Dispatch
CloudBlog
Technical articles, deep dives, and announcements from the Upsun team and community.
Recent
InsightsOct 6, 2026
So, what to scale next?
Your web application is slow. Use these decision charts to connect CPU, memory, and disk pressure to your next scaling move, from replicas to fewer workers.
InsightsSep 30, 2026
Session storage gets complicated faster than you think
Explore session storage tradeoffs across files, PostgreSQL, Redis, and Valkey, from expiration and cleanup to memory limits. Test your options on Upsun Cloud.
How It WorksSep 22, 2026
Airflow on a locked-down platform
Running Apache Airflow on Upsun’s hardened containers takes 30 lines of C and a decision about how much task isolation you actually want back.