The Netflix TechBlog

MAY 4, 2023

Migrating Critical Traffic At Scale with No Downtime — Part 1 Shyam Gala , Javier Fernandez-Ivern , Anup Rokkam Pratap , Devang Shah Hundreds of millions of customers tune into Netflix every day, expecting an uninterrupted and immersive streaming experience. This approach has a handful of benefits.

Traffic 339

Traffic Latency Tuning Systems 339

Scalegrid

JANUARY 25, 2024

Redis® is an in-memory database that provides blazingly fast performance. This makes it a compelling alternative to disk-based databases when performance is a concern. You might already use ScaleGrid hosting for Redis hosting to power your performance-sensitive applications.

Metrics 130

Metrics Monitoring Latency Cache 130

Scalegrid

OCTOBER 24, 2019

As organizations continue to migrate to the cloud, it’s important to get in front of performance issues, such as high latency, low throughput, and replication lag with higher distances between your users and cloud infrastructure. MySQL on AWS Performance Test. AWS High Performance XLarge (see system details below).

AWS 183

AWS Latency Performance Benchmarking 183

Dynatrace

MARCH 29, 2024

During a breakout session at Dynatrace Perform 2024 , Alois Mayr, principal product manager at Dynatrace, and Stefano Doni, CTO at Akamas, broke down how Dynatrace and Akamas can help organizations enhance Kubernetes cluster management. Consider a sudden drop in performance. “Additionally, we are full-stack and goal-oriented.

Engineering 231

Engineering DevOps Operating System Open Source 231

The Netflix TechBlog

MARCH 4, 2024

Operational automation–including but not limited to, auto diagnosis, auto remediation, auto configuration, auto tuning, auto scaling, auto debugging, and auto testing–is key to the success of modern data platforms. Auto Remediation generates recommendations by considering both performance (i.e., Multi-objective optimizations.

Tuning 210

Tuning Efficiency Big Data Engineering 210

SQL Performance

SEPTEMBER 17, 2019

This article will cover many areas that database administrators need to be aware of in order to properly license, recover, and tune a Reporting Services installation. Tuning Options. Tuning SSRS is much like any other application. Disk latency for ReportServer and ReportServerTempDB are very important. General Tuning.

Tuning 67

Tuning Servers Database Best Practices 67

Scalegrid

NOVEMBER 20, 2019

By having appropriate indexes on your MySQL tables, you can greatly enhance the performance of SELECT queries. During this time, you are also likely to experience a degraded performance of queries as your system resources are busy in index-creation work as well. Performance Benefits of Rolling Index Creation. EC2 instance m4.large

Best Practices 239

Best Practices Latency Tuning Database 239

Dynatrace

MAY 17, 2023

Validation tasks are then extended left to cover performance testing and release validation in a pre-production environment. More precisely, this team uses AWS Fault Injection Simulator (FIS) to run fault injection to improve the application’s performance and resiliency. The queries are depicted below (sensitive data has been removed).

DevOps 192

DevOps Traffic Latency Best Practices 192

Scalegrid

DECEMBER 14, 2023

How the MongoDB timeout is set up can significantly affect your application’s performance, no matter if you are an experienced MongoDB user or just starting with NoSQL databases. Doing so helps ensure optimal performance while maintaining adequate levels of protection against unwanted connection attempts.

Java 130

Java Network Servers Database 130

Dynatrace

APRIL 25, 2023

It helps developers and operators identify and troubleshoot issues, optimize performance and improve user experience. Higher latency and cold start issues due to the initialization time of the functions. Understanding cold-start behavior is essential to tune your cloud applications cost or performance to meet your operational needs.

Serverless 213

Serverless Lambda Azure AWS 213

DZone

JULY 10, 2019

In addition, compute and storage are increasingly being separated causing larger latencies for queries. Alluxio is leveraged as compute-side virtual storage to improve performance. But to get the best performance, like any technology stack, you need to follow the best practices. A Note on Data Locality.

Best Practices 133

Best Practices Latency Storage Tuning 133

Dynatrace

JULY 18, 2023

While infrastructure has historically been treated as a bottleneck where proper scaling and compute power are applied to improve performance, these aspects are now typically addressed by hyperscalers that offer cloud-based infrastructure and infrastructure as a service. You can read all about it in our Configuration as Code documentation.

