Brendan Gregg

JULY 4, 2021

AWS Graviton2); for memory with the arrival of DDR5 and High Bandwidth Memory (HBM) on-processor; for storage including new uses for 3D Xpoint as a 3D NAND accelerator; for networking with the rise of QUIC and eXpress Data Path (XDP); and so on. Ford, et al., “TCP

Performance 52

Performance Latency Hardware Storage 52

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. Colleagues/Internet I love using Linux performance tools. But I also love solving issues quickly, and sometimes that means just asking colleagues or searching the Internet.

Speed 52

Speed Java AWS Virtualization 52

All Things Distributed

APRIL 28, 2010

Expanding the Cloud - Opening the AWS Asia Pacific (Singapore) Region. Today Amazon Web Services has taken another important step in serving customers worldwide: the AWS Asia Pacific (Singapore) Region is now launched. Quite often "The Cloud" is portrayed as something magically transparent that lives somewhere in the internet.

AWS 61

AWS Cloud Latency Storage 61

All Things Distributed

DECEMBER 5, 2010

DNS is one of the fundamental building blocks of internet applications and was high on the wish list of our customers for some time already. Route 53 has the business properties that you have come to expect from an AWS service: fully self-service and programmable, with transparent pay-as-you-go pricing and no minimum usage commitments.

Cloud 117

Cloud Internet Internet AWS 117

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. Colleagues/Internet I love using [Linux performance tools]. But I also love solving issues quickly, and sometimes that means just asking colleagues or searching the Internet.

Speed 40

Speed Java AWS Virtualization 40

Scalegrid

JANUARY 12, 2024

These vendors serve data center players and offer advanced options, such as ScaleGrid’s engine, which ensures that different elements work well together automatically, eliminating the need for manual effort in managing heterogeneous environments. This opens up possibilities not only difficult but almost impossible to attain conventionally!

Cloud 130

Cloud Virtualization Storage Efficiency 130

Brendan Gregg

FEBRUARY 28, 2023

My personal opinion is that I don't see a widespread need for more capacity given horizontal scaling and servers that can already exceed 1 Tbyte of DRAM; bandwidth is also helpful, but I'd be concerned about the increased latency for adding a hop to more memory. Ford, et al., “TCP

Performance 52

Performance Latency Cache Virtualization 52

All Things Distributed

JULY 13, 2010

In particular this has been true for applications based on algorithms - often MPI-based - that depend on frequent low-latency communication and/or require significant cross sectional bandwidth. Driving Storage Costs Down for AWS Customers. Expanding the Cloud - The AWS Storage Gateway. Countdown to What is Next in AWS.

Cloud 118

Cloud AWS Automotive Latency 118

All Things Distributed

NOVEMBER 19, 2010

Science & Engineering. Understanding Throughput-Oriented Architectures - background article in CACM on massively parallel and throughput vs latency oriented architectures. an engineering adventure to break the 1,000 mph barrier in a car. Driving Storage Costs Down for AWS Customers. Countdown to What is Next in AWS.

AWS 67

AWS Cloud Benchmarking Storage 67

All Things Distributed

APRIL 4, 2017

Today, I am very excited to announce our plans to open a new AWS Region in the Nordics! The new region will give Nordic-based businesses, government organisations, non-profits, and global companies with customers in the Nordics, the ability to leverage the AWS technology infrastructure from data centers in Sweden.

AWS 116

AWS Airlines Latency Games 116

Brendan Gregg

SEPTEMBER 5, 2017

This includes many great engineers who I'm sure will excel in whatever they choose to work on next. Here's some output from my zfsdist tool, in bcc/BPF, which measures ZFS latency as a histogram on Linux: # zfsdist. Tracing ZFS operation latency. Many new tools can now be written, and the main toolkit we're working on is [bcc].

Virtualization 76

Virtualization AWS Engineering Hardware 76

High Scalability

DECEMBER 21, 2018

2) Cloud will decentralise in terms of provision not power i.e. Amazon will "invade" more of those holdouts with AWS Outpost. Tim Bray : How to talk about [Serverless Latency] · To start with, don’t just say “I need 120ms.” And if you know someone with hearing problems they might find Live CC useful.

