In this chapter, we will learn how we should react when outages inevitably occur and how to prepare ourselves for them. We will cover the following recipes in this chapter:
- Determining acceptable losses
- Configuration - getting it right the first time
- Configuration - managing scary settings
- Identifying important tables
- Defusing cache poisoning
- Exploring the magic of virtual IPs
- Terminating rogue connections
- Reducing contention with concurrent indexes
- Managing system migrations
- Managing software upgrades
- Mitigating the impact of hardware failure
- Applying bonus kernel tweaks
