| From: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com> |
|---|---|
| To: | Fujii Masao <masao(dot)fujii(at)oss(dot)nttdata(dot)com> |
| Cc: | Bruce Momjian <bruce(at)momjian(dot)us>, Paul Guo <guopa(at)vmware(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Michael Brown <michael(dot)brown(at)discourse(dot)org>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: fdatasync performance problem with large number of DB files |
| Date: | 2021-03-19 01:37:11 |
| Message-ID: | CA+hUKG+jOK-0ZbCAiTwPx8_ajfRs9cAgkFf4BodfQiE9G+3n1w@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Fri, Mar 19, 2021 at 2:16 PM Thomas Munro <thomas(dot)munro(at)gmail(dot)com> wrote:
> PS: For illustration/discussion, I've also attached a "none" patch. I
> also couldn't resist rebasing my "wal" mode patch, which I plan to
> propose for PG15 because there is not enough time left for this
> release.
Erm... I attached the wrong version by mistake. Here's a better one.
(Note: I'm not expecting any review of the 0003 patch in this CF, I
just wanted to share the future direction I'd like to consider for
this problem.)
| Attachment | Content-Type | Size |
|---|---|---|
| v5-0001-Provide-recovery_init_sync_method-syncfs.patch | text/x-patch | 10.9 KB |
| v5-0002-Provide-recovery_init_sync_method-none.patch | text/x-patch | 3.7 KB |
| v5-0003-Provide-recovery_init_sync_method-wal.patch | text/x-patch | 16.7 KB |
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