The Netflix TechBlog

OCTOBER 19, 2020

We took a hybrid head-based sampling approach that allows for recording 100% of traces for a specific and configurable set of requests, while continuing to randomly sample traffic per the policy set at ingestion point. This allowed us to increase total storage capacity without adding a new Cassandra node to the existing cluster. What’s next?

Infrastructure 233

Infrastructure Transportation Storage Open Source 233

Brendan Gregg

SEPTEMBER 25, 2021

Since instances of both CentOS and Ubuntu were running in parallel, I could collect flame graphs at the same time (same time-of-day traffic mix) and compare them side by side. There's also a test and println() in the loop to, hopefully, convince the compiler not to optimize-out an otherwise empty loop. include <sys/time.h>

Speed 126

Speed Java AWS Virtualization 126

Apica

MAY 10, 2019

2019 will go down as the year when giants collided over who is streaming the right content to win the growing market demand and dollars. Whatever size of company you are, performance monitoring and testing is a critical part of the success you will have. million Netflix users as of Q3 2018. Apica’s scale is enterprise-grade.

Testing 40

Testing Performance Social Media Wireless 40

Smashing Magazine

FEBRUARY 15, 2021

When I think of network speeds, I tend to rely on WebPageTest ’s traffic profiles: Traffic profiles to keep in mind on WebPageTest : ranging from Cable and DSL to 3G Slow and 2G. For brevity, we’ll test only the Pumpkin patch video. The table below is showing the total amount of traffic used. Large preview ).

Network 143

Network Speed Website Mobile 143

Alex Russell

MARCH 6, 2021

India has been the epicentre of smartphone growth in recent years, owing to the sheer size of its market and an accelerating shift away from feature phones which made up the majority of Indian mobile devices until as late as 2019. So what did $150USD fetch in 2019? The smooth, dulcet tones of 2019's Moto E6. " package.

Performance 124

Performance Network Cache Metrics 124

Brendan Gregg

SEPTEMBER 25, 2021

Since instances of both CentOS and Ubuntu were running in parallel, I could collect flame graphs at the same time (same time-of-day traffic mix) and compare them side by side. There's also a test and println() in the loop to, hopefully, convince the compiler not to optimize-out an otherwise empty loop.

Speed 52

Speed Java AWS Virtualization 52

Brendan Gregg

SEPTEMBER 25, 2021

Since instances of both CentOS and Ubuntu were running in parallel, I could collect flame graphs at the same time (same time-of-day traffic mix) and compare them side by side. There's also a test and println() in the loop to, hopefully, convince the compiler not to optimize-out an otherwise empty loop. include <sys/time.h>

Speed 40

Speed Java AWS Virtualization 40