Tips from - High Scalability
- Recently "hot" and newer tools typically have not been tested for scalability, and are risky to use in where you need scalability.
- You should be resource monitoring, performance testing, monitoring traffic, load testing, and doing tuning analysis using statistics and mathematical modelling.
- Design and implement your applications to use parallel programming from the ground up.
- Locks, bottlenecks forcing single-thread execution, wider than needed scope of variables and memory are all recipies for reduced scalability.
- Avoid: frequently-updated single-row tables; single master queues that controls everything; and blocking threads.
- Cache the majority of remote calls; avoid remote comms wherever possible.
- Analyse again and again for single points of failure, and endeavour to eliminate them.
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