Re: slab allocator performance issues

On Tue, 20 Dec 2022 at 21:19, John Naylor <john.naylor@enterprisedb.com> wrote:
>
>
> On Tue, Dec 20, 2022 at 10:36 AM David Rowley <dgrowleyml@gmail.com> wrote:
> >
> > I'm planning on pushing the attached v3 patch shortly. I've spent
> > several days reading over this and testing it in detail along with
> > adding additional features to the SlabCheck code to find more
> > inconsistencies.
>
> FWIW, I reran my test from last week and got similar results.

Thanks a lot for testing that stuff last week.  I got a bit engrossed
in the perf weirdness and forgot to reply.  I found they made much
more sense after using palloc0 and touching the allocated memory just
before freeing.  I think this is a more realistic test.

I've now pushed the patch after making a small adjustment to the
version I sent earlier.

David