On Feb 28, 2018, at 8:46 AM, Nagy László Zsolt <gandalf@xxxxxxxxxxxx> wrote: > > Another problem with rsync might be that it does not know if a WAL file > on the source side is growing (e.g. being written) and it might start > copy that before it is fully flushed to disk. I see this as a big > problem, but I don't have experience. You use rsync in the archive command, not by itself. Postgres does not try to copy the file until it is ready. > E.g. move the file into the archive dir only after it has been fully > copied to the destination volume. But then we still have the problem of > partially written files on the slave side. No, you do not have that problem at all. Given an unreliable network, you probably do want to use --partial -- Scott Ribe https://www.linkedin.com/in/scottribe/ (303) 722-0567
