Sorry, right - somehow I was off by a factor of 10^3. As others said - should work fine, just make sure you disable indexes on any properties that do not absolutely need them.
Jeff On Tue, Apr 20, 2010 at 3:05 AM, djidjadji <djidja...@gmail.com> wrote: > 1TB = 1024 GB = 1024 x 1024 MB = 1024^4 byte = 1.1x10^12 byte > if you have 500x10^6 entries of 7KB you need > 500x10^6 x 7x1024 = 3.584x10^12 bytes = 3.26TB > > But this is only the RAW data need, if you take the indices into > account it would be even larger. db.TextProperty and db.BlobProperty > don't use index storage. All the other properties can be given the > "indexed=False" argument. > > But do you need to create all the tiles at the start of the game? > It is very unlikely that all the tiles will contain something interesting. > Why not only store the tiles that are not-default and if you want a > not stored tile > return an object with the right key_name that if modified and put() in > the datastore would represent this "new" tile. > And is the json content compressible? > Then you can use a custom property that compresses the content and > stores it in a db.BlobProperty. And uncompress at retrieval. > > 2010/4/20 Shinichi Nakanishi <stouton...@gmail.com>: >> I think 500M * 7KB = 3.5TB. Sorry if I'm wrong. >> > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine" group. > To post to this group, send email to google-appeng...@googlegroups.com. > To unsubscribe from this group, send email to > google-appengine+unsubscr...@googlegroups.com. > 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 google-appeng...@googlegroups.com. To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.
