| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Dilip Kumar <dilipbalaut(at)gmail(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Andres Freund <andres(at)2ndquadrant(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Relation extension scalability |
| Date: | 2016-03-04 16:31:42 |
| Message-ID: | 8172.1457109102@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> This approach seems good to me, and the performance results look very
> positive. The nice thing about this is that there is not a
> user-configurable knob; the system automatically determines when
> larger extensions are needed, which will mean that real-world users
> are much more likely to benefit from this. I don't think it matters
> that this is a little faster or slower than an approach with a manual
> knob; what matter is that it is a huge improvement over unpatched
> master, and that it does not need a knob. The arbitrary constant of
> 10 is a little unsettling but I think we can live with it.
+1. "No knob" is a huge win.
regards, tom lane
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