On Fri, Feb 15, 2019 at 2:56 PM Bruce Klein <brucek@xxxxxxxxx> wrote: > > In 11.1 did you see the message "WARNING: could not flush dirty data: Function not implemented" > Yes I wonder if this is coming from sync_file_range(), which is not implemented on WSL according to random intergoogling, but probably appears as present to our configure script. I find it harder to believe they didn't implement fsync(). -- Thomas Munro http://www.enterprisedb.com