Brendan Gregg

AUGUST 29, 2021

1072-aws (xxx) 12/18/2018 _x86_64_ (16 CPU) avg-cpu: %user %nice %system %iowait %steal %idle 5.03 avg-cpu: %user %nice %system %iowait %steal %idle 14.81 avg-cpu: %user %nice %system %iowait %steal %idle 14.86 avg-cpu: %user %nice %system %iowait %steal %idle 14.95 Counting cache functions. 17 48011 [.].

Cache 105

Cache C++ AWS Latency 105

The Morning Paper

FEBRUARY 6, 2020

Last week we looked at a function shipping solution to the problem; Cloudburst uses the more common data shipping to bring data to caches next to function runtimes (though you could also make a case that the scheduling algorithm placing function execution in locations where the data is cached a flavour of function-shipping too).

Lambda 98

Lambda Serverless Cache Latency 98

Speed Curve

FEBRUARY 5, 2024

Caching the base page/HTML is common, and it should have a positive impact on backend times. Key things to understand from your CDN Cache Hit/Cache Miss – Was the resource served from the edge, or did the request have to go to origin? This can include a lot of different service layers, not just serving from cache.

Servers 57

Servers Cache Retail Benchmarking 57

Brendan Gregg

APRIL 14, 2022

I hope my last two books, [Systems Performance 2nd Ed] and [BPF Performance Tools] serve Netflix well in my absence and everyone else who reads them. I'll still be posting here in my next job. More on that soon.

Java 145

Java Cloud Cache AWS 145

All Things Distributed

MARCH 5, 2012

Werner Vogels weblog on building scalable and robust distributed systems. Driving Compute Cost Down for AWS Customers. AWS today announced a substantial price drop from March 1, 2012 for many of the Amazon EC2, Amazon RDS, and Amazon ElastiCache instances types around the world. All Things Distributed. Comments (). Contact Info.

AWS 110

AWS Innovation Scalability Cache 110

The Netflix TechBlog

MARCH 5, 2019

the order of the rows on your Netflix home page, issuing content licenses when you click play, finding the Open Connect cache closest to you with the content you requested, and many more). All these micro-services are currently operated in AWS cloud infrastructure. How can we automatically provision or de-provision access privileges?

Infrastructure 182

Infrastructure Cloud Scalability AWS 182

The Morning Paper

MAY 12, 2019

An open-source benchmark suite for microservices and their hardware-software implications for cloud & edge systems Gan et al., Systems built with lots of microservices have different operational characteristics to those built from a small number of monoliths, we’d like to study and better understand those differences.

Open Source 61

Open Source Hardware Benchmarking Systems 61

Brendan Gregg

FEBRUARY 28, 2023

This talk originated from my updates to [Systems Performance 2nd Edition], and this was the first time I've given this talk in person! CXL in a way allows a custom memory controller to be added to a system, to increase memory capacity, bandwidth, and overall performance. Ford, et al., “TCP

Performance 110

Performance Latency Cache Virtualization 110

Smashing Magazine

AUGUST 3, 2023

It also opens up the possibility for more effective use of caching strategies, potentially enhancing load times further. Their primary role is to store (or “cache”) copies of web content — like HTML pages, JavaScript files, and multimedia content — and deliver it to users based on their geographic location.

Performance 74

Performance Cache Traffic Metrics 74

The Morning Paper

MARCH 8, 2020

have altered the many assumptions that guided the design and optimization of the Snowflake system. Traditional data warehouse systems are largely based on shared-nothing designs: persistent data is partitioned across a set of nodes, each responsible for its local data. S3 on AWS). From shared-nothing to disaggregation.

Storage 112

Storage Engineering Cache Serverless 112

All Things Distributed

AUGUST 22, 2011

Werner Vogels weblog on building scalable and robust distributed systems. Today AWS has launched Amazon ElastiCache , a new service that makes it easy to add distributed in-memory caching to any application. Systems that make extensive use of caching almost all report a significant reduction in the cost of their database tier.

Cloud 117

Cloud Cache AWS Storage 117

The Morning Paper

AUGUST 29, 2019

If you’re moving an OLAP workload to the cloud (AWS in the context of this paper), what DBMS setup should you go with? We focused on OLAP-oriented parallel data warehouse products available for AWS and restricted our attention to commercially available systems. Choosing a cloud DBMS: architectures and tradeoffs Tan et al.,

Architecture 76

Architecture Cloud Storage Serverless 76

IO River

NOVEMBER 2, 2023

It’s not just limited to cloud resources like AWS and Azure; Terraform is versatile, extending its capabilities to key performance areas like Content Delivery Network (CDN) management, ensuring efficient content delivery and optimal user experience.‍Started ‍AutomationCode-based systems also shine in automation.

