| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | David Rowley <dgrowleyml(at)gmail(dot)com> |
| Cc: | Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Robert Haas <robertmhaas(at)gmail(dot)com>, Yura Sokolov <y(dot)sokolov(at)postgrespro(dot)ru>, PostgreSQL Developers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Reducing the chunk header sizes on all memory context types |
| Date: | 2022-09-01 04:19:21 |
| Message-ID: | 292510.1662005961@sss.pgh.pa.us |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
David Rowley <dgrowleyml(at)gmail(dot)com> writes:
> On Thu, 1 Sept 2022 at 16:06, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> It doesn't seem to be fixing any live bug in the back branches,
>> but by the same token it's harmless.
> I considered that an extension might use the Slab allocator with a
> non-MAXALIGNED chunksize and might run into some troubles during
> SlabCheck().
Oh, yeah, the sentinel_ok() change is a live bug. Extensions
have no control over sizeof(SlabBlock) though.
regards, tom lane
| From | Date | Subject | |
|---|---|---|---|
| Next Message | David Rowley | 2022-09-01 04:19:37 | Re: FOR EACH ROW triggers, on partitioend tables, with indexes? |
| Previous Message | David Rowley | 2022-09-01 04:08:10 | Re: Reducing the chunk header sizes on all memory context types |