Dear Fujii-san, > > One concern for me is that the WALs might be more likely to be missed for > > streaming replication case. What if the case walreceiver is bit busy thus > > send > > buffer becomes full for a while? > > Are there no issues because switchover after the walsender exits with FATAL > > is > > not recommended? > > I don't think this is problematic, since PostgreSQL has never guaranteed that > WAL data already in the send buffer will actually be delivered to the client > at walsender FATAL exit case. But do you see this differently?
Then it might be OK. I did not recognize the policy that it's not guaranteed at FATAL. Best regards, Hayato Kuroda FUJITSU LIMITED
