| From: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com> |
|---|---|
| To: | vignesh C <vignesh21(at)gmail(dot)com> |
| Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Yura Sokolov <y(dot)sokolov(at)postgrespro(dot)ru>, Andres Freund <andres(at)anarazel(dot)de> |
| Subject: | Re: Latches vs lwlock contention |
| Date: | 2023-03-04 19:50:30 |
| Message-ID: | CA+hUKG+q6UGK9S4RcJHHo9o24zsvhRd9g2faF1x4vCn3zdHQqQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Sat, Jan 28, 2023 at 3:39 AM vignesh C <vignesh21(at)gmail(dot)com> wrote:
> On Tue, 1 Nov 2022 at 16:40, Thomas Munro <thomas(dot)munro(at)gmail(dot)com> wrote:
> > Here's an attempt at that. There aren't actually any cases of uses of
> > this stuff in critical sections here, so perhaps I shouldn't bother
> > with that part. The part I'd most like some feedback on is the
> > heavyweight lock bits. I'll add this to the commitfest.
>
> The patch does not apply on top of HEAD as in [1], please post a rebased patch:
Rebased. I dropped the CV patch for now.
| Attachment | Content-Type | Size |
|---|---|---|
| v3-0001-Allow-palloc_extended-NO_OOM-in-critical-sections.patch | text/x-patch | 1.9 KB |
| v3-0002-Provide-SetLatches-for-batched-deferred-latches.patch | text/x-patch | 9.2 KB |
| v3-0003-Use-SetLatches-for-synchronous-replication-wakeup.patch | text/x-patch | 3.4 KB |
| v3-0004-Use-SetLatches-for-SERIALIZABLE-DEFERRABLE-wakeup.patch | text/x-patch | 4.6 KB |
| v3-0005-Use-SetLatches-for-heavyweight-locks.patch | text/x-patch | 14.1 KB |
| v3-0006-Don-t-re-acquire-LockManager-partition-lock-after.patch | text/x-patch | 6.2 KB |
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