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Author SHA1 Message Date
Bjoern Rabenstein d742edfe0d Fix precision loss. 
Large delta values often imply a difference between a large base value
and the large delta value, potentially resulting in small numbers with
a huge precision error. Since large delta values need 8 bytes anyway,
we are not even saving memory.

As a solution, always save the absoluto value rather than a delta once
8 bytes would be needed for the delta. Timestamps are then saved as 8
byte integers, while values are always saved as float64 in that case.

Change-Id: I01100d600515e16df58ce508b50982ffd762cc49
 2014-11-25 17:02:00 +01:00
Julius Volz e7ed39c9a6 Initial experimental snapshot of next-gen storage. 
Change-Id: Ifb8709960dbedd1d9f5efd88cdd359ee9fa9d26d
 2014-11-25 17:02:00 +01:00