Re: WAL Rate Limiting

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От Andres Freund
Тема Re: WAL Rate Limiting
Дата
Msg-id 20140116162248.GD21170@alap3.anarazel.de
обсуждение исходный текст
Ответ на Re: WAL Rate Limiting  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: WAL Rate Limiting  (Simon Riggs <simon@2ndQuadrant.com>)
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On 2014-01-16 11:19:28 -0500, Tom Lane wrote:
> > I think the usecases that would want this for DML probably also wan this
> > to work for unlogged, temp tables.
> 
> Huh?  Unlogged tables generate *zero* WAL, by definition.

Yes. That's my point. If we provide it as a generic resource control -
which what's being discussed here sounds to me - it should be generic.

If we provide as a measure to prevent standbys from getting out of date
due to maintenance commands, then it only needs to cover those.

Greetings,

Andres Freund

-- Andres Freund                       http://www.2ndQuadrant.com/PostgreSQL Development, 24x7 Support, Training &
Services



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