On Sun, May 1, 2011 at 9:31 PM, Simon Riggs <simon@2ndquadrant.com> wrote:
> I don't think the performance of replication is at issue. This is
> about resource control.
>
The unspoken question here is why would replication be affected by i/o
load anyways? It's reading data file buffers that have only recently
been written and should be in cache. I wonder if this system has
chosen O_DIRECT or something like that for writing out wal?
--
greg