| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Kevin Grittner <Kevin(dot)Grittner(at)wicourts(dot)gov> |
| Cc: | Simon Riggs <simon(at)2ndquadrant(dot)com>, Josh Berkus <josh(at)agliodbs(dot)com>, Alvaro Herrera <alvherre(at)commandprompt(dot)com>, Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, pgsql-hackers(at)postgresql(dot)org, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Subject: | Re: pg_start_backup and pg_stop_backup Re: Re: [COMMITTERS] pgsql: Make CheckRequiredParameterValues() depend upon correct |
| Date: | 2010-05-03 18:59:24 |
| Message-ID: | AANLkTilnGeGkVQbzS29UXAf-0A0gsLQnZ4HUiiG4ndY6@mail.gmail.com |
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On Mon, May 3, 2010 at 2:54 PM, Kevin Grittner
<Kevin(dot)Grittner(at)wicourts(dot)gov> wrote:
> Simon Riggs <simon(at)2ndQuadrant(dot)com> wrote:
>> On Fri, 2010-04-30 at 13:41 -0500, Kevin Grittner wrote:
>
>>> Surely it would confuse people to see they have fewer than
>>> min_wal_segments WAL segments.
>>
>> That does sound like a reasonable argument, though it also applies
>> to wal_keep_segments, so isn't an argument either way. The user
>> will be equally confused to see fewer WAL files than they have
>> asked to "keep".
>
> The definitions of "keep" in my dictionary include "to restrain from
> removal" and "to retain in one's possession". It defines "minimum"
> as "the least quantity assignable, admissible, or possible".
It's really both of those things, so we could call it
wal_min_keep_segments, but I think an even better name would be
bikeshed_segments.
...Robert
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