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Author SHA1 Message Date
Julius Volz ae30453214 Add label names -> label values index. 
Change-Id: Ie39b4044558afc4d1aa937de7dcf8df61f821fb4
 2014-03-28 15:16:37 +01:00
Julius Volz 1eee448bc1 Store samples in custom binary encoding. 
This has been shown to provide immense decoding speed benefits.

See also:

https://groups.google.com/forum/#!topic/prometheus-developers/FeGl_qzGrYs

Change-Id: I7d45b4650e44ddecaa91dad9d7fdb3cd0b9f15fe
 2014-03-09 22:31:38 +01:00
Matt T. Proud 161c8fbf9b Include deletion processor for long-tail values. 
This commit extracts the model.Values truncation behavior into the actual
tiered storage, which uses it and behaves in a peculiar way—notably the
retention of previous elements if the chunk were to ever go empty.  This is
done to enable interpolation between sparse sample values in the evaluation
cycle.  Nothing necessarily new here—just an extraction.

Now, the model.Values TruncateBefore functionality would do what a user
would expect without any surprises, which is required for the
DeletionProcessor, which may decide to split a large chunk in two if it
determines that the chunk contains the cut-off time.
 2013-05-10 12:19:12 +02:00
Matt T. Proud 38d839d810 Include generated Protocol Buffers artifacts. 
This commit reduces the general compile time dependencies to omit
the Protocol Buffer compiler and the Go Protocol Buffer generator
tool.  The build steps to furnish them still remain, but they can
optionally be called if data.proto or config.proto are under work.
 2013-05-08 21:16:39 +02:00