Tag Archives: AppEngine

Google App Engine scalability that doesn’t just work

Now that I’ve got enough of Project Fangorn’s features implemented for it to be playable, I spent some time reflecting on the experience of utilizing Google App Engine’s datastore and it strikes me that there are things about it that … Continue reading

Posted in Web development | Tagged , , , , , | Leave a comment

Does demand exist for third party extension to GAE’s Datastore API?

On this post I had stated I’d like third party extension to Google App Engine’s Datastore API that provided: Transactions spanning entity groups Checkpoints and journaling to allow rollback to a good state Schema version management and that I locate … Continue reading

Posted in Web development | Tagged , , , | Leave a comment

Light Web Strategy Game data model smacks into GAE limitations

As I mentioned in my last post, I had previously known that GAE could only operate on entities from one group in a transaction and had designed my data model to account for this, but recently came across information that … Continue reading

Posted in Coding, Game Development, Web development | Tagged , , , , | 3 Comments

GAE docs hint at limits but provide no clue as to magnitude

This page of the GAE docs states: To prevent the update of an entity from taking too long, the datastore limits the number of index entries that a single entity can have. The limit is large, and most applications will … Continue reading

Posted in Web development | Tagged , , , | 1 Comment

GAE goodness and badness

GAE’s inherent logging facilities are pretty good and easily brought a couple of bugs in my prototype to my attention. That’s the goodness. The badness is that GAE’s datastore doesn’t appear to have any sort of inherint journaling or rollback … Continue reading

Posted in Game Development, Web development | Tagged , , , | Leave a comment