EC Solution Cron Scheduler ImprovementProject Details- Register crontab created based on on-premises as cron pod during cloud migration -> Performance and scalability issues occur- Explore ways to reduce cron execution load- Going further, exploring the scalable Cron scheduler modelRoles and achievements- Strengthening of Cron monitoring indicators - Measure resource usage before and after cron execution - In the case of Cron running in a shopping mall unit, monitoring if there are no missing malls - grafana dashboard advancement and alarm setting when abnormality is foundCafe24 EC solution on-premise to cloud migration 2021-05 ~ 2022-01Project Details- Migrate the existing on-premises Cafe24 shopping mall solution to the cloud environment (k8s)- By providing in the cloud environment, more flexible infrastructure and traffic management is possible- When providing overseas regional services, a true global standard platform is achieved by setting a solution in the local cloudRoles and achievements- Mitigation of cephfs performance degradation (2021.07 ~ 2021.08) - Reducing nfs load by more than 70% by cleaning the list of nfs scan files and requesting the relevant team to identify the files - Contributing to identifying the cause of performance degradation issues by upgrading the grafana dashboard- Pod process state management (2021.08 ~ 2021.10) - Working to log pod start and end time with grafana - Enable graceful shutdown when pod internal process is terminated - Applied probe to was app such as shop pod in ec-solution to manage process status in pod, non-was app works in the direction of strengthening health-check