Open Source 52

Open Source DevOps AWS Azure 52

The Netflix TechBlog

OCTOBER 15, 2019

caching (Memcached etc.), Another issue exists for the capture of schema changes, where some systems, like MySQL, don’t support transactional schema changes [1][2]. By their nature, they can only rely on the lowest common denominator of participating systems. providing advanced search capabilities (ElasticSearch etc.),

Transportation 192

Transportation Architecture Processing Storage 192

HammerDB

APRIL 19, 2023

Therefore, before we attempt to measure our database performance, we should know the system or cloud instance to be tested in detail. For example, if you are buying the latest Amazon memory-optimized EC2 instance (R7iz), the AWS page ( [link] ) tells us the following: Up to 3.9 Operating System: Ubuntu 22.04

Performance 54

Performance Benchmarking Cache Storage 54

Adrian Cockcroft

JANUARY 20, 2023

on Myths and Legends of High Performance Computing  — it’s a somewhat light-hearted look at some of the same issues by the leader of the team that built the Fugaku system I mention below. HPCG is led by Japan’s RIKEN Fugaku system at 16 petaflops, which is 3% of it’s peak capacity. Next generation architectures will use CXL3.0

Architecture 52

Architecture Latency Benchmarking AWS 52

The Netflix TechBlog

NOVEMBER 3, 2022

As the number of Titus users increased over the years, the load and pressure on the system increased substantially. We introduce a caching mechanism in the API gateway layer, allowing us to offload processing from singleton leader elected controllers without giving up strict data consistency and guarantees clients observe.

Cache 224

Cache Latency Traffic Systems 224

IO River

NOVEMBER 2, 2023

‍Think of a situation where you're asked to build a service in AWS that distributes static content to your users. Your first option is to use its native CDN - Amazon CloudFront, as it seamlessly integrates with all of your other AWS Services that you're using to build your service.‍For What is vendor lock-in?‍Think

Lambda 52

Lambda AWS Cache Website 52

IO River

NOVEMBER 2, 2023

In fact, Amazon Web Services (AWS) paved the way with its service, CloudFormation, which introduced the concept of Infrastructure as Code (IaC). Taking inspiration from AWS's CloudFormation, HashiCorp introduced Terraform with a broader vision. This level of granularity is not found in UI-managed systems.

Open Source 40

Open Source DevOps AWS Azure 40

Brendan Gregg

AUGUST 29, 2021

1072-aws (xxx) 12/18/2018 _x86_64_ (16 CPU) avg-cpu: %user %nice %system %iowait %steal %idle 5.03 avg-cpu: %user %nice %system %iowait %steal %idle 14.81 avg-cpu: %user %nice %system %iowait %steal %idle 14.86 avg-cpu: %user %nice %system %iowait %steal %idle 14.95 Output every 1 seconds. 17 48011 [.]

Cache 40

Cache C++ AWS Systems 40

All Things Distributed

DECEMBER 18, 2012

Werner Vogels weblog on building scalable and robust distributed systems. After the AWS re: Invent conference I spent two weeks in Europe for the last customer visits of the year. Although there are still a few very exciting AWS news updates to happen this year. Bar-Yam, Journal of Systems Science and Complexity.

Operating System 144

Operating System Cache AWS Scalability 144

The Morning Paper

JUNE 23, 2019

Coupled with stateless application servers to execute business logic and a database-like system to provide persistent storage, they form a core component of popular data center service archictectures. Why are developers using RInK systems as part of their design? We’ve seen similar high marshalling overheads in big data systems too.)

Cache 79

Cache Latency Google Lambda 79

All Things Distributed

DECEMBER 5, 2010

Werner Vogels weblog on building scalable and robust distributed systems. I am very excited that today we have launched Amazon Route 53, a high-performance and highly-available Domain Name System (DNS) service. Naming is one of the fundamental concepts in Distributed Systems. By Werner Vogels on 05 December 2010 02:00 PM.

Cloud 117

Cloud Internet Internet AWS 117

IO River

NOVEMBER 2, 2023

Think of a situation where you're asked to build a service in AWS that distributes static content to your users. CloudFront makes a simple choice here as it offers direct integration with all these services to let you cache responses across its global edge locations. What is vendor lock-in?‍Think

Lambda 52

Lambda AWS Cache Website 52

Brendan Gregg

FEBRUARY 28, 2023

This talk originated from my updates to Systems Performance 2nd Edition , and this was the first time I've given this talk in person! CXL in a way allows a custom memory controller to be added to a system, to increase memory capacity, bandwidth, and overall performance. Ford, et al., “TCP

Performance 52

Performance Latency Cache Virtualization 52

Smashing Magazine

JUNE 25, 2020

Today, we’ll address storing and serving files for both single-server and scalable deployments while considering factors like compression, caching, and availability. Then, you need to set up a bucket and IAM role on AWS, which is outside the scope of this article, but you can see instructions for here. Client-Side Caching.

