Graceful shutdown of pods with Kubernetes
19 Aug 2016 by Marco Pracucci Comments Docker containers can be terminated any time, due to an auto-scaling policy, pod or deployment deletion or while rolling out an update. In most of such cases, you will probably want to graceful shutdown your application running inside the container. In our case, for example, we do want to wait until all current requests (or jobs processing) have completed, bu
StatefulSets
A StatefulSet runs a group of Pods, and maintains a sticky identity for each of those Pods. This is useful for managing applications that need persistent storage or a stable, unique network identity. StatefulSet is the workload API object used to manage stateful applications. Manages the deployment and scaling of a set of Pods, and provides guarantees about the ordering and uniqueness of these Pod
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Tasks
This section of the Kubernetes documentation contains pages that show how to do individual tasks. A task page shows how to do a single thing, typically by giving a short sequence of steps. If you would like to write a task page, see Creating a Documentation Pull Request.
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Kubernetesã®ä¸»ãªæ©Ÿèƒ½ä¸€è¦§ (v1.5時点) - Qiita
å‚考 Kubernetes architecture 2000 Nodes and Beyond: How We Scaled Kubernetes to 60,000-Container Clusters and Where We're Going Next etcd v3 as storage backend for APIServer #44 Kubernetes: 構æˆã‚³ãƒ³ãƒãƒ¼ãƒãƒ³ãƒˆä¸€è¦§ Kubernetes: コンテナãŒèµ·å‹•ã™ã‚‹ã¾ã§ã®å„コンãƒãƒ¼ãƒãƒ³ãƒˆã®æµã‚Œ è¤‡æ•°ã‚¯ãƒ©ã‚¹ã‚¿é€£æº (Federated Kubernetes) Federated Kubernetesã¯è¤‡æ•°ã®Kubernetesを連æºã•ã›ã‚‹æ©Ÿèƒ½ã§ã™ã€‚Ubernetes("uber-"ã¯"超ãˆã‚‹"ã®æ„味ã®æŽ¥é 辞)ã¨ã‚‚呼ã°ã‚Œã¾ã™ã€‚AWS, GCPãªã©ã®ã‚¯ãƒ©ã‚¦ãƒ‰ãƒ—ãƒãƒã‚¤ãƒ€ãƒ¼ã‚„Avaiability Zoneã‚’ã¾ãŸãŒã£ã¦ã‚¯ãƒ©ã‚¹ã‚¿
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最近ã€Kubernetesã®ãƒ˜ãƒ«ã‚¹ãƒã‚§ãƒƒã‚¯ã«ã¤ã„ã¦ã®è³ªå•ã‚’よã見ã¦ã„ã¾ã™ã€‚ã“ã“ã§ãƒ˜ãƒ«ã‚¹ãƒã‚§ãƒƒã‚¯ã®ç¨®é¡žã®é•ã„ã‚„ã€ã©ã†ä½¿ã†ã‹èª¬æ˜Žã—ã¦ã¿ã¾ã™ã€‚ Liveness Probe Kubernetesã®ãƒ˜ãƒ«ã‚¹ãƒã‚§ãƒƒã‚¯ã¯2種類ãŒã‚ã£ã¦ã€ä¸€ã¤ç›®ã¯livenessProbeã¨ã€2ã¤ç›®ã¯readinessProbeã¨ã„ã†ã‚„ã¤ã§ã™ã€‚livenessProbeã®å½¹ç›®ã¯ã‚¢ãƒ—リケーションãŒç”Ÿãã¦ã‚‹ã‹ã©ã†ã‹ã‚’ãƒã‚§ãƒƒã‚¯ã™ã‚‹ã“ã¨ã€‚普段ã€ã‚¨ãƒ©ãƒ¼ãŒèµ·ããŸæ™‚ã«ã€ã‚¢ãƒ—リãŒã‚¯ãƒ©ãƒƒã‚·ãƒ¥ã§çµ‚了ã—ã¦ã€KubernetesãŒãれを見ã¦ã€å†èµ·å‹•ã—ã¦ãれるんã§ã™ã‘ã©ã€livenessProbeã¯ã‚¢ãƒ—リãŒçµ‚了ã›ãšã«å‹•ã‹ãªããªã£ãŸã‚Šã€ãƒ‡ãƒƒãƒ‰ãƒãƒƒã‚¯ã—ãŸã‚Šã™ã‚‹å ´åˆã«ã‚‚アプリをå†èµ·å‹•ã—ã¦ç›´ã™ãŸã‚ã«å˜åœ¨ã™ã‚‹ã€‚アプリãŒã¡ã‚ƒã‚“ã¨å‹•ã„ã¦ã„ã‚‹ã ã‘ã‚’ãƒã‚§ãƒƒã‚¯ã—ã¦ã„ã‚‹ã®ã§ã€å˜ç´”ã«HTTPレスãƒãƒ³ã‚¹ã‚’è¿”ã›ã°ã„ã„ã¯ãšã€‚ ç°¡å˜ãªä¾‹ã¨ã—ã¦ã€ä»¥ä¸‹ã¯Goアプリã®livenessP
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