Hello team,
We have serious performance issues with a production EDB 9.2AS installation
The issue is mostly related to storage I/O bottlenecks during peak hours
and we are looking for tunables on any level that could reduce the I/O
spikes on SAN and improve overall DB performance.
Our storage ar
On Mon, Aug 5, 2013 at 11:28 PM, Tomas Vondra wrote:
> Hi,
>
> On 5.8.2013 17:55, Tasos Petalas wrote:
> >
> > Seems most of the I/O is caused by SELECT backend processes (READ),
> > whereas (WRITE) requests of wal writer and checkpointer processes do
&