Application Engineer: Introductory Presentation
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An overview presentation intended to describe the "application engineer" role at Delver/SHC Israel. Nowadays you'd call this a DevOps position.
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Application Engineer: Introductory Presentation
- 1. What’s it all mean? Application Engineer
- 2. Axiom Applications are not just code Containers and application servers play increasingly bigger roles Increasing computational demands drive horizontal scaling. With great power comes great responsibility: Monitoring (system health); Infrastructure (hardware, network, OS setup); Administration (automated deployment, rolling updates)
- 3. Axiom cont. Increasing application complexity creates new challenges for IT staff: Applicative monitoring (queue sizes, component statistics, complex behavioral rules) System tuning (horizontal scaling + application performance improvements = huge gains) System architecture (static server farms, load balancers, high availability, central storage…) Not just LAMP anymore!
- 4. Axiom cont. As IT staff plays an increasingly significant role, responsibilities shift from R&D to IT … but IT can’t deliver without being directly involved with R&D! System architecture is tightly coupled with deployment, monitoring, tuning System architecture may comprise shared responsibilities (e.g. a hybrid static/dynamic web farm) Inevitable conclusion: A successful project requires close cooperation between R&D and IT
- 5. The Application Engineer… … is the IT liaison officer in R&D Specifies operational requirements (e.g. monitoring, configuration, logging); Active participant in design reviews; Is the contact point for R&D requirements from IT (hardware, deployment, storage…)
- 6. The Application Engineer… … is the IT equivalent of a system architect Specifies architecture (web farms, central/distributed storage, load balancing…) Works closely with R&D to define the system architecture Has significant theoretical knowledge of the application (… in order to correctly monitor and tune it)
- 7. The Application Engineer… … is directly responsible for the production environment Monitoring (specification and implementation) Reporting (provides feedback to R&D) Ongoing tuning Management contact point
- 8. In Practical Terms Vís a vís R&D: Sits in on design reviews Generates requirements Provides ongoing feedback to R&D Production errors Performance bottlenecks Collaborates with R&D to define the system architecture and deployment practices
- 9. In Practical Terms Vís a vís management: Provides the contact point for the production environment (“the site is down!”) Responsibilities include: Deployment Production uptime System performance Support (?) and issue tracking Infrastructure (web, high availability, central storage…)
- 10. Are we done yet? Questions? Comments? Snarky remarks?
- 11. Final words