Brendan Gregg

SEPTEMBER 25, 2021

This was a weird problem to think about: Time itself had now become a resource and target of performance analysis. As a Xen guest, this profile was gathered using perf(1) and the kernel's software cpu-clock soft interrupts, not the hardware NMI. I'm including this step as a reminder for anyone following this kind of analysis.

Speed 52

Speed Java AWS Virtualization 52

Scalegrid

DECEMBER 21, 2023

This Command Line Interface (CLI) can be used for basic activity metrics and offers powerful real-time data analysis tools, giving you more control over the performance of your servers. Command-Line Analysis Commanding the Redis CLI efