On Fri, Sep 16, 2016 at 7:03 PM, Robert Haas <robertmh...@gmail.com> wrote:

> On Thu, Sep 15, 2016 at 11:39 PM, Pavan Deolasee
> <pavan.deola...@gmail.com> wrote:
> > But I actually wonder if we are over engineering things and
> overestimating
> > cost of memmove etc. How about this simpler approach:
> Don't forget that you need to handle the case where
> maintenance_work_mem is quite small.
How small? The default IIRC these days is 64MB and minimum is 1MB. I think
we can do some special casing for very small values and ensure that things
at the very least work and hopefully don't regress for them.


 Pavan Deolasee                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services

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