客户端⼀一 客户端⼆二 SET LOCK_KEY NX 获取锁失败 开始 SET LOCK_KEY NX 成功获取锁 键已经有值，设置失败 键尚未有值，设置成功 在线⽤用户统计器器 online user counter 示例例 analytics.google.com panda.tv bilibili.com v2ex.com ⽅方法⼀一 —— 使⽤用集合 当⼀一个⽤用户上 set element 实现代码 const online_user_set = "ONLINE_USER_SET" func set_online(client *redis.Client, user string) { client.Cmd("SADD", online_user_set, user) } func count_online(client *redis.Client) := client.Cmd("SCARD", online_user_set).Int64() return repl } func is_online_or_not(client *redis.Client, user string) bool { repl, _ := client.Cmd("SISMEMBER", online_user_set, user).Int()

suits hybrid deployments of online and offline cloud services. Its innovative CPU scheduling algorithm ensures real-time CPU preemption and jitter suppression for online services. Additionally, its its innovative memory reclamation algorithm against out of memory (OOM) allows online services to run reliably based on their higher service priorities. • EulerFS: A new file system is designed for non-volatile preferentially performed for process groups with low priorities to ensure the normal running of online services. Optimized mremap performance: Entries at the page middle directory (PMD) and page

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过小，会导致离线任务频繁唤醒，干扰在线任务。 功能描述 CPU* HT1 HT2 online task offline task 严重干扰 CPU* HT1 HT2 online task offline task 严重干扰 CPU* HT1 HT2 online task idle CPU* HT1 HT2 online task 原SMT驱离方案 加入优先级反转处理 后的SMT驱离方案 优先级负载均衡。 范围 : 0 和 1 默认值 : 0 功能描述 online online online offline offline CPU runqueue 判断任务优先级 high priority queue low priority queue offline online online online online offline offline offline offline offline 1 2 CPU 0 CPU 1 online online online online online online offline offline offline offline offline offline offline CPU QoS 优先级队列 CPU QoS 优先级迁移 16 openEuler 22.03 LTS SP2 技术白皮书 内核创新 潮汐 affinity

kind: ClusterRole metadata: annotations: name: system:openshift:online:my-webhook-server rules: - apiGroups: - online.openshift.io resources: - namespacereservations 3 verbs: io/v1 4 kind: ClusterRole metadata: name: system:openshift:online:my-webhook-requester rules: - apiGroups: - admission.online.openshift.io resources: - namespacereservations 5 verbs: roleRef: kind: ClusterRole apiGroup: rbac.authorization.k8s.io name: system:openshift:online:my-webhook-server subjects: - kind: ServiceAccount namespace: my-webhook-namespace name:

kind: ClusterRole metadata: annotations: name: system:openshift:online:my-webhook-server rules: - apiGroups: - online.openshift.io resources: - namespacereservations 3 verbs: io/v1 4 kind: ClusterRole metadata: name: system:openshift:online:my-webhook-requester rules: - apiGroups: - admission.online.openshift.io resources: - namespacereservations 5 verbs: roleRef: kind: ClusterRole apiGroup: rbac.authorization.k8s.io name: system:openshift:online:my-webhook-server subjects: - kind: ServiceAccount namespace: my-webhook-namespace name:

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kind: ClusterRole metadata: annotations: name: system:openshift:online:my-webhook-server rules: - apiGroups: - online.openshift.io resources: - namespacereservations 3 verbs: io/v1 4 kind: ClusterRole metadata: name: system:openshift:online:my-webhook-requester rules: - apiGroups: - admission.online.openshift.io resources: - namespacereservations 5 verbs: roleRef: kind: ClusterRole apiGroup: rbac.authorization.k8s.io name: system:openshift:online:my-webhook-server subjects: - kind: ServiceAccount namespace: my-webhook-namespace name:

的直接调用改为使用 pywebio.start_server(bmi, port=80) 便可以在80端口提供 bmi() 服务( 在线Demo [http://pywebio- demos.pywebio.online/bmi] )。 将 bmi() 服务整合到现有的Web框架请参考 与Web框架集成 。 Documentation 这个文档同时也提供 PDF 和 Epub 格式 [https://readthedocs can run the example code online and see what happens. Also, the PyWebIO Playground [https://play.pywebio.online/] is a good place to write, run and share your PyWebIO code online. 输入 输入函数都定义在 pywebio sketchy, minty, yeti 。 同样可以使用环境变量 PYWEBIO_THEME 来设置主题(有更 高优先级)。 主题预览 [http://pywebio-demos.pywebio.online/theme] Open Source Credits js_code (str) – 需要注入到页面上的Javascript代码 js_file (str/list) – 需要添加到页面上的Javascript脚本文

的直接调用改为使用 pywebio.start_server(bmi, port=80) 便可以在80端口提供 bmi() 服务( 在线Demo [http://pywebio- demos.pywebio.online/bmi] )。 将 bmi() 服务整合到现有的Web框架请参考 与Web框架集成 。 Documentation 这个文档同时也提供 PDF 和 Epub 格式 [https://readthedocs can run the example code online and see what happens. Also, the PyWebIO Playground [https://play.pywebio.online/] is a good place to write, run and share your PyWebIO code online. 输入 输入函数都定义在 pywebio sketchy, minty, yeti 。 同样可以使用环境变量 PYWEBIO_THEME 来设置主题(有更 高优先级)。 主题预览 [http://pywebio-demos.pywebio.online/theme] Open Source Credits js_code (str) – 需要注入到页面上的Javascript代码 js_file (str/list) – 需要添加到页面上的Javascript脚本文