On Thu, Aug 29, 2013 at 7:55 PM, Fujii Masao <masao(dot)fujii(at)gmail(dot)com> wrote:
> [the amount of WAL generated during running pgbench]
> 4302 MB (compress_backup_block = off)
> 1521 MB (compress_backup_block = on)
Interesting.
I wonder, what is the impact on recovery time under the same
conditions? I suppose that the cost of the random I/O involved would
probably dominate just as with compress_backup_block = off. That said,
you've used an SSD here, so perhaps not.
--
Peter Geoghegan