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by blackoil 47 days ago
Gorilla by Facebook had this. Value is stored as delta and time as delta of delta.
2 comments
f311a 47 days ago
It's used in ClickHouse as well. CH supports all known compression algos and they are documented pretty well.
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lokar 47 days ago
They say they are using “gorilla compression “

I’m still amazed every time I go back and read how the compression for floating point values works.

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