On Thu, May 12, 2022 at 01:59:36PM +1200, Thomas Munro wrote:
> On Thu, May 12, 2022 at 12:53 PM Bruce Momjian wrote:
> >
> >
> > Improve performance and reduce memory consumption of in-memory
> > sorts (Ronan Dunklau, David Rowley, Thomas Munro)
> >
> >
On Thu, May 12, 2022 at 12:53 PM Bruce Momjian wrote:
>
>
> Improve performance and reduce memory consumption of in-memory
> sorts (Ronan Dunklau, David Rowley, Thomas Munro)
>
>
I'd also add John Naylor here, as he did a lot of work to validate
On Thu, May 12, 2022 at 10:38:42AM +1200, David Rowley wrote:
> On Wed, 11 May 2022 at 14:38, Justin Pryzby wrote:
> > I wonder if this is also relevant.
> >
> > 65014000b35 Replace polyphase merge algorithm with a simple balanced k-way
> > merge.
>
> Thanks for highlighting that. It very much i
On Wed, 11 May 2022 at 14:38, Justin Pryzby wrote:
> I wonder if this is also relevant.
>
> 65014000b35 Replace polyphase merge algorithm with a simple balanced k-way
> merge.
Thanks for highlighting that. It very much is relevant. In fact, it
seems to account for most of the 25% I mentioned. T
On Wed, 11 May 2022 at 14:38, Justin Pryzby wrote:
>
> On Wed, May 11, 2022 at 12:39:41PM +1200, David Rowley wrote:
> > I think the sort improvements done in v15 are worth a mention under
> > General Performance. The commits for this were 91e9e89dc, 40af10b57
> > and 697492434. I've been runnin
On Wed, May 11, 2022 at 12:39:41PM +1200, David Rowley wrote:
> I think the sort improvements done in v15 are worth a mention under
> General Performance. The commits for this were 91e9e89dc, 40af10b57
> and 697492434. I've been running a few benchmarks between v14 and v15
> over the past few day
