/thread/5fc3b6a4366de62f/4b4d23e924b7b136 >>> >>> It would be great if you could share your experience with us and other >>> App Engine developers. >>> >>> Thank you very much. >>> >>> -- >>> 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]<google-appengine%[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]<google-appengine%[email protected]> >> . >> For more options, visit this group at >> http://groups.google.com/group/google-appengine?hl=en. >> > > > > -- > *Jeff Schwartz* > > -- > 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]<google-appengine%[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.
