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A comment on Bitpacking and Compression of Sparse Datasets.

Re:Bitpacking and Compression of Sparse Datasets by Const-me on Friday January 06, 2017 @11:58PM (#13342437)
I recently used LZ4 compression to save RAM used by infrequency accessed data in my app.

LZ4 is 1.5 times faster than Snappy, the compression however is better:

https://www.percona.com/blog/2016/04/13/evaluating-database-...

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