Best Practices 195

Best Practices Code Infrastructure Latency 195

Percona

NOVEMBER 2, 2023

MongoDB is a dynamic database system continually evolving to deliver optimized performance, robust security, and limitless scalability. Our new eBook, “ From Planning to Performance: MongoDB Upgrade Best Practices ,” guides you through the entire process to ensure your database’s long-term success. In MongoDB 6.x:

Best Practices 84

Best Practices Hardware Tuning Scalability 84

KeyCDN

NOVEMBER 4, 2021

The POP is strategially located within the country and lowers latency overall. KeyCDN is always on the lookout for ways to minimize latency and accelerate asset delivery worldwide. With this new POP, our performance in Latin America has significantly improved and provides a better web experience.

Latency 111

Latency Tuning Cache Traffic 111

Percona

AUGUST 10, 2018

The performance of a PostgreSQL database can be compromised by dead tuples, since they continue to occupy space and can lead to bloat. Now, though, it’s time to look at autovacuum for postgres, and the internals you to know to maintain a high performance PostgreSQL database needed by demanding applications.

Tuning 44

Tuning Cache Database Storage 44

Dynatrace

MAY 5, 2021

At Perform 2021 , Dynatrace’s Kristof Renders, Services Practice Manager for Autonomous Cloud Enablement, joined Sumit Nagal, Principal Engineer at Intuit, to demonstrate how service-level objectives (SLOs) and business-level objectives (BLOs) can “shift left.” For example, improving latency by as little as 0.1

Benchmarking 188

Benchmarking Latency Speed Software 188

VoltDB

JUNE 19, 2017

Unfortunately, this means that the age-old Telco bugbears will rear their ugly heads again, including latency. 5G, as a fundamental requirement, mandates a 1 millisecond latency from the datasource to its destination. This requires 1 ms network latency. The post Latency: Will it undermine the most interesting 5G use cases?

Latency 40

Latency Retail Virtualization Hardware 40

VoltDB

JUNE 19, 2017

Unfortunately, this means that the age-old Telco bugbears will rear their ugly heads again, including latency. 5G, as a fundamental requirement, mandates a 1 millisecond latency from the datasource to its destination. This requires 1 ms network latency. The post Latency: Will it undermine the most interesting 5G use cases?

Latency 40

Latency Retail Virtualization Hardware 40

Percona

MAY 1, 2023

Default settings can help you get started quickly – but they can also cost you performance and a higher cloud bill at the end of the month. I’ll show you some MySQL settings to tune to get better performance, and cost savings, with AWS RDS. Want to save money on your AWS RDS bill? In practical terms, it was 3.7G

AWS 117

AWS Hardware Storage Tuning 117

Dynatrace

SEPTEMBER 23, 2020

Storage mount points in a system might be larger or smaller, local or remote, with high or low latency, and various speeds. For example: All subfolders of the /opt directory are mounted as local, low latency, high-throughput drives, with relatively low storage capacity. Stay tuned for upcoming news about these changes.

Storage 150

Storage Latency Operating System Network 150

KeyCDN

NOVEMBER 29, 2022

KeyCDN is always looking for ways to minimize latency and accelerate the delivery of assets worldwide. With these new POPs, our performance in Latin America has improved significantly, providing a better web experience. With these new POPs, our performance in Latin America has improved significantly, providing a better web experience.

Latency 60

Latency Tuning Cache Traffic 60

KeyCDN

JANUARY 25, 2023

Our mission is to continuously improve web performance, and each POP contributes to it. With a dedicated POP, latency for visitors is reduced even further, resulting in better loading times. Lisbon - Portugal The POP in Lisbon brings better performance to Portugal, with a population of over 10 million people. What's next?

Latency 60

Latency Tuning Cache Speed 60

Dynatrace

APRIL 26, 2022

Understanding why a user is experiencing transactional or performance issues enables organizations to achieve greater observability that goes beyond metrics, traces and logs. Digital experience monitoring (DEM) allows an organization to optimize customer experiences by taking into account the context surrounding digital experience metrics.

Monitoring 209

Monitoring Social Media IoT Metrics 209

Scalegrid

MARCH 22, 2024

It focuses on aligning organizational needs with cloud services, balancing performance and cost, and ensuring compliance, security, and effective cost management. They can also bolster uptime and limit latency issues or potential downtimes. Pick combinations that are not just affordable but also high-performing.

Strategy 130

Strategy Cloud Government Innovation 130

The Netflix TechBlog

AUGUST 30, 2021

By the following morning, alerts were received regarding high memory consumption and GC latencies, to the point where the service was unresponsive to HTTP requests. This setup is neither optimal nor break-proof since the Kafka message processing rate will vary depending on environmental factors, such as database latencies in our system setup.

