The only problem I see is that you won't be able to get existing data with 'updated=False', the old data won't be indexed. You'll need to just get everything and maybe skip the stuff you have already pushed. Otherwise sounds like the idea might work.
On Sep 4, 2011 6:08 AM, "Natalie" <[email protected]> wrote: > > We are in the same situation. How’s everyone’s progress? > > We’re planning to migrate to AWS but we have quite a bit of data to move like you guys. We’re trying to minimize service disruption and keeping our site online while making the move. Here’s our scheme (would love to hear suggestions form you guys): > > 1) Upload a new app version that adds a Boolean value to every type of entity in Datastore. Call it “updated”. All call to put() will set this Boolean to true, and push the put() data to a GAE pull queue. > > 2) Use Remote API to batch get all entity with Boolean=false. This will get any unmodified data from DS. Data that are modified by DS after fetch can be retrieved from the pull queue later. > > 3) Transform the data and push them to AWS. > > 4) From AWS, lease the data from pull queue and fill up the database > > 5) Modify DNS record to point to the new AWS site while keeping the GAE app alive until it receives no traffic. > > > We are trying to take advantage of the GAE pull queue’s ability to be accessed outside of GAE. Do you guy foresee any problem with this scheme? We’re busy coding this at the moment and would love to hear your input. Thank you. > > Also we are planning to use AWS Elastic Beanstalk to ease Tomcat admin effort. Anyone could share their experience with this technology? > > > -- > You received this message because you are subscribed to the Google Groups "Google App Engine" group. > To view this discussion on the web visit https://groups.google.com/d/msg/google-appengine/-/FWTtjG5urQ0J. > > 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.
