| ▲ | blackoil 4 hours ago | |
Gorilla by Facebook had this. Value is stored as delta and time as delta of delta. | ||
| ▲ | f311a 4 hours ago | parent | next [-] | |
It's used in ClickHouse as well. CH supports all known compression algos and they are documented pretty well. | ||
| ▲ | lokar 4 hours ago | parent | prev [-] | |
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. | ||