| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Kevin Grittner <Kevin(dot)Grittner(at)wicourts(dot)gov>, Andrew Dunstan <andrew(at)dunslane(dot)net>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Review: Revise parallel pg_restore's scheduling heuristic |
| Date: | 2009-07-29 11:01:42 |
| Message-ID: | 603c8f070907290401v4706fe37gd6a687a4870e7cd2@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Tue, Jul 28, 2009 at 9:52 PM, Tom Lane<tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Robert Haas <robertmhaas(at)gmail(dot)com> writes:
>> The other possibility here is that this just doesn't work. :-)
>
> That's why we wanted to test it ;-).
>
> I don't have time to look right now, but ISTM the original discussion
> that led to making that patch had ideas about scenarios where it would
> be faster. It'd be worth digging that up and seeing if the current
> tests covered the case or not.
This is what I've been able to find on a quick look:
http://archives.postgresql.org/pgsql-hackers/2009-05/msg00678.php
Sounds like Kevin may want to try renaming some of his indices to
produce intermingling...
...Robert
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