> Our evaluation result is as follows:
> Database size: 2GB
> WAL size (after 10hours pgbench run): 48.3GB
> gzipped size: 8.8GB
> removal of the physical log: 2.36GB
> fullpage_writes=off log size: 2.42GB
> I'm planning to do archive log size evalutation with other benchmarks
> such as DBT-2 as well.
Looks promising :-)
Did you use the standard 5 minute checkpoint_timeout?
Very nice would be a run with checkpoint_timeout increased
to 30 min, because that is what you would tune if you are concerned
about fullpage overhead.
Andreas