On 08/08/2014 06:17 AM, Tom Lane wrote: > I looked into the issue reported in bug #11109. The problem appears to be > that jsonb's on-disk format is designed in such a way that the leading > portion of any JSON array or object will be fairly incompressible, because > it consists mostly of a strictly-increasing series of integer offsets. How hard and how expensive would it be to teach pg_lzcompress to apply a delta filter on suitable data ?
So that instead of integers their deltas will be fed to the "real" compressor -- Hannu Krosing PostgreSQL Consultant Performance, Scalability and High Availability 2ndQuadrant Nordic OÜ -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
