| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp> |
| Cc: | Ashutosh Bapat <ashutosh(dot)bapat(at)enterprisedb(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Async execution of postgres_fdw. |
| Date: | 2015-01-14 21:45:31 |
| Message-ID: | CA+TgmobL3c_4kK8k1SrZAffcTRYnQ3Jd7JhD0cpPP6yGiLsT2w@mail.gmail.com |
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On Tue, Jan 13, 2015 at 6:46 AM, Kyotaro HORIGUCHI
<horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp> wrote:
>> Is it possible to use the parallel query infrastructure being built by
>> Robert or to do something like parallel seq scan? That will work, not just
>> for Postgres FDW but all the FDWs.
>
> But, I think, from the performance view, every scan of multiple
> foreign scans don't need correnponding local process.
Quite so. I think this is largely a separate project.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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