LinuxCon NA 2016: When Containers and Virtualization Do - and Don’t - Work Together
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This talk proposes a workload classification technique to help users decide what mix if infrastructure best suits their application's needs.
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LinuxCon NA 2016: When Containers and Virtualization Do - and Don’t - Work Together
- 1. JEREMY EDER - RED HAT PERFORMANCE ENGINEERING WHEN CONTAINERS AND VIRTUALIZATION DO - AND DON’T - WORK TOGETHER Jeremy Eder, Sr Principal Performance Engineer LinuxCon/ContainerCon NA 2016
- 2. JEREMY EDER - RED HAT PERFORMANCE ENGINEERING2 Agenda ● Technology Trends ● Container and VM technical Overview ● Performance Data Round-up ● Workload Classification
- 3. JEREMY EDER - RED HAT PERFORMANCE ENGINEERING3 ● Co-team lead for container performance and scale team at Red Hat. ● Architect of Red Hat “tuned” project. ● Authored many blogs and whitepapers on container performance, tuning for high frequency trading. Why listen to me...
- 4. JEREMY EDER - RED HAT PERFORMANCE ENGINEERING4 Listen to your apps. But really, don’t listen to me:
- 5. JEREMY EDER - RED HAT PERFORMANCE ENGINEERING5 Key Technology Trends
- 6. JEREMY EDER - RED HAT PERFORMANCE ENGINEERING6 Red Hat Container Solutions SERVICE CATALOG (LANGUAGE RUNTIMES, MIDDLEWARE, DATABASES, …) SELF-SERVICE APPLICATION LIFECYCLE MANAGEMENT (CI / CD) BUILD AUTOMATION DEPLOYMENT AUTOMATION CONTAINER CONTAINERCONTAINER CONTAINER CONTAINER NETWORKING SECURITYSTORAGE REGISTRY LOGS & METRICS INFRASTRUCTURE AUTOMATION & COCKPIT CONTAINER ORCHESTRATION & CLUSTER MANAGEMENT (KUBERNETES) MANAGEMENT SOLUTIONS CloudForms Satellite Ansible DEVELOPER SOLUTIONS Developer Studio CDK Tools RED HAT ENTERPRISE LINUX CONTAINER RUNTIME & PACKAGING (DOCKER) ATOMIC HOST
- 7. JEREMY EDER - RED HAT PERFORMANCE ENGINEERING7 Containers are an OS Technology TRADITIONAL OS CONTAINERS
- 8. JEREMY EDER - RED HAT PERFORMANCE ENGINEERING8 ● Some don’t care where they run ○ Batch workloads ● Some care greatly ○ Security, Isolation ○ Uptime ○ Performance ○ Proximity/Locality to data It’s all about the workloads...
- 9. JEREMY EDER - RED HAT PERFORMANCE ENGINEERING9 What is a workload? Subsystems
- 10. JEREMY EDER - RED HAT PERFORMANCE ENGINEERING10 What is a workload? Business Requirements
- 11. JEREMY EDER - RED HAT PERFORMANCE ENGINEERING11
- 12. JEREMY EDER - RED HAT PERFORMANCE ENGINEERING CONTAINERS AND VIRTUALIZATION: PERFORMANCE DATA ROUND-UP
- 13. JEREMY EDER - RED HAT PERFORMANCE ENGINEERING13 Network Latency and Throughput
- 14. JEREMY EDER - RED HAT PERFORMANCE ENGINEERING14 Virt Performance of Large “Expensive” Apps :-)
- 15. JEREMY EDER - RED HAT PERFORMANCE ENGINEERING15 RHEL7 + Containerized Solarflare OpenOnload
- 16. JEREMY EDER - RED HAT PERFORMANCE ENGINEERING16 Network Function Virtualization (NFV) Throughput and Packets/sec (RHEL7.x+DPDK)
- 17. JEREMY EDER - RED HAT PERFORMANCE ENGINEERING17 Speedups for Virtual Machines
- 18. JEREMY EDER - RED HAT PERFORMANCE ENGINEERING18 Tuning profile delivery mechanism What is “tuned”?
