Fujii Masao wrote:
> In the 'replication-orig' branch, walreceiver fsyncs the previous XLOG
> file after receiving new XLOG records before writing them. This would
> increase the backend's waiting time for replication in synchronous case.
> The walreceiver should fsync the XLOG file after sending ACK (if needed)
> before receiving the next XLOG records?
I don't follow. Wareceiver does fsync the file just after writing it if
the fsync_requested flag was set in the message. Surely that would be
set in synchronous mode, that's what the flag is for, right?
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com