How Netflix Tunes EC2 Instances for Performance.pdf

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How Netflix Tunes EC2 Instances for Performance by Brendan Gregg
Netflix performance and operating systems team Evaluate technology nstance types, amazon Elastic Compute Cloud (EC2)options Recommendations and best practices Instance kernel tuning, assist app tuning ′ CLOUD PERFORMANCE Develop performance tools Develop tools for observability and analysis Project support New database, programming language, software change SPECIAL OPS Incident response Performance issues scalability issues re nvent aws o 2017, Amazon Web Services, InC. or its Affiliates. All rights reserved Agenda 1. Instance selection 2. Amazon ec2 features 3. Kernel tuning 4. Methodologies 5. Observability re nvent aws o 2017, Amazon Web Services, InC. or its Affiliates. All rights reserved Warnings This is what's in our medicine cabinet Consider these best before 2018" Take only if prescribed by a performance engineer re nvent aws o 2017, Amazon Web Services, InC. or its Affiliates. All rights reserved 1. Instance selection re nvent aws o 2017, Amazon Web Services, Inc. or its Affiliates. All rights reserved The netflix cloud Many application workloads: Compute, storage, caching EC2 Applications (services) S3 ELB Elasticsearch Cassandra EVCache SES SQS re nvent aws o 2017, Amazon Web Services, InC. or its Affiliates. All rights reserved Netflix aws environment ELastic Load Balancing ASG Cluster allows real load testing prod 1 ELB 1. Single instance canary then Canary 2. Auto scaling group Much better than micro ASG-V010 ASG-V011 benchmarking alone, which is error prone Instance nstance Instance nstance nstance Instance Instance nstance Instance nstance re nvent aws o 2017, Amazon Web Services, InC. or its Affiliates. All rights reserved Current generation instances Families. A NETFLIX ORIGINAL JDREAMWORES m4: General purpose Balanced c5: Compute-optimized ● atest CPUs, lowest price/ compute perf 13, d2: Storage-optimized SSD large capacity storage r4, X1: Memory optimized Lowest cost/Gbyte p2,g3, f1: Accelerated computing GPUs, FPGAs 13. 8Xlarge ypes: Range from medium to 1 6x larget, depending on family Netflix uses over 30 different instance types re nvent aws o 2017, Amazon Web Services, InC. or its Affiliates. All rights reserved Netflix instance type selection A. flow chart B. By-resource C. Brute force re nvent aws o 2017, Amazon Web Services, InC. or its Affiliates. All rights reserved

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