Dear Sawada-san, > It's not harmful in practice. I've considered waking up the postmaster > with a new PMSignalReason, but I thought it's overkill to introduce a > new reason just to wake up the postmaster. If there is a convenient > way, I'd like to use that.
It's not straightforward, but can we reuse SIGHUP signal for the purpose? This operation actually modifies the GUC parameter wal_level. One downside is that postmaster will propagated it to all processes, which is not required. Best regards, Hayato Kuroda FUJITSU LIMITED
