Status: Valid
Owner: ----
CC: [email protected]
Labels: Type-Defect Priority-High Live
New issue 3374 by [email protected]: Change SymPy Live to HRD
http://code.google.com/p/sympy/issues/detail?id=3374
I just got this email from Google:
Dear App Engine Developer,
We’ve noticed that you are running at least one application configured to
use the Master/Slave (M/S) datastore. This application configuration was
officially deprecated on April 4, 2012, in accordance with our deprecation
policy, in favor of the more reliable High Replication Datastore (HRD). HRD
uses the Paxos algorithm to serve your application out of multiple
datacenters, meaning better redundancy in the face of datacenter issues,
more consistent datastore performance, and no planned downtime.
When we deprecated the M/S datastore, we introduced a migration tool that
allows you to easily migrate all your datastore and blobstore data to a new
HRD application. Migrating your application will not require you to change
your application’s URL, whether it serves from appspot.com or a custom
domin. Please note that even if your application does not store any data in
the datastore, it will still benefit from the automated datacenter failover
that is only available to HRD applications.
Before migrating your application, you should read about the differences
between M/S and HRD, and understand how the consistency policy for HRD
might affect the queries in your application.
All HRD applications that have billing enabled are covered by App Engine’s
99.95% uptime SLA. Along with the substantial reliability improvements,
many new App Engine features are only being made available to HRD
applications, including the Python 2.7 language option, Full Text Search
(FTS), and Page Speed integration.
We strongly encourage you to migrate your applications as soon as possible.
If you have technical questions about HRD or the migration process, you can
post them to Stack Overflow. Any general migration discussions can be
posted to our Google Group.
Thank You,
The App Engine Team
© 2012 Google Inc. 1600 Amphitheatre Parkway, Mountain View, CA 94043
You have received this mandatory email service announcement to update you
about important changes to your Google App Engine account.
Also, many of the words in the email were hyperlinked, so let me know if
something is not clear.
So we need to see how to fix this. I think SymPy Gamma probably needs to be
fixed as well.
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