Dynatrace

APRIL 28, 2020

Gartner just released its latest Magic Quadrant for Application Performance Monitoring (APM) , and a separate Critical Capabilities for APM report. The Gartner document is available upon request from Dynatrace LLC. . Gartner, Magic Quadrant for Application Performance Monitoring, Charley Rich, Federico De Silva, 22 April 2020.

DevOps 250

DevOps Innovation Monitoring Analytics 250

Alex Podelko

JUNE 12, 2019

My post Good Times for Load Testing was published in 2014. I am not so upbeat as I was in 2014. Microfocus acquired both LoadRunner from HP and Silk Performer (as a part of Borland). IBM Rational Performance Tester and IBM Rational Performance Tester on Cloud (including no charge Starter Edition) appear to be available.

Testing 243

Testing Open Source Testing Tools Performance Testing 243

Dynatrace

JUNE 13, 2022

In the latest Gartner® Peer Insights™ Voice of the Customer: Application Performance Monitoring report, customers also named Dynatrace a Customers’ Choice. Dynatrace) delivers the most precise answers in a very short amount of time, and it has helped to enhance the performance of the company as a result.”. Everything is automated.

Innovation 211

Innovation Cloud Open Source Monitoring 211

Dynatrace

NOVEMBER 8, 2021

Application performance monitoring (APM) solutions have evolved in recent years, and organizations now have plenty of options to choose from when selecting the right tools for their needs. APM solutions track key software application performance metrics using monitoring software and telemetry data. Dynatrace news.

Artificial Intelligence 238

Artificial Intelligence Monitoring Infrastructure Cloud 238

SQL Performance

JULY 24, 2022

In the very first post on this site, I compared the performance of long-standing running totals methods with the new windowing functions added in SQL Server 2012. When Availability Groups were first introduced, they were only available in Enterprise Edition. Best approaches for running totals – updated for SQL Server 2012.

Servers 66

Servers Strategy Availability Processing 66

Dynatrace

APRIL 19, 2021

I am delighted to share, Dynatrace has been named a Leader for the 11 th consecutive time in the 2021 Gartner Magic Quadrant for Application Performance Monitoring (APM) report. The Gartner document is available upon request from Dynatrace. Dynatrace was spun off from Compuware following the privatization of Compuware in December 2014.

DevOps 162

DevOps Innovation Speed Infrastructure 162

Alex Russell

MARCH 6, 2021

Back in 2016, I gave a talk outlining the causes and effects of the terrible performance of web apps built using popular tools on the fastest-growing device segment: low-end to mid-range Android phones. Poor performance has a compound effect on user expectations at an ecosystem level. Live by the link, die by the link.

Performance 124

Performance Network Cache Metrics 124

Dynatrace

AUGUST 16, 2021

Since becoming General Availability in the fall of 2019 , GitHub Actions has helped teams automate continuous integration and continuous delivery (CI/CD) workflows for code builds, tests, and deployments. Leverage AI-driven decision making and leveraging standardized pipelines ?. GitHub and GitHub Actions. Try it yourself.

Software 246

Software Software Open Source Azure 246

SQL Server According to Bob

SEPTEMBER 26, 2016

When we released Always On Availability Groups in SQL Server 2012 as a new and powerful way to achieve high availability, hardware environments included NUMA machines with low-end multi-core processors and SATA and SAN drives for storage (some SSDs). As we moved towards SQL Server 2014, the pace of hardware accelerated.

Availability 40

Availability Servers Hardware Benchmarking 40

Dynatrace

FEBRUARY 25, 2021

Since its introduction by AWS in 2014, AWS Lambda has revolutionized the compute space and boosted the entire serverless movement. To handle N parallel requests, N Lambda instances need to be available, and AWS will spin up up to 1000 such instances automatically to handle 1000 parallel requests. Dynatrace news.

Lambda 227

Lambda AWS Monitoring Serverless 227

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 long does it take to read the time?

Speed 126

Speed Java AWS Virtualization 126

Dynatrace

APRIL 5, 2021

The 2014 launch of AWS Lambda marked a milestone in how organizations use cloud services to deliver their applications more efficiently, by running functions at the edge of the cloud without the cost and operational overhead of on-premises servers. Optimizing Lambda for performance. Dynatrace news. What is AWS Lambda?

