| From: | Simon Riggs <simon(at)2ndquadrant(dot)com> |
|---|---|
| To: | Andres Freund <andres(at)anarazel(dot)de> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Pluggable storage |
| Date: | 2016-08-18 07:58:11 |
| Message-ID: | CANP8+jKK90ssE2+tZuJkvkDk=EM__jF_GDcJNzZabvb-qJ9c9w@mail.gmail.com |
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| Lists: | pgsql-hackers |
On 16 August 2016 at 19:46, Andres Freund <andres(at)anarazel(dot)de> wrote:
> On 2016-08-15 12:02:18 -0400, Robert Haas wrote:
>> Thanks for taking a stab at this. I'd like to throw out a few concerns.
>>
>> One, I'm worried that adding an additional layer of pointer-jumping is
>> going to slow things down and make Andres' work to speed up the
>> executor more difficult. I don't know that there is a problem there,
>> and if there is a problem I don't know what to do about it, but I
>> think it's something we need to consider.
>
> I'm quite concerned about that as well.
This objection would apply to all other proposals as well, FDW etc..
Do you see some way to add flexibility yet without adding a branch
point in the code?
--
Simon Riggs http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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