| From: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com> |
|---|---|
| To: | Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com> |
| Cc: | Andrei Lepikhov <a(dot)lepikhov(at)postgrespro(dot)ru>, Alexey Ermakov <alexey(dot)ermakov(at)dataegret(dot)com>, pgsql-bugs(at)lists(dot)postgresql(dot)org |
| Subject: | Re: BUG #18349: ERROR: invalid DSA memory alloc request size 1811939328, CONTEXT: parallel worker |
| Date: | 2024-03-04 00:20:21 |
| Message-ID: | CA+hUKGLCor9+umOJxNuMH5Uqno82c3Douk0q78WAgW91sKVgJQ@mail.gmail.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-bugs |
On Mon, Mar 4, 2024 at 1:11 PM Thomas Munro <thomas(dot)munro(at)gmail(dot)com> wrote:
> ... This morning I've been
> wondering about a highly targeted solution to that: could we recognise
> this condition cheaply, and then activate a special case that spills a
> *bucket* to disk? That is, a problem bucket that is indivisible by
> hashing because all the hash values are the same. Or something like
> that.
(One of the main problems being how to manage the match bits for outer
joins, a big problem also for idea #2. But maybe it's somehow more
tractable there, I dunno. I'd need vastly more coffee to have any
idea...)
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Tom Lane | 2024-03-04 00:40:01 | Re: Record returning function accept not matched columns declaration |
| Previous Message | Thomas Munro | 2024-03-04 00:11:47 | Re: BUG #18349: ERROR: invalid DSA memory alloc request size 1811939328, CONTEXT: parallel worker |