| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Heikki Linnakangas <hlinnaka(at)iki(dot)fi> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: hyrax vs. RelationBuildPartitionDesc |
| Date: | 2019-03-15 12:22:54 |
| Message-ID: | CA+Tgmoa4bdSsT_frTLpESdo0x95RUVJ_HyuTuhqPD=DVBAM_+w@mail.gmail.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On Fri, Mar 15, 2019 at 3:32 AM Heikki Linnakangas <hlinnaka(at)iki(dot)fi> wrote:
> We maintain a free list of AllocSetContexts nowadays, so creating a
> short-lived context should be pretty cheap. Or if it's still too
> expensive, we could create one short-lived context as a child of
> TopMemoryContext, and reuse that on every call, resetting it at the end
> of the function.
Relcache rebuild is reeentrant, I think, so we have to be careful about that.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Michael Paquier | 2019-03-15 12:23:09 | Re: Offline enabling/disabling of data checksums |
| Previous Message | Michael Banck | 2019-03-15 11:54:01 | Re: Offline enabling/disabling of data checksums |