| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | "Graeme B(dot) Bell" <graeme(dot)bell(at)nibio(dot)no> |
| Cc: | Merlin Moncure <mmoncure(at)gmail(dot)com>, postgres performance list <pgsql-performance(at)postgresql(dot)org> |
| Subject: | Re: Hmmm... why does pl/pgsql code parallelise so badly when queries parallelise fine? Anyone else seen this? |
| Date: | 2015-07-08 11:20:43 |
| Message-ID: | 20150708112043.GK10242@alap3.anarazel.de |
| Views: | Whole Thread | Raw Message | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-performance |
On 2015-07-08 11:13:04 +0000, Graeme B. Bell wrote:
> I'm guessing you are maybe pressed for time at the moment because I
> already clearly included this on the last email, as well as the links
> to the alternative benchmarks with the same problem I referred to on
> both of my last emails which are also trivial to drop into pgbench
> (cut/paste).
You realize that you want something here, not Merlin, right?
> e.g. did you see these parts of my previous email
>
> "To clear up the issue I build a little test harness around your comment below."
> "http://github.com/gbb/ppppt"
Well, that requires reviewing the source code of the run script and
such.
I think we shouldn't discuss this on two threads (-performance, -bugs),
that makes it hard to follow. Given Tom's more detailed answer I think
the -bugs thread already contains more pertinent information.
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Craig James | 2015-07-08 17:48:07 | Re: Hmmm... why does CPU-intensive pl/pgsql code parallelise so badly when queries parallelise fine? Anyone else seen this? |
| Previous Message | Graeme B. Bell | 2015-07-08 11:13:04 | Re: Hmmm... why does pl/pgsql code parallelise so badly when queries parallelise fine? Anyone else seen this? |