Lambda 186

Lambda AWS Serverless Hardware 186

Dynatrace

MAY 31, 2021

Since Kubernetes emerged in 2014, it has become a popular solution for scaling, managing, and automating the deployments of containerized applications in distributed environments. The Kube-scheduler schedules the pods, allocating available resources based on the CPU and memory requirements of each node. Resource optimization.

Virtualization 134

Virtualization DevOps Infrastructure Cloud 134

Brendan Gregg

JULY 2, 2021

I chose these to find the most performance wins with the fewest tools. For a more recent example, I wrote cachestat(8) while on vacation in 2014 for use on the Netflix cloud, which was a mix of Linux 3.2 BPF didn't exist on those versions, so I used basic Ftrace capabilities that were available on Linux 3.2. at the time.

Latency 145

Latency Cache Energy Systems 145

Brendan Gregg

DECEMBER 31, 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. Not a lot has changed with these tunables since my [2014] talk.

Tuning 61

Tuning AWS Best Practices Network 61

The Netflix TechBlog

APRIL 17, 2019

Netflix headquarters circa 2014. Scalable Video Technology (SVT) is Intel’s open source framework that provides high-performance software video encoding libraries for developers of visual cloud technologies. AOM has produced the reference software for AV1, which is called libaom and is available online.

Open Source 166

Open Source Scalability Speed Efficiency 166

Alex Russell

APRIL 29, 2021

This post mines publicly available data on the pace of compatibility fixes and feature additions to assess the claim. Classics of the genre include: Apple's just focused on performance! The Performance Argument. Spurious reports of "10x worse" performance merit intense scepticism. Steve & Tim's Close-up Magic.

Media 145

Media Games Education Engineering 145

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. Not a lot has changed with these tunables since my [2014] talk.

Tuning 52

Tuning AWS Best Practices Network 52

Alex Podelko

NOVEMBER 21, 2018

In 2014, I was preparing a presentation about load testing tools and criteria for their selection. It is great that the book is not limited by the core JMeter functionality and discusses available components and integrations when appropriate. Load testing is an important part of the performance engineering process.

DevOps 113

DevOps Testing Testing Tools Performance Testing 113

Brendan Gregg

AUGUST 29, 2021

A service team was debugging a performance issue and noticed it coincided with a high rate of paging. I was asked to help, and used a variety of performance tools to solve this including those that use eBPF and Ftrace. total used free shared buff/cache available Mem: 64414 15421 349 5 48643 48409 Swap: 0 0 0.

Cache 105

Cache C++ AWS Latency 105

Brendan Gregg

NOVEMBER 29, 2017

Hardware virtualization for cloud computing has come a long way, improving performance using technologies such as VT-x, SR-IOV, VT-d, NVMe, and APICv. At Netflix, we've been using these technologies as they've been made available for instance types in the AWS EC2 cloud.

Virtualization 111

Virtualization AWS Hardware Storage 111

The Morning Paper

FEBRUARY 11, 2020

Let’s Encrypt was publically announced on November 18th 2014, and began providing service to the public on Decemmber 3rd 2015. In late 2014, it secured financial commitments from Akamai, Cisco, EFF, and Mozilla, allowing the organization to purchase equipment, secure hosting contracts, and pay initial staff.

Internet 119

Internet Internet Open Source Transportation 119

The Morning Paper

OCTOBER 1, 2020

That app is subject to “voluminous (public) user feedback”, and in the 2014 floating-point based calculator, bug reports relating to inaccurate results, unnecessary zeroes, and the like. For calculators, spreadsheets, and many other applications we don’t need the raw performance of hardware floating point operations. Evaluation.

Java 143

Java Hardware Open Source Testing 143

SQL Performance

APRIL 8, 2019

These VMs are not available in all regions, so you will want to check the availability in the Azure region that you are interested in using. As 128GB DDR4 DIMMs become more widely available that total capacity will double. lanes per socket that is available in the host machine with the AMD EPYC 7551 processor.

