2 ms·

I don't know exactly how the replication in postgres works, but I can think of scenarios where bit flipping in RAM gets propagated to the slave(s) (e.g., newly-

by pfg 13y ago

I don't know exactly how the replication in postgres works, but I can think of scenarios where bit flipping in RAM gets propagated to the slave(s) (e.g., newly-generated data which currently resides only in RAM gets corrupted and then fsync'd to disk, at which point it gets replicated). The real question is, why on earth would they use non-ECC memory on their database server.

runarb 13y ago
> The real question is, why on earth would they use non-ECC memory on their database server. Perhaps because the database server is a cloud server from someone like Amazon, Mediatemple or Linode where you have no control on the underlying hardware.