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by deepsun 2302 days ago
Yes, looks like it. According to these posts, ORC only uses snappy or zlib compression, while Clickhouse uses double-delta, Gorilla, and T64 algorithms.

https://engineering.fb.com/core-data/even-faster-data-at-the...

https://www.altinity.com/blog/2019/7/new-encodings-to-improv...