| From: | Feike Steenbergen <feikesteenbergen(at)gmail(dot)com> |
|---|---|
| To: | Eduard Stepanov <crtxcz(at)gmail(dot)com> |
| Cc: | Induja Sreekanthan <indujas(at)google(dot)com>, pgsql-hackers(at)postgresql(dot)org, Simhachala Sasikanth Gottapu <simhachala(at)google(dot)com>, Vishal Bagga <vishalbagga(at)google(dot)com>, Madhukar <madhukarprasad(at)google(dot)com>, Shihao Zhong <shihaozhong(at)google(dot)com>, Yi Ding <yidin(at)google(dot)com>, Hardik Singh Negi <hardiksnegi(at)google(dot)com> |
| Subject: | Re: BUG: ReadStream look-ahead exhausts local buffers when effective_io_concurrency>=64 |
| Date: | 2026-05-06 12:47:46 |
| Message-ID: | CAK_s-G0EAZzDAzkQi8QxcpS=C1j0h=Xufi6ab-arA0j3rJhKBg@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, 6 May 2026 at 14:24, Feike Steenbergen <feikesteenbergen(at)gmail(dot)com>
wrote:
> For now, the problem disappears again when switching to io_method='worker'
I spoke too soon it seems. It happens less frequently, but we do still have
the issue even with io_method='worker'.
Reverting to io_method='sync' as I would expect that will solve the issue.
Feike
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