| From: | Peter Geoghegan <pg(at)bowt(dot)ie> |
|---|---|
| To: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
| Cc: | PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Robert Haas <robertmhaas(at)gmail(dot)com> |
| Subject: | Re: Hash index bucket split bug |
| Date: | 2026-07-09 16:31:53 |
| Message-ID: | CAH2-Wz=qCx-2fpB0vec3fTGOnY8=mJ3O+6JY5V+V+mWDxV=fXQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Thu, Jul 9, 2026 at 11:24 AM Peter Geoghegan <pg(at)bowt(dot)ie> wrote:
> Attached v2 has a more stable version of the isolation test (no other
> changes compared to V1). Does this version work for you?
I ran this against CI, and saw failures on 32-bit meson tied to tuple
alignment. When MAXALIGN is 4, the assumptions about page layout
underlying the test case break.
Attached is V3, which directly addresses the alignment issue, and
fully passes CI.
--
Peter Geoghegan
| Attachment | Content-Type | Size |
|---|---|---|
| v3-0001-Fix-hash-index-scans-concurrent-with-bucket-split.patch | application/x-patch | 2.7 KB |
| v3-0002-Add-tests-for-hash-index-scans-concurrent-with-bu.patch | application/x-patch | 18.4 KB |
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