Re: WAL Rate Limiting

On 16 January 2014 17:22, Andres Freund <andres@2ndquadrant.com> wrote:
> 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 If we provide as a measure to prevent standbys from getting out of date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.

Agreed, but it won't happen in this release. I/O resource control to
follow in later releases.

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