From: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com> |
---|---|
To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
Cc: | Magnus Hagander <magnus(at)hagander(dot)net>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Reporting WAL file containing checkpoint's REDO record in pg_controldata's result |
Date: | 2012-03-23 16:42:51 |
Message-ID: | CAHGQGwHh7z5_GAc+w0kA5=UWBv3nxifjXW=_J=qaxDh-zxh0tw@mail.gmail.com |
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Lists: | pgsql-hackers |
On Fri, Mar 23, 2012 at 9:41 PM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
> On Fri, Mar 23, 2012 at 6:13 AM, Fujii Masao <masao(dot)fujii(at)gmail(dot)com> wrote:
>> On Fri, Mar 23, 2012 at 5:56 PM, Magnus Hagander <magnus(at)hagander(dot)net> wrote:
>>> Might it be a good idea to put it on it's own row instead of changing
>>> the format of an existing row, in order not to break scripts and
>>> programs that are parsing the previous output?
>>
>> Good idea! What row name should we use for the WAL file containing
>> REDO record? "Latest checkpoint's REDO file"?
>
> Sounds good to me. I like the idea, too. The status quo is an
> unnecessary nuisance, so this will be a nice usability improvement.
Attached patch adds new row "Latest checkpoint's REDO WAL segment:" into
the result of pg_controldata. I used the term "WAL segment" for the row name
instead of "file" because "WAL segment" is used in another row "Bytes per WAL
segment:". But better name?
Regards,
--
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center
Attachment | Content-Type | Size |
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pg_controldata_walfilename_v2.patch | application/octet-stream | 1.5 KB |
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