Re: alternative compression algorithms?

On Mon, Apr 20, 2015 at 9:03 AM, Tomas Vondra
<tomas.vondra@2ndquadrant.com> wrote:
> Sure, it's not an ultimate solution, but it might help a bit. I do have
> other ideas how to optimize this, but in the planner every milisecond
> counts. Looking at 'perf top' and seeing pglz_decompress() in top 3.

I suggested years ago that we should not compress data in
pg_statistic.  Tom shot that down, but I don't understand why.  It
seems to me that when we know data is extremely frequently accessed,
storing it uncompressed makes sense.

-- 
Robert Haas
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