这两天Datastore连续出现持续的错误, Google 官方确认Master/Slave方式故障, 并说很快HDR迁移工具就会出来
http://code.google.com/p/googleappengine/issues/detail?id=5538#c2 :
"
There was a temporary outage affecting only Master/Slave application that is being tracked here:
http://code.google.com/p/googleappengine/issues/detail?id=5499This outage is now resolved, your application should be back.
FYI, we will soon release a migration tool for helping you to move to High Replication Datastore where these kind of transient problems related to datastore do not happen.
"
GAE SDK 1.5.3 preview 出来了, 这会不知道有什么改进