Media 69

Media Cache Storage AWS 69

All Things Distributed

NOVEMBER 26, 2013

As I discussed in my re:Invent keynote earlier this month, I am now happy to announce the immediate availability of Amazon RDS Cross Region Read Replicas , which is another important enhancement for our customers using or planning to use multiple AWS Regions to deploy their applications. Cross Region Read Replicas are available for MySQL 5.6

Cloud 145

Cloud AWS Traffic Latency 145

Percona

APRIL 17, 2023

In this blog post, we will discuss the best practices on the MongoDB ecosystem applied at the Operating System (OS) and MongoDB levels. Operating System (OS) settings Swappiness Swappiness is a Linux kernel setting that influences the behavior of the Virtual Memory manager when it needs to allocate a swap, ranging from 0-100.

Best Practices 52

Best Practices Design Tuning Database 52

Percona

MAY 2, 2023

As a MongoDB user, it’s crucial to ensure that your data is safe and secure in the event of a disaster or system failure. Regular database backups are essential to protect against data loss caused by system failures, human errors, natural disasters, or cyber-attacks. Why are MongoDB database backups important?

Best Practices 52

Best Practices Database Storage Servers 52

Brendan Gregg

APRIL 14, 2022

I hope my last two books, Systems Performance 2nd Ed and BPF Performance Tools serve Netflix well in my absence and everyone else who reads them. Thank you. I'll still be posting here in my next job. More on that soon.

Java 52

Java Cache Cloud AWS 52

The Morning Paper

JUNE 16, 2019

Specifically, scalable, parallel streaming dataflow computing systems now support partially-stateful and dynamically-changing dataflows. The amount of computation required on a base update can be reduced by sharing computation and cached data between universes. Recent research has provided this missing key primitive.

Database 90

Database Cache Benchmarking Efficiency 90

All Things Distributed

SEPTEMBER 28, 2012

Werner Vogels weblog on building scalable and robust distributed systems. I am in India for the AWS Summits in Mumbai, Chennai and Bangalore (next week). In 2000 an improvement on the original Bloom filters called Counting Bloom Filters was published as part of the Summary Cache protocol. All Things Distributed. Comments ().

Cache 84

Cache AWS Scalability Network 84

Smashing Magazine

JANUARY 11, 2021

Build Optimizations JavaScript modules, module/nomodule pattern, tree-shaking, code-splitting, scope-hoisting, Webpack, differential serving, web worker, WebAssembly, JavaScript bundles, React, SPA, partial hydration, import on interaction, 3rd-parties, cache. This improves page load time and caching during navigations.

Performance 145

Performance Cache Media Metrics 145

All Things Distributed

AUGUST 17, 2011

Werner Vogels weblog on building scalable and robust distributed systems. Amazon S3 is much more than just storage; the network and distributed systems infrastructure to ensure that content can be served fast and at high rates without customers impacting each other, is amazing. Driving Storage Costs Down for AWS Customers.

Servers 126

Servers Social Media AWS Website 126

The Netflix TechBlog

NOVEMBER 9, 2022

to a larger AWS instance size, from m5.4xl (16 vCPUs) to m5.12xl (48 vCPUs). As GS2 relies on AWS EC2 Auto Scaling to target-track CPU utilization, we thought we just had to redeploy the service on the larger instance type and wait for the ASG (Auto Scaling Group) to settle on the CPU target. Thread 0’s cache in this example.

Hardware 363

Hardware Cache Performance Latency 363

The Netflix TechBlog

NOVEMBER 15, 2022

Rachel Kelley (AWS), Ranjit Raju (AWS) Rendering is core to the the VFX process VFX studios around the world create amazing imagery for Netflix productions. Rendering on AWS provides the flexibility to control how quickly a project is completed. By: Peter Cioni (Netflix), Alex Schworer (Netflix), Mac Moore (Conductor Tech.),

Cloud 282

Cloud Entertainment AWS Infrastructure 282

Smashing Magazine

JANUARY 6, 2020

You could go as far as evaluating a framework (or any JavaScript library) on Sacha Greif’s 12-point scale scoring system by exploring features, accessibility, stability, performance, package ecosystem, community, learning curve, documentation, tooling, track record, team, compatibility, security for example.

Performance 145

Performance Cache Network Metrics 145