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AWS re:Invent 2017: How Netflix Tunes EC2

Brendan Gregg

My last talk for 2017 was at AWS re:Invent, on "How Netflix Tunes EC2 Instances for Performance," an updated version of my [2014] talk. Our team looks after the BaseAMI, kernel tuning, OS performance tools and profilers, and self-service tools like Vector. We help where we can. schedtool –B PID. Virtual Memory. Huge Pages.

Tuning 61
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AWS re:Invent 2017: How Netflix Tunes EC2

Brendan Gregg

My last talk for 2017 was at AWS re:Invent, on "How Netflix Tunes EC2 Instances for Performance," an updated version of my [2014] talk. Our team looks after the BaseAMI, kernel tuning, OS performance tools and profilers, and self-service tools like Vector. We help where we can. schedtool –B PID. Virtual Memory. Huge Pages.

Tuning 52
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Solaris to Linux Migration 2017

Brendan Gregg

I wrote a page on it: [perf]. - **eBPF**: tracing features completed in 2016, this provides efficient programmatic tracing to existing kernel frameworks. Both Xen and KVM have had many performance and security improvements, and workloads can now be tuned to run at almost bare metal speeds (say, a 3% loss or less).

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Why Waits Alone Are Not Enough

SQL Performance

Tom Davidson, Opening Microsoft's Performance-Tuning Toolbox SQL Server Pro Magazine, December 2003. Waits and Queues has been used as a SQL Server performance tuning methodology since Tom Davidson published the above article as well as the well-known SQL Server 2005 Waits and Queues whitepaper in 2006. Query Store 2017 to the Rescue.

Tuning 115
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Building Netflix’s Distributed Tracing Infrastructure

The Netflix TechBlog

By 2017, open source projects like Open-Tracing and Open-Zipkin were mature enough for use in polyglot runtime environments at Netflix. We earned the trust of our engineers by developing empathy for their operational burden and by focusing on providing efficient tracer library integrations in runtime environments.

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What Is PostgreSQL Used For?

Percona

StackOverflow statistics show that 26% of developers preferred it in 2017, 34% in 2019, and 40% in 2021. From migrations, database design, and architecture … to performance assessment and tuning … to proactive monitoring and management of your databases — you’re covered. Free from vendor lock-in.

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Engineering a Studio Quality Experience With High-Quality Audio at Netflix

The Netflix TechBlog

In late 2017, we received some critical feedback from the brothers on the Stranger Things 2 audio mix: in some scenes, there was a reduced sense of where sounds are located in the 5.1-channel We expect these bitrates to evolve over time as we get more efficient with our encoding techniques.