Internet 137

Internet Internet Scalability Serverless 137

All Things Distributed

JULY 14, 2015

In just three short years, Amazon DynamoDB has emerged as the backbone for many powerful Internet applications such as AdRoll , Druva , DeviceScape , and Battlecamp. In traditional database architectures, database engines often run a small search engine or data warehouse engines on the same hardware as the database.

Database 167

Database Lambda AWS IoT 167

All Things Distributed

OCTOBER 2, 2017

As we began growing the AWS business, we realized that external customers might find our Dynamo database just as useful as we found it within Amazon.com. So, we set out to build a fully hosted AWS database service based upon the original Dynamo design.

Internet 128

Internet Internet AWS Performance 128

The Netflix TechBlog

FEBRUARY 18, 2022

Personalized Experience Refresh Netflix Recommendation engine continuously refreshes recommendations for every member. While a mobile device is almost always connected to the internet and reachable, a smart TV is only online while in use. This network connection heterogeneity made choosing a single delivery model difficult.

Systems 334

Systems Traffic Architecture Mobile 334

All Things Distributed

JANUARY 18, 2012

a Fast and Scalable NoSQL Database Service Designed for Internet Scale Applications. Today is a very exciting day as we release Amazon DynamoDB , a fast, highly reliable and cost-effective NoSQL database service designed for internet scale applications. Amazon DynamoDB offers low, predictable latencies at any scale. Comments ().

Scalability 167

Scalability Database Ecommerce Latency 167

All Things Distributed

JUNE 21, 2018

In fact, this is been proven by our customers as Amazon Aurora remains the fastest growing service in AWS history. We are increasingly seeing customers wanting to build Internet-scale applications that require diverse data models. Amazon ES is also a powerful, high-performance search engine for full-text search use cases.

Database 167

Database AWS Games Latency 167

Smashing Magazine

JANUARY 7, 2019

Deviation metrics As noted by Wikipedia engineers , data of how much variance exists in your results could inform you how reliable your instruments are, and how much attention you should pay to deviations and outlers. Estimated Input Latency tells us if we are hitting that threshold, and ideally, it should be below 50ms.

Performance 104

Performance Cache Metrics Network 104

All Things Distributed

JUNE 21, 2017

You can add DAX to your existing DynamoDB applications with just a few clicks in the AWS Management Console – no application rewrites required. Based on this experience and learning, we built DynamoDB to be a fast, highly scalable NoSQL database to meet the needs of Internet-scale applications. We are major users of DynamoDB.

Speed 121

Speed Cache Latency AWS 121

Smashing Magazine

JANUARY 6, 2020

Performance isn’t just a technical concern: it affects everything from accessibility to usability to search engine optimization, and when baking it into the workflow, design decisions have to be informed by their performance implications. Estimated Input Latency tells us if we are hitting that threshold, and ideally, it should be below 50ms.

Performance 145

Performance Cache Network Metrics 145

All Things Distributed

OCTOBER 12, 2016

Three years ago, as part of our AWS Fast Data journey we introduced Amazon ElastiCache for Redis , a fully managed in-memory data store that operates at sub-millisecond latency. This allows for faster failover times while minimizing latency. Amazon’s enhancements address many day-to-day challenges with running Redis.

Scalability 130

Scalability Analytics Cache AWS 130

Smashing Magazine

JANUARY 11, 2021

Performance isn’t just a technical concern: it affects everything from accessibility to usability to search engine optimization, and when baking it into the workflow, design decisions have to be informed by their performance implications. Estimated Input Latency tells us if we are hitting that threshold, and ideally, it should be below 50ms.

Performance 145

Performance Cache Media Metrics 145

All Things Distributed

NOVEMBER 15, 2010

For example, the most fundamental abstraction trade-off has always been latency versus throughput. Modern CPUs strongly favor lower latency of operations with clock cycles in the nanoseconds and we have built general purpose software architectures that can exploit these low latencies very well. Where to go from here?

AWS 136

AWS Latency Programming Architecture 136

All Things Distributed

DECEMBER 12, 2013

However, we also knew that building a distributed database that has unlimited scale and maintains predictably high performance while providing rich and flexible query capabilities, is one of the hardest problems in database development, and will take a lot of effort and invention from our team of distributed database engineers to solve.

Games 130

Games Scalability Database Retail 130