On Thu, Sep 11, 2014 at 09:37:07AM -0300, Arthur Silva wrote: > I agree that there's no reason to fix an algorithm to it, unless maybe it's > pglz.
Yes, it seems difficult to judge only the algorithm performance.
We have to start to consider source code maintenance, quality and the other factors..
The big (huge) win for lz4 (not the HC variant) is the enormous compression and decompression speed. It compresses quite a bit faster (33%) than snappy and decompresses twice as fast as snappy.
Show us the evidence. Postgres members showed the test result and them consideration.