On Fri, Feb 09, 2018 at 05:08:23PM +0900, Kyotaro HORIGUCHI wrote: > > postgres: max_wal_senders must be less than max_connections > > I think that we can safely increase the fallback value to 20 with > which regtests are known not to fail. I believe that is > preferable than explicitly reducing max_wal_senders in the > generated config file. I confirmed that tegtest won't fail with > the value. (Except with permanent failure of dynamic shared > memory)
I would vote for just removing the minimum check at 10 connections as you do. It is not worth the code complication in initdb to decrease max_wal_senders if max_connections is set to 10, which does not happen even on definitely-not-decent hardware of those days like a RPI (memories from my hamster, RIP, which set max_connections to 100). -- Michael
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