https://socake.github.io/tags/descheduler/Recent content in Descheduler on 黄文卓 | DevOps EngineerHugo -- gohugo.iozh-CN17691281867@163.com (Wenzhuo Huang)17691281867@163.com (Wenzhuo Huang)© 2026 Wenzhuo HuangSat, 22 Mar 2025 16:00:00 +0800https://socake.github.io/posts/descheduler-workload-rebalance/Sat, 22 Mar 2025 16:00:00 +080017691281867@163.com (Wenzhuo Huang)https://socake.github.io/posts/descheduler-workload-rebalance/kube-scheduler 只在 Pod 创建那一刻做决策，之后集群状态变了它就不管了。几个月下来，你的集群会变成 hot node + cold node 混杂、同一个 Deployment 的 Pod 全挤在一个 node、failure-domain 完全失衡。Descheduler 就是把调度决策后置、周期性重新评估的那只手。