Azure 42

Azure Virtualization Storage Benchmarking 42

SQL Performance

MAY 1, 2019

This is reflected in the summary tables included in the Data Loading Performance Guide and the Tiger Team post. As noted in the Data Loading Performance Guide , bulk loading with INSERT.SELECT takes an exclusive X lock on the table, not the bulk update BU lock required for concurrent bulk loads. Introduction. The Data Size Calculation.

Servers 47

Servers Database Testing Performance 47

SQL Performance

MAY 16, 2019

Achieving minimal logging using INSERT.SELECT into an empty clustered index target is not quite as simple as described in the Data Performance Loading Guide. The Data Loading Performance Guide contains a high-level summary of the conditions required for minimal logging into clustered tables: This post is concerned with the top row only.

Cache 67

Cache Servers Testing Storage 67

MachMetrics

JUNE 16, 2020

Secondly, SSL/HTTPS unlocks additional web performance benefits that more than make up for the added latency. Google made SSL use a ranking factor way back in 2014, and since Chrome 68, a “Not Secure” warning appears next to the URL of sites that aren’t using HTTPS. How HTTPS Improves Performance.

Speed 86

Speed Latency Google Website 86

SQL Performance

MARCH 17, 2020

Back in 2014, I wrote an article called Performance Tuning the Whole Query Plan. It has 32GB RAM, with 24GB available to the SQL Server 2019 instance. Performance is competitive at around 15ms. This code is provided for interest and is not included in the performance summary table. Test Environment. BountyAmount.

Servers 86

Servers Tuning Database Efficiency 86

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 long does it take to read the time?

Speed 40

Speed Java AWS Virtualization 40

SQL Performance

FEBRUARY 22, 2021

We pay a lot of attention to latency here, along with any long-running transactions, because of downstream impact to technologies that use the log reader – like Availability Groups and transactional replication. Recently one of our teams was investigating a log reader latency issue. sysprocesses. dm_os_performance_counters.

Latency 57

Latency Servers Monitoring Systems 57

All Things Distributed

JULY 20, 2015

A cluster is just a pool of compute resources available to a customer’s applications. The agent is written in Go, has a minimal footprint, and is available on GitHub under an Apache license. This architecture affords Amazon ECS high availability, low latency, and high throughput because the data store is never pessimistically locked.

Latency 166

Latency Architecture AWS Open Source 166

Enprowess

JANUARY 11, 2022

With a myriad of options available out there, we have compiled a list of top frontend frameworks out there to help you out. These front end frameworks provide various templates to interact with browser components and are compatible with various libraries which boost the performance while reducing the amount of code required.

Virtualization 64

Virtualization Website Speed Mobile 64

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 52

Speed Java AWS Virtualization 52

Alex Russell

JUNE 22, 2022

Past swings away from OS default browsers have hinged on the superior features , better performance , improved security , and adequate site compatibility that come from switching. Without the ability to differentiate on features, security, performance, and privacy, what's to sell? What are those mechanisms? A slightly different UI ?

Engineering 110

Engineering Traffic Government Google 110

The Morning Paper

JANUARY 21, 2020

In the next post we’ll look at the detailed analysis of how a team at Etsy handled a particular incident on December 4th 2014, to see what we can learn from it. Availability – choosing by how easily the option comes to mind. Why is this even a thing? Perhaps it seems obvious that incident management is hard.

Internet 98

Internet Internet Strategy Energy 98

SQL Server According to Bob

JULY 12, 2016

Trace flags 2562 and 2549 are documented in knowledgebase article: [link] and the blog post [link] highlights the SQL 2016 DBCC performance improvements. For SQL Server 2008, 2012 and 2014 the trace flag behavior remains the same. For SQL Server 2016 the trace flags are available but the behavior may be altered by the design changes.

Servers 40

Servers Design Engineering Database 40

Percona

JUNE 4, 2023

Critical features of MariaDB include robust security features like encryption at rest and in transit, user authentication, and role-based access control (RBAC), as well as high-performance query execution, advanced indexing techniques, and replication, clustering, and sharding, ensuring scalability and high availability. What is MySQL?

Open Source 52

Open Source Servers Storage Scalability 52