| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Andres Freund <andres(at)anarazel(dot)de> |
| Cc: | bossartn(at)amazon(dot)com, Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>, michael(at)paquier(dot)xyz, sulamul(at)gmail(dot)com, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: inefficient loop in StandbyReleaseLockList() |
| Date: | 2021-11-06 18:06:12 |
| Message-ID: | 588672.1636221972@sss.pgh.pa.us |
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| Thread: | |
| Lists: | pgsql-hackers |
I wrote:
> Hm. I think it's not the only list function with O(N) behavior;
> in fact there used to be more such functions than there are now.
> But I could get behind a patch that annotates all of them.
Here's a quick hack at that. Having done it, I'm not sure if it's
really worth the trouble or not ... thoughts?
regards, tom lane
| Attachment | Content-Type | Size |
|---|---|---|
| add-performance-notes-to-list-functions.patch | text/x-diff | 7.1 KB |
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