Making IT Greener - Pecha Kucha

A Pecha Kucha on sustainability in IT - twenty slides, and slides auto-advance every twenty seconds!

Transcript

1. Holly Cummins Senior Principal Software Engineer, Quarkus @holly_cummins@hachyderm.io Making IT Greener
2. Uh oh. Image: labs.openai.com
3. @holly_cummins #RedHat Sources: https://www.greenit.fr/wp-content/uploads/2019/11/GREENIT_EENM_etude_EN_accessible.pdf https://ourworldindata.org/ghg-emissions-by-sector The digital world creates more carbon emissions than aviation. Image: labs.openai.com
4. @holly_cummins #RedHat We have solutions.
5. Step 1 Electricity source Photo by Marcos Assis on Unsplash
6. @holly_cummins #RedHat
7. @holly_cummins #RedHat Look at the sustainability information before choosing a hosting region. Choose a cloud provider who make this easy.
8. @holly_cummins #RedHat Step 2: The four vowels elasticity utilisation efficiency utility
9. Photo by Giovanna Gomes on Unsplash Utility: does it make me happy?
10. Utilisation: how much of the capacity am I using? Photo by engin akyurt on Unsplash
11. In many IT systems, utilisation is very low Image: labs.openai.com
12. Images: labs.openai.com Elasticity: if I need less, can I scale down?
13. @holly_cummins #RedHat Elasticity We used to leave our applications running all the time. When we scripted turning them off at night, we reduced our cloud bill by 30%. @darkandnerdy, Chicago DevOpsDays
14. Efficiency: can I do more with the same resources? Image: labs.openai.com
15. Does the tech stack make a difference? Image: labs.openai.com
16. Does programming language make a difference?
18. What about framework?
19. @holly_cummins #RedHat Setup: • REST + CRUD • large heap • RAPL energy measurement • multiple instances to support high load 
 Assumptions: • US energy mix Source: John O’Hara climate impact of framework choice
20. @holly_cummins #RedHat “No-regrets” solutions 
 
 Climate solutions can make everything better.
21. @holly_cummins #RedHat The double-win Turning things off saves a lot of money Renewable energy is a lot cheaper @holly_cummins@hachyderm.io. #RedHat Image: labs.openai.com