add article about shaping jobs for service efficiency in shared compu…

…ting

README.md

@@ -249,6 +249,7 @@ Contributions are always welcome!
 * [Are you ready for production?](https://www.youtube.com/watch?v=YptJ2rrGAYY) - [Slides](https://speakerdeck.com/rakyll/are-you-ready-for-production)
 * [Production Checklist for Web Apps on Kubernetes](https://srcco.de/posts/web-service-on-kubernetes-production-checklist-2019.html)
 * [Finding a problem at the bottom of the Google stack](https://cloud.google.com/blog/products/management-tools/sre-keeps-digging-to-prevent-problems)
+* [Rethinking Task Size in SRE](https://www.oreilly.com/content/rethinking-task-size-in-sre/)
 
 ## Monitoring & Observability & Alerting
 * [A Working Theory-of-Monitoring](https://www.usenix.org/conference/lisa13/working-theory-monitoring)