Look at this article:
http://code.google.com/appengine/articles/storage_breakdown.html
As I recall it explains how everything is stored.
Robert
On Mar 27, 2010, at 9:24, ZS <[email protected]> wrote:
Regarding the list of datatypes supported by the App Engine Datastore
http://code.google.com/appengine/docs/java/datastore/dataclasses.html#Core_Value_Types
is there a list of how many bytes each value takes towards the maximum
of 1MB per entity?
Does a string take variable length or always 500bytes? Does a blob use
just its actual size? Does the key count towards the 1MB limit and how
much?
What is the most efficient way in terms of #bytes to have a property
value which points at another entity. Currently I use a "serialized"
key but it seems kind of long in terms of #bytes and only uses base-64
(6bits per byte) - should I compact it somehow?
Thanks
ZS
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