Alvaro Herrera wrote:

Two comments still apply:

- I haven't done anything yet w.r.t. the custom vacuum_delay nor sleep
 scale factor.

I don't think we need the sleep scaling factor. Before we had vacuum delay settings, it might have been useful as a means of throttling down the impact of autovacuum, but I think the delay settings are the better way to go.

As for the custom vacuum_delay settings, Tom Lane's commented that it probably wasn't needed. However I and several others responded saying that it probably would be useful for certain use cases. I'm still not sure how compelling that case is but it seems like a simple addition. Perhaps this is something we can add for 8.2 if people seem to want it.

- There are still no docs.

I'm on the hook for this and will start working on them next week.

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