| From: | Japin Li <japinli(at)hotmail(dot)com> |
|---|---|
| To: | Simon Riggs <simon(dot)riggs(at)enterprisedb(dot)com> |
| Cc: | Julien Tachoires <julmon(at)gmail(dot)com>, Dilip Kumar <dilipbalaut(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, pgsql-hackers(at)lists(dot)postgresql(dot)org |
| Subject: | Re: SUBTRANS: Minimizing calls to SubTransSetParent() |
| Date: | 2022-11-15 13:31:14 |
| Message-ID: | MEYP282MB1669BB462812F428CB7D4A9FB6049@MEYP282MB1669.AUSP282.PROD.OUTLOOK.COM |
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| Lists: | pgsql-hackers |
On Tue, 15 Nov 2022 at 17:34, Simon Riggs <simon(dot)riggs(at)enterprisedb(dot)com> wrote:
> On Mon, 7 Nov 2022 at 21:14, Simon Riggs <simon(dot)riggs(at)enterprisedb(dot)com> wrote:
>
>> These results are compelling, thank you.
>>
>> Setting this to Ready for Committer.
>
> New version attached.
Take a quick look, I think it should be PGPROC instead of PG_PROC, right?
+ * 1. When there's no room in PG_PROC, as mentioned above.
+ * During XactLockTableWait() we sometimes need to know the topxid.
+ * If there is room in PG_PROC we can get a subxid's topxid direct
+ * from the procarray if the topxid is still running, using
--
Regrads,
Japin Li.
ChengDu WenWu Information Technology Co.,Ltd.
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