集群上监控的一个关键指标是每个 etcd 集群成员上的 etcd 网络对延迟 的 p99 百分比。使用 Prometheus 跟踪指标数据。 histogram_quantile（ （0.99, rate(etcd_network_peer_round_trip_time_seconds_bucket[2m]) 指标报 告 etcd 在成员间复制客户端请求的时间。确保它小于 50 ms。 其他 其他资 资源 源 $ data:text/plain;charset=US- ASCII,%23%20turn%20on%20Receive%20Flow%20Steering%20%28RFS%29%20for%20all %20network%20interfaces%0ASUBSYSTEM%3D%3D%22net%22%2C%20ACTION%3D% 3D%22add%22%2C%20RUN%7Bprogram%7D%2B%3D%22/bin/bash%20- 程规 规格示例 格示例 $ oc delete -f 05-worker-kernelarg-hpav.yaml network="net01"/> ... <

eBPF-based high performance, programmable network data path that processes data before network packets enter the network protocol stack to improve network performance. XDP works in various scenarios scenarios such as anti-DDoS, firewall, and network quality of service (QoS). Concurrent updates for translation lookaside buffer (TLB): The local TLB and remote TLB can be refreshed at the same time XL-FLASH Memory page access information Hot and cold page tiering and discarding Hot and cold memory policies Pages missing openEuler 21.09 Technical White Paper 13 05/ Cloud Base openEuler 21.09 Technical

确保已创建了卷和挂载目标： i. https://console.aws.amazon.com/efs#/file-systems. ii. 点您的卷，在 Network 选项卡中，等待所有 Mount Targets 可用（大约 1-2 分钟）。 e. 在 Network 选项卡中，复制安全组 ID。下一步需要它。 3. 配置 AWS 帐户 B 上 AWS EFS 卷的网络访问： a. 进入 https://console 等待卷和挂载目标完成完全创建： a. 访问 https://console.aws.amazon.com/efs#/file-systems。 b. 单击您的卷，在 Network 选项卡中，等待所有挂载目标变为可用状态（约 1-2 分钟）。 4. 在 Network 选项卡上，复制安全组 ID（下一步中您将需要此 ID）。 5. 进入 https://console.aws.amazon.com/ec2/v2 有关支持的功能的更多信息，请参阅支持的 CSI 驱动程序和功能。 5.13.2. NFS 支持 OpenShift Container Platform 4.14 及更新的版本支持带有 Network File System (NFS) 的 Azure File Container Storage Interface (CSI) Driver Operator，请考虑以下事项： 使用调度到

combine to bring a significant improvement in NVDIMM initialization. Optimized scheduling policies of SCHED_IDLE significantly shorten the scheduling delays of prioritized tasks and reduce interference Limited number of file handles used in a container: File handles include common file handles and network sockets. When starting a container, you can set the --files-limit parameter to specify the maximum App Memory page scan Hot and cold page tiering and discarding DRAM SCM Hot and cold memory policies Container VM XL-FLASH Pages missing Hardware Memory page scan module Memory page access information

Laravel 学院致力于提供优质 Laravel 中文学习资源 45 以通过邮件，也可以通过 Slack、短信或者数据库发送通知。 Policies 目录 这个目录默认不存在，你可以通过执行 make:policy 命令来创建， Policies 目录包含了所有的授 权策略类，策略用于判断某个用户是否有权限去访问指定资源。更多详情，请查看授权文档。 Providers 目录 Providers networks: - type: "private_network" ip: "192.168.10.20" 要开启 bridged 接口，需要配置 bridge 设置并修改网络类型为 public_network ： networks: - type: "public_network" ip: "192.168.10.20" bridge: "en1: Wi-Fi (AirPort)" 要开启 DHCP，只需要从配置中移除 ip 选项即可： networks: - type: "public_network" bridge: "en1: Wi-Fi (AirPort)" 本文档由 Laravel 学院（LaravelAcademy.org）提供 Laravel 学院致力于提供优质

job level ssh trust ssh: [] # define network relevant info for running, # hosts, headless services etc. svc: [] # restart who job if any pod get evicted policies: - event: PodEvicted action: RestartJob RestartJob tasks: - replicas: 1 name: mpimaster # Mark whole job completed when mpiexec completed policies: - event: TaskCompleted action: CompleteJob Volcano部署命令如下，详情参见项目主页：https://github.com/volcano-sh/volcano

Kubernetes 的許可控制器 (Configure admission controllers)  實施 Kubernetes 網路政策 (Implement networking policies)  對容器設置資安規則 (Configure secure context for containers)  分隔敏感的工作負載 (Segregate sensitive workloads) Components) 2. etcd 狀態資料庫 3. 控制平面設置 (Control Plane Configuration) 4. 工作節點 (Worker Node) 5. 政策 (Policies) ©2019 VMware, Inc. 10 Use Cases: Security Architecture Guidance / Replacement for Checklist File System Hardening c. Boot Security d. Process Security e. Minimization of Attack Surface f. Network Security g. Auditing h. Authentication and Authorization i. Compliance j. File System Permissions

operational agility ● You can't be Cloud Native at scale without a modern application- aware network Cloud!=Cloud Native Bare metal VMs Kubernetes VMs ● Monolith was decoupled to Microservices ● clusters ● High availability & resiliency enabling active-active deployments ● Cross cluster security policies & access control ● Unified telemetry and availability reporting ● Service discovery across multiple on top of the upstream Istio. • We aim to solve the complexity of Istio and build a zero-trust network for application connectivity. • We are committed to maintaining Istio's open source ecosystem.

name: hpa-resource-metrics-memory namespace: default spec: behavior: scaleDown: 1 policies: 2 - type: Pods 3 value: 4 4 periodSeconds: 60 5 - type: Percent periodSeconds: 60 selectPolicy: Min 7 stabilizationWindowSeconds: 300 8 scaleUp: 9 policies: - type: Pods value: 5 10 periodSeconds: 70 - type: Percent .. minReplicas: 20 ... behavior: scaleDown: stabilizationWindowSeconds: 300 policies: - type: Pods value: 4 periodSeconds: 30 - type: Percent value:

数量的默认值为 4%。 按 pod 百分比扩展的数量。按百分比扩展的默认值为 100%。 缩减 缩减策略示例 策略示例 behavior: scaleDown: 1 policies: 2 - type: Pods 3 value: 4 4 periodSeconds: 60 5 - type: Percent periodSeconds: 60 selectPolicy: Min 7 stabilizationWindowSeconds: 300 8 scaleUp: 9 policies: - type: Pods value: 5 10 periodSeconds: 70 - type: Percent .. minReplicas: 20 ... behavior: scaleDown: stabilizationWindowSeconds: 300 policies: - type: Pods value: 4 periodSeconds: 30 - type: Percent value: