I got the following numbers from my tpcc database: Data size: ~6059MB Index size: ~1390MB Total size: ~7400MB
Even considering index-only scans, the ratio of around 50% of the database pages being accessed seems unrealistic to me. On Wed, Oct 15, 2014 at 3:50 PM, Stephen Frost <sfr...@snowman.net> wrote: > * Lucas Lersch (lucasler...@gmail.com) wrote: > > So is it a possible normal behavior that running tpcc for 10min only > access > > 50% of the database? Furthermore, is there a guideline of parameters for > > tpcc (# of warehouses, execution time, operations weight)? > > Depends- you may be aware that we support index-only scans in certain > situations. This means that only the index page for a given relation > (and the visibility map) are accessed, and the heap is not. > > Thanks, > > Stephen > -- Lucas Lersch
