Listen to rm-rf. Way back when (2003-2004), I was involved in Walmart's supply chain managament software. I recall a few million rows to be optimized every day

Listen to rm-rf. Way back when (2003-2004), I was involved in Walmart's supply chain managament software. I recall a few million rows to be optimized every day (before noon, so the hundreds of trucks plying the road can move things around efficiently).