On Mon, Jun 28, 2010 at 3:36 AM, Sachin Kumar <Sachin.Ku at globallogic.com> wrote:
> -         During this time (while replication is in progress), postgres
> stops responding, i.e. we couldn’t even fetch the number of entries in any
> table (X, Y, etc).

My guess is that your hardware is underpowered, and simply cannot
handle the load of doing all the replication work and the normal
queries.