Re: zheap: a new storage format for PostgreSQL

On Fri, Mar 2, 2018 at 1:50 PM, Tsunakawa, Takayuki
<tsunakawa.takay@jp.fujitsu.com> wrote:
> From: Amit Kapila [mailto:amit.kapila16@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.