Re: Compression of full-page-writes

Robert Haas <robertmhaas@gmail.com> writes:
> On Mon, Oct 21, 2013 at 11:52 PM, Fujii Masao <masao.fujii@gmail.com> wrote:
>> So, our consensus is to introduce the hooks for FPW compression so that
>> users can freely select their own best compression algorithm?
>> Also, probably we need to implement at least one compression contrib module
>> using that hook, maybe it's based on pglz or snappy.

> I don't favor making this pluggable. I think we should pick snappy or
> lz4 (or something else), put it in the tree, and use it.

I agree.  Hooks in this area are going to be a constant source of
headaches, vastly outweighing any possible benefit.
        regards, tom lane