On Fri, Mar 2, 2018 at 1:31 PM, Amit Kapila <amit.kapil...@gmail.com> wrote:

> On Fri, Mar 2, 2018 at 1:50 PM, Tsunakawa, Takayuki
> <tsunakawa.ta...@jp.fujitsu.com> wrote:
> > From: Amit Kapila [mailto:amit.kapil...@gmail.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

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