KubeCon NA, Seattle, 2016: Performance and Scalability Tuning Kubernetes for OpenShift and Docker
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The document outlines Red Hat's containerization standards and technologies, including orchestration with Kubernetes, isolation using Linux containers, and a minimal footprint OS through Atomic Host. It details specifications for container performance attributes and resources, highlighting integration for telemetry, automation, and cluster services. Performance tests and configurations are provided, listing potential configurations and resource allocation for extensive container deployments.
KubeCon NA, Seattle, 2016: Performance and Scalability Tuning Kubernetes for OpenShift and Docker
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- 7. Attribute Build Farm CPU Intensive High Memory Intensive High Disk I/O Latency Low Disk I/O Throughput High Network Latency Low Network Throughput High Security Low Uptime (Live Migration) N/A Deployment Speed High Alternative OS N/A Icon Meaning Mature and/or No Perf Concerns Immature and/or Limited Perf Concerns Mixed Concerns Not Applicable
- 10. CONTAINER DISCOVERY VIA REGISTRY ORCHESTRATION WITH KUBERNETES Red Hat works with the open source community to drive standards for containerization. ISOLATION WITH LINUX CONTAINERS CONTAINER FORMAT WITH DOCKER
- 11. Atomic Host - a container-optimized, minimal footprint OS powered by Red Hat Enterprise Linux Telemetry - logging and metrics for pods/containers, services and underlying infrastructure to make informed decisions Runtime and Packaging Format - standardized container packaging format and runtime, powered by Docker (and OCI) Automation and host configuration management via Cockpit to dynamically provision and configure container host clusters Orchestration - for complex multi-container services, powered by Kubernetes Networking - scalable, multi-host container networking, powered by Open vSwitch, that runs anywhere Red Hat Enterprise Linux runs Cluster Services - Scheduling for services across a container host cluster, powered by Kubernetes Storage, with persistent storage plugins to enable running of stateful services in containers Atomic Registry - integrated storage and management for sharing container images Security to prevent tenants from compromising other occupants
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- 14. â 2x Intel E5-2680v3 12-core â 256GB RAM â 2x Intel S3610 400GB SSD â 1x Intel P3700 800GB NVMe PCIe SSD â 1x QP Intel X710 â â â â â
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- 18. ClusterLoader: projects: - num: 1000 basename: nginx-explorer tuning: default templates: - num: 10 file: cluster-loader/nginx.yaml - num: 20 file: cluster-loader/explorer-pod.yaml
- 21. Kubernetes Object Quantity Nodes 1,000 Namespaces (projects) 13,000 Pods 52,000 Build Configs 39,000 Templates 78,000 Image Streams 13,000 Deployment Configs and Services 39,000 (incl. 13,000 Replication Controllers) Secrets 260,000 Routes 39,000