Re: zheap: a new storage format for PostgreSQL

On Fri, Mar 2, 2018 at 1:31 PM, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> wrote:

> On Fri, Mar 2, 2018 at 1:50 PM, Tsunakawa, Takayuki
> <tsunakawa(dot)takay(at)jp(dot)fujitsu(dot)com> wrote:
> > From: Amit Kapila [mailto:amit(dot)kapila16(at)gmail(dot)com]
> >> At EnterpriseDB, we (me and some of my colleagues) are working from more
> >> than a year on the new storage format in which only the latest version
> of
> >> the data is kept in main storage and the old versions are moved to an
> undo
> >> log. We call this new storage format "zheap". To be clear, this
> proposal
> >> is for PG-12.
> >
> > Wonderful! BTW, what "z" stand for? Ultimate?
> >
>
> There is no special meaning to 'z'. We have discussed quite a few
> names (like newheap, nheap, zheap and some more on those lines), but
> zheap sounds better. IIRC, one among Robert or Thomas has come up
> with this name.
>

I would propose "zero-bloat heap" disambiguation of zheap. Seems like fair
enough explanation for me without need to rename :)

------
Alexander Korotkov
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company