That last nine in a trading system uptime has exponentially low value unless you have customers who care quite a lot.
Seriously, suppose you have a truly awesome system making $100B per year of revenue. If you unnecessarily shut down 0.1% of the time, that’s only $100M per year lost, and an 0.1% unnecessary shutdown rate seems pretty high.
Seriously, suppose you have a truly awesome system making $100B per year of revenue. If you unnecessarily shut down 0.1% of the time, that’s only $100M per year lost, and an 0.1% unnecessary shutdown rate seems pretty high.