Latency 213

Latency Traffic Transportation Hardware 213

Dynatrace

DECEMBER 2, 2021

SLOs, together with service-level indicators (SLIs), deliver the performance promised in service-level agreements (SLAs) and other business level objectives (BLOs) while staying within error budgets. In layman’s terms, SLOs represent the performance or health of a service. But what are SLOs? Watch webinar now! Promote automation.

Metrics 196

Metrics Best Practices DevOps Infrastructure 196

The Netflix TechBlog

OCTOBER 19, 2020

If we had an ID for each streaming session then distributed tracing could easily reconstruct session failure by providing service topology, retry and error tags, and latency measurements for all service calls. Our engineering teams tuned their services for performance after factoring in increased resource utilization due to tracing.

Infrastructure 233

Infrastructure Transportation Storage Open Source 233

Adrian Cockcroft

AUGUST 1, 2022

photo by Adrian I gave a talk at Monitorama in Portland Oregon in June, which set out the idea that carbon is just another metric to monitor, and that in a few years most of the monitoring and performance tuning tools are going to be reporting and optimizing for carbon alongside latency, throughput, availability and cost.

AWS 52

AWS Virtualization DevOps Latency 52

Smashing Magazine

NOVEMBER 8, 2021

As developers, we rightfully obsess about the customer experience, relentlessly working to squeeze every millisecond out of the critical rendering path, optimize input latency, and eliminate jank. We work with millions of merchants, and as many companies, we obsess about storefront performance. Stay tuned for more in 2022!

Cache 135

Cache Best Practices Strategy Servers 135

Dotcom-Montior

NOVEMBER 11, 2020

Developers don’t have to put in additional time to fine-tuning the system, or rely on other teams for support, as it’s done automatically with the cloud provider. For workloads that require high performance, organizations would be better suited by purchasing their own servers. Focus on Application Development. Response Times.

Serverless 57

Serverless Monitoring Lambda Latency 57

KeyCDN

AUGUST 15, 2019

Web performance is a broad subject, and you’ll find no shortage of performance testing tips and tutorials all over the web. Before you begin tuning your website or application, you must first figure out which metrics matter most to your users and establish some achievable benchmarks. What is Performance Testing?

Testing Tools 55

Testing Tools Best Practices Performance Testing Testing 55

The Morning Paper

JUNE 13, 2019

Making queries to an inference engine has many of the same throughput, latency, and cost considerations as making queries to a datastore, and more and more applications are coming to depend on such queries. The following figure highlights how just one of these variables, batch size, impacts throughput and latency on ResNet50.

Hardware 58

Hardware Latency Serverless Energy 58

HammerDB

MAY 5, 2019

So the PAUSE instruction is an optimization over NOP when a thread is waiting to acquire a lock and is particularly important in spin-locks on x86 CPUs for power and performance. ” and “as the PAUSE latency has been increased significantly, workloads that are sensitive to PAUSE latency will suffer some performance loss.”

Testing 48

Testing Tuning Latency Storage 48

Percona

MARCH 23, 2023

This blog is in reference to our previous ones for ‘Innodb Performance Optimizations Basics’ 2007 and 2013. Although there have been many blogs about adjusting MySQL variables for better performance since then, I think this topic deserves a blog update since the last update was a decade ago, and MySQL 5.7

Performance 123

Performance Hardware Tuning Storage 123

Scalegrid

JUNE 4, 2020

In this post, we are going to compare the performance and pricing of DigitalOcean PostgreSQL vs. ScaleGrid PostgreSQL to help you determine the best PostgreSQL hosting service on DigitalOcean. Compare Latency. lower latency compared to DigitalOcean for PostgreSQL. PostgreSQL DigitalOcean Performance Test. Compare Pricing.

Database 230

Database Latency Benchmarking Performance 230

Abhishek Tiwari

JULY 12, 2018

Here are 8 fallacies of data pipeline The pipeline is reliable Topology is stateless Pipeline is infinitely scalable Processing latency is minimum Everything is observable There is no domino effect Pipeline is cost­-effective Data is homogeneous The pipeline is reliable The inconvenient truth is that pipeline is not reliable.

Latency 63

Latency Analytics Scalability Engineering 63

Brendan Gregg

OCTOBER 8, 2018

Screenshot: tracing read latency for PID 181: # bpftrace -e 'kprobe:vfs_read /pid == 30153/ { @start[tid] = nsecs; } kretprobe:vfs_read /@start[tid]/ { @ns = hist(nsecs - @start[tid]); delete(@start[tid]); }'. Back then I could already tell if disks were seeking by interpreting iostat(1) output: seeing high disk latency but small I/O.

C++ 110

C++ Virtualization Programming Latency 110