- 19. JEREMY EDER - RED HAT PERFORMANCE ENGINEERING RHEL7 Desktop/Workstation balanced RHEL6/7 KVM Host, Guest Virtual-host/guest Red Hat Storage rhs-high-throughput, virt RHEL Atomic atomic-host, atomic-guest RHEL7 Server/HPC throughput-performance RHEV virtual-host RHEL OSP (compute node) virtual-host OpenShift openshift-master,node Tuned Profiles throughout Red Hat Products
- 20. JEREMY EDER - RED HAT PERFORMANCE ENGINEERING20 throughput-performance governor energy_perf_bias c/pstates readaheads kernel.sched_min/wakeup_granularity_ns vm.dirty_background/ratio vm.swappiness virtual-guest vm.dirty_ratio vm.swappiness atomic-openshift-node Avc_cache_threshold nf_conntrack_hashsize kernel.pid_max net.netfilter.nf_conntrack_max VM/Cloud Bare M etal future tcp_fastopen multiqueue virtio limitnofile=N for node pty_max=N RFS? Tuned Profiles
- 21. JEREMY EDER - RED HAT PERFORMANCE ENGINEERING21 KVM vs Container Performance (HP results) Distributed Environment ● Java application server ● Internet Message Access Protocol (IMAP) server ● Batch server http://h20195.www2.hpe.com/V 2/getpdf.aspx/4AA6-2761ENW. pdf
- 22. JEREMY EDER - RED HAT PERFORMANCE ENGINEERING22 Workload → Infrastructure Mapping Workload Bare Metal Containers Virt CPU Intensive Memory Intensive Disk I/O Latency Disk I/O Throughput Network Latency Network Throughput Security Uptime (Live Migration) Deployment Speed Alternative OS Color Meaning Mature No Perf Concerns Immature Limited Perf Concerns Difficult/Impossible (currently)
- 23. JEREMY EDER - RED HAT PERFORMANCE ENGINEERING23 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 Workload → Infrastructure Mapping: Build Farm Icon Meaning Mature and/or No Perf Concerns Immature and/or Limited Perf Concerns Mixed Concerns Not Applicable
- 24. JEREMY EDER - RED HAT PERFORMANCE ENGINEERING Attribute memcached CPU Intensive Medium Memory Intensive Medium Disk I/O Latency Low Disk I/O Throughput Low Network Latency High Network Throughput High Security N/A Uptime (Live Migration) N/A Deployment Speed Low Alternative OS N/A 24 Workload → Infrastructure Mapping: memcached Icon Meaning Mature and/or No Perf Concerns Immature and/or Limited Perf Concerns Mixed Concerns Not Applicable
- 25. JEREMY EDER - RED HAT PERFORMANCE ENGINEERING25 Attribute Stock Trading CPU Intensive High Memory Intensive High Disk I/O Latency Low Disk I/O Throughput Low Network Latency High Network Throughput High Security Low Uptime (Live Migration) N/A Deployment Speed N/A Alternative OS N/A Workload → Infrastructure Mapping: Stock Trading Icon Meaning Mature and/or No Perf Concerns Immature and/or Limited Perf Concerns Mixed Concerns Not Applicable
- 26. JEREMY EDER - RED HAT PERFORMANCE ENGINEERING Attribute Gluster CPU Intensive Low Memory Intensive Low Disk I/O Latency High Disk I/O Throughput High Network Latency High Network Throughput High Security N/A Uptime (Live Migration) N/A Deployment Speed Low Alternative OS N/A 26 Workload → Infrastructure Mapping: Gluster Icon Meaning Mature and/or No Perf Concerns Immature and/or Limited Perf Concerns Mixed Concerns Not Applicable
- 27. JEREMY EDER - RED HAT PERFORMANCE ENGINEERING Attribute Animation CPU Intensive High Memory Intensive Medium Disk I/O Latency Medium Disk I/O Throughput High Network Latency Medium Network Throughput High Security Low Uptime (Live Migration) Low Deployment Speed High Alternative OS N/A 27 Workload → Infrastructure Mapping: Animation Icon Meaning Mature and/or No Perf Concerns Immature and/or Limited Perf Concerns Mixed Concerns Not Applicable
- 28. JEREMY EDER - RED HAT PERFORMANCE ENGINEERING28 It’s all about the workloads.
- 29. JEREMY EDER - RED HAT PERFORMANCE ENGINEERING THANK YOU plus.google.com/+RedHat linkedin.com/company/red-hat youtube.com/user/RedHatVideos facebook.com/redhatinc twitter.com/RedHatNews