MySql CPU Consumtions Monitoring
This is the key question đź‘Ť. With MariaDB/MySQL the trick is: “high CPU” doesn’t always show up as long queries […]
Kafka: Consumer Group vs Worker vs Thread vs Consumer Instance vs Topic vs Partitions
1) Quick definitions (the mental model) 2) How messages land in partitions Rule of thumb: choose a key that spreads […]
What is Fault tolerance?
Fault tolerance is a system’s ability to keep meeting its SLOs despite expected failures—machines dying, networks flaking, processes crashing, disks […]
What is Redundancy?
Redundancy is the deliberate duplication of critical components or paths so that a failure doesn’t violate your SLOs. Put simply: […]