https://shirlenelim.se/tags/statefulset/ Recent content in Statefulset on Shirlene Lim's DevSecOps Projects Hugo en Fri, 16 Oct 2026 00:07:33 +0200 https://shirlenelim.se/posts/kubernetes_workload/ Fri, 16 Oct 2026 00:07:33 +0200 https://shirlenelim.se/posts/kubernetes_workload/ <h1 id="kubernetes-workloads">kubernetes #workloads</h1> <p>Here is my raw notes when I was learning about kubernetes workloads. Basic kubernetes knowledge</p> <h2 id="deployment">deployment</h2> <ul> <li>control what to deploy</li> <li>stateless</li> <li>scaling</li> <li>rolling updates and rollback</li> </ul> <h2 id="replicaset">replicaset</h2> <ul> <li>ensure number of pods</li> </ul> <h2 id="statefulset">statefulset</h2> <ul> <li>stateful for DB</li> <li>stateful network identities</li> <li>persistent storage per pod</li> <li>creation and deletion order</li> </ul> <h2 id="daemonset">daemonset</h2> <ul> <li>background service on every node</li> <li>for polling, logging, monitoring, network management, security agent</li> <li>do not use if <ul> <li>service needed on some nodes then use deployment with labels</li> <li>scalability needed</li> </ul> </li> </ul> <h2 id="job">job</h2> <ul> <li>batch jobs</li> <li>runs till completion</li> <li>can retry</li> </ul> <pre tabindex="0"><code>restartPolicy: never backoffLimit: 3 //retries </code></pre><h2 id="cronjob">cronjob</h2> <ul> <li>batch jobs on schedule</li> <li>concurrency policy</li> <li>eg running scripts, cleanups, log rotation</li> </ul> <pre tabindex="0"><code>* * * * * command min , hour, day of month, month , day of week , command to run 0 0 **** every day midnight 0 9 ** 1 every monday 9am </code></pre>