On Mon, Aug 05, 2019 at 12:00:14PM +0530, Shital A wrote: > Hello, > > Need inputs on below: > > We are working on a setting up a new highly transactional (tps 100k) OLTP > system for payments using blockchain and postgresql 9.6 as DB on Rhel 7.6. > Postgres version is 9.6 and not latest because of specs of blockchain > component. > > There is a requirement for data compression on DB level. Please provide > your inputs on how this can be best achieved. > > Checked in-build Toast, it compressed the data provided exceed the 2kb > pagesize? If the data values are small and even if there are billion > records they wont be compressed, this is what I understood. > > Are there any suggestions of compressing older data irrespective of row > size transparently? > > Thanks. Hi, On RHEL/Centos you can use VDO filesystem compression to make an archive tablespace to use for older data. That will compress everything. Regards, Ken
