On Tue, Aug 23, 2022 at 4:57 AM Tom Lane <tgl@xxxxxxxxxxxxx> wrote: > 0001 adds a para about how to raise the listen queue length. + service the requests, with those clients receiving unhelpful + connection failure errors such as <quote>Resource temporarily + unavailable</quote>. LGTM but I guess I would add "... or Connection refused"? > 0002 isn't quite related, but while writing 0001 I noticed a nearby > use of /proc/sys/... which I thought should be converted to sysctl. > IMO /proc/sys pretty much sucks, at least for documentation purposes, > for multiple reasons: +1 > 0003 removes PG_SOMAXCONN. While doing that I noticed that this > computation hadn't been touched throughout all the various > changes fooling with exactly what gets counted in MaxBackends. > I think the most appropriate definition for the listen queue > length is now MaxConnections * 2, not MaxBackends * 2, because > the other processes counted in MaxBackends don't correspond to > incoming connections. +1 > I propose 0003 for HEAD only, but the docs changes could be > back-patched. +1