| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Christoph Berg <myon(at)debian(dot)org>, Bruce Momjian <bruce(at)momjian(dot)us>, Stephen Frost <sfrost(at)snowman(dot)net>, Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>, Craig Ringer <craig(dot)ringer(at)2ndquadrant(dot)com>, Jim Nasby <Jim(dot)Nasby(at)bluetreble(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, Andres Freund <andres(at)anarazel(dot)de> |
| Subject: | Re: Renaming of pg_xlog and pg_clog |
| Date: | 2016-10-20 15:11:50 |
| Message-ID: | CA+TgmoYWdoPqDA5Gd4o_rLqbk3-yCRvg3=b7BfkjVwJ_zR+0Ow@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Oct 19, 2016 at 7:05 AM, Christoph Berg <myon(at)debian(dot)org> wrote:
> (tl;dr: rename pg_xlog yes, rename pg_resetxlog only if we have a good
> alternative.)
I'm amused by the idea of a TL;DR in parentheses at the very bottom of
the email, but maybe I'm just easily amused.
One idea would be to rename pg_resetxlog to pg_resetwal. I think
that's actually an improvement. The "x" in "xlog" is not a clear
abbreviation for "write-ahead", especially when we also use "x" in
other contexts to mean "transaction" - think "xid". Given our current
practices, we could justifiably rename pg_clog to pg_xlog -- after
all, that's where we log the status of the xacts. Ugh.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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