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M

Maglev
- “a large, distributed software system”, the basis for the network load balancer in Cloud Load Balancing.
MIG = Managed Instance Group
- A group of identical instances sharing an instance template, and which can be resized
- typically used with autoscaler but doesn't have to
- regional or zonal
Monitoring
- Per the SRE books: collecting, processing, aggregating and displaying *real-time quantitative data* about a system, such as
  - query counts and types
  - error counts and types
  - processing times
  - server lifetimes