Brendan Gregg

DECEMBER 30, 2017

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. Virtual Memory. We help where we can. We help where we can.

Tuning 52

Tuning AWS Best Practices Network 52

Brendan Gregg

JULY 4, 2021

It's an exciting time for developments in computer performance, not just for the BPF technology (which I often [write about]) but also for processors with 3D stacking and cloud vendor CPUs (e.g., This was a chance to talk about other things I've been working on, such as the present and future of hardware performance.

Performance 52

Performance Latency Hardware Storage 52

SQL Performance

APRIL 8, 2019

Back on December 5, 2017, Microsoft announced that they were using AMD EPYC 7551 processors in their storage-optimized Lv2-Series virtual machines. The AMD EPYC 7551 processor has slightly lower single-threaded CPU performance when compared to the older 2.3 Since then, Microsoft has changed the naming of this series to Lsv2.

Azure 42

Azure Virtualization Storage Benchmarking 42

Brendan Gregg

SEPTEMBER 5, 2017

I gave a talk about container performance recently at DockerCon, and included a quick summary of how they work: YouTube , SlideShare : If you search of slideshare and youtube, you'll find many other good talks on containers as well. People rarely create them manually.

Virtualization 76

Virtualization AWS Engineering Hardware 76

Brendan Gregg

SEPTEMBER 25, 2021

These strange questions came to the fore back in 2014 when Netflix was switching services from CentOS Linux to Ubuntu, and I helped debug several weird performance issues including one I'll describe here. A quick check of basic performance statistics showed over 30% higher CPU consumption. How would you _time_ time?

Speed 126

Speed Java AWS Virtualization 126

The Symphonia

DECEMBER 6, 2017

Correspondingly, 3GB functions should see a 2x CPU performance improvement over 1.5GB Lambdas, but this is through doubling the number of cores the function has access to, rather than double the virtualized time-slices. Lambda functions can now be configured to have 3GB RAM , up from 1.5GB. We’re the experts!

Serverless 40

Serverless Lambda AWS Traffic 40

Smashing Magazine

JUNE 3, 2022

Measuring The Performance Of Typefaces For Users (Part 1). Measuring The Performance Of Typefaces For Users (Part 1). How well does a typeface work and perform against another similar typeface? Reasons To Measure The Performance Of Typefaces? Measuring Typefaces And The Resulting Performance Data. Thomas Bohm.

Performance 111

Performance Design Best Practices Testing 111

All Things Distributed

OCTOBER 2, 2017

We were pushing the limits of what was a leading commercial database at the time and were unable to sustain the availability, scalability and performance needs that our growing Amazon business demanded. Performant – The service would need to be able to maintain consistent performance in the face of diverse customer workloads.

Internet 128

Internet Internet AWS Performance 128

O'Reilly

FEBRUARY 18, 2020

Up until 2017, the ML+AI topic had been amongst the fastest growing topics on the platform. After several years of steady climbing—and after outstripping Java in 2017—Python-related interactions now comprise almost 10% of all usage. there’s a Python library for virtually anything a developer or data scientist might need to do.

Software Architecture 132

Software Architecture DevOps Data Engineering Architecture 132

SQL Server According to Bob

DECEMBER 18, 2018

Durability is a cornerstone of any database system and starting with SQL Server 2017 on Linux Cumulative Update 6 (CU6), SQL Server on Linux enables “Forced Flush” behavior as described in this article , improving durability on non-Fua optimized systems. “Be Val and Dylan performing power outage durability testing and adding new tests.

Servers 90

Servers Media Cache Storage 90

Dynatrace

FEBRUARY 25, 2021

since 2017, and many customers have used it with great success while we collected requirements for the next iteration of our Lambda extension. We’re talking about a few hundred milliseconds, but this can have a considerable performance impact when cold starts occur too often. The virtual CPU is turned off.

Lambda 227

Lambda AWS Monitoring Serverless 227

SQL Performance

AUGUST 27, 2019

TPC-H Benchmark Results with SQL Server 2017. HPE has already submitted a new official TPC-H result on SQL Server 2017 for a single-socket, HPE Proliant DL325 Gen10 1U server that was 743,750 QphH@1000GB. TPC-E Benchmark Results with SQL Server 2017. AMD Rome Second Generation EPYC Review: 2x 64-core Benchmarked.

Servers 52

Servers Benchmarking Virtualization Architecture 52

SQL Performance

JULY 8, 2020

I’ll then talk about unusual cases where unnesting can be undesirable, resulting in either errors or performance degradation, and demonstrate how to prevent unnesting in those cases by employing an unnesting inhibitor. The outer query then filters from those three orders only those that were placed on or after July 8 th , 2017.

Servers 110

Servers Code Processing Performance 110

IO River

NOVEMBER 2, 2023

Delta Air Lines experienced a severe system outage in 2017, resulting in flight cancellations and delays across their network. In massively multiplayer online games (MMOs), where players can trade virtual goods, downtime can even have real-world financial implications for players.

Availability 52

Availability Social Media Traffic Games 52

IO River

NOVEMBER 2, 2023

Delta Air Lines experienced a severe system outage in 2017, resulting in flight cancellations and delays across their network. In massively multiplayer online games (MMOs), where players can trade virtual goods, downtime can even have real-world financial implications for players.

Availability 52

Availability Social Media Traffic Games 52

Dynatrace

OCTOBER 17, 2019

We’re currently in a technological era where we have a large variety of computing endpoints at our disposal like containers, Platform as a Service (PaaS), serverless, virtual machines, APIs, etc. We went from managing five EC2 instances in 2011 to around 1,000 in 2017. with more being added continually.

Code 111

Code Infrastructure DevOps Serverless 111

ACM Sigarch

APRIL 26, 2018

They unveiled their first two embedded AI chips fabricated with TSMC 40nm process in December 2017: “Journey 1.0 EPU: Emotion Processing Unit is designed by Emoshape , as the MCU microchip design to enable a true emotional response in AI, robots and consumer electronic devices as a result of a virtually unlimited cognitive process.

Hardware 99

Hardware Artificial Intelligence Architecture Google 99

Brendan Gregg

JULY 14, 2019

BPF (eBPF) tracing is a superpower that can analyze everything, and I'll show you how in my upcoming book BPF Performance Tools: Linux System and Application Observability , coming soon from Addison Wesley. Since BPF does so many things, it is becoming a technology name and no longer an acronym. BPF is in the Linux kernel. ## Why Your Book?

Systems 40

Systems Performance Education Technology 40

Brendan Gregg

SEPTEMBER 25, 2021

These strange questions came to the fore back in 2014 when Netflix was switching services from CentOS Linux to Ubuntu, and I helped debug several weird performance issues including one I'll describe here. A quick check of basic performance statistics showed over 30% higher CPU consumption. How would you _time_ time?

Speed 40

Speed Java AWS Virtualization 40

Percona

AUGUST 15, 2023

This blog was originally published in February 2017 and was updated in August 2023. Perform routine maintenance and backups to ensure data integrity. Remember that semi-synchronous replication impacts performance because it needs to wait for the round trip of the actual ACK from the replica. and was GA’ed in MySQL 5.7.17.

Servers 52

Servers Database Availability Traffic 52

Percona

JULY 7, 2023

HA in PostgreSQL databases delivers virtually continuous availability, fault tolerance, and disaster recovery. It enables businesses and organizations to meet uptime and service level objectives, protect business-critical data, and maintain performant databases. The same changes made in the primary database are made in the replicas.

Availability 83

Availability Open Source Architecture Database 83

Percona

APRIL 12, 2023

2017: MongoDB goes public, trading as MDB. We are really pleased with our Q1 performance and see it as continued validation of the massive market we are pursuing, our strong product market fit, and our ability to execute.” Some might say this marked the beginning of MongoDB’s “cloud push” escalation.)

Open Source 81

Open Source Programming Database Servers 81

Tasktop

JANUARY 27, 2021

Expanding on the significant role that virtual product development plays in modern automotive manufacturing, René and Mik discussed how value stream management (VSM) has enabled BMW to successfully expand its presence in the Chinese market. A plan for effectively reducing debt must be implemented to preserve existing and future performance).

Code 52

Code Automotive Government Network 52

Percona

SEPTEMBER 1, 2023

This blog was originally published in October 2017 and was updated in September 2023. Scalability is a significant concern, as databases must handle growing data volumes and user demands while maintaining peak performance. A poorly chosen shard key can lead to performance issues.

Best Practices 71

Best Practices Traffic Database Servers 71

ACM Sigarch

FEBRUARY 23, 2018

Richard Thaler won the 2017 Nobel prize in Economics for his work on Behavioral Economics. Virtualization, for instance, was being addressed by IBM in the 1960s. Both virtualization and power burst onto the architecture community seemingly out of nowhere even though there was a clear historical basis and trend for both.

Architecture 47

Architecture Cache Hardware Virtualization 47

Alex Russell

DECEMBER 31, 2023

Barrels of virtual ink has been spilt documenting unfair app store terms, conditions, and competition. Meanwhile, in the EU, Apple attempted to wriggle out of regulations that might bring about proper browser choice by arguing that Safari is actually three under-performing browsers. Or spot-check coverage of the NTIA's February report.

Google 93

Google Mobile Games Strategy 93

Alex Russell

APRIL 29, 2021

Classics of the genre include: Apple's just focused on performance! The Performance Argument. As an engineer on a browser team, I'm privy to the blow-by-blow of various performance projects, benchmark fire drills, and the ways performance marketing (deeply) impacts engineering priorities. Web Performance APIs.

Media 145

Media Games Education Engineering 145

Smashing Magazine

DECEMBER 22, 2021

In fact, as the Baymard Institute found out, the mobile e-commerce performance for the average top-grossing US and European e-commerce sites is only mediocre. Stéphanie Walter gave a talk about enhancing UX with CSS animations at the virtual Shift Remote conference in August last year.

Airlines 129

Airlines Mobile Design Strategy 129

Brendan Gregg

AUGUST 8, 2017

If they are higher than your CPU count, then you might have a performance problem (it depends). His example of using a slower swap disk makes sense: by degrading the system's performance, the demand on the system (measured as running + queued) should increase. which should improve performance and lower the load average.

Latency 111

Latency Metrics C++ Systems 111

SQL Server According to Bob

DECEMBER 31, 2018

The project uses parallel threads to perform scatter/gather activities as well as tournament sorting to optimize the sorting and merging activities. protected virtual void Dispose(bool bDisposing) { if (true == bDisposing) { m_MatchingTree.Dispose(); m_MatchingTree = null; if (null != virtual public void AbortAllWorkers() { if (null !=

Efficiency 40

Efficiency Code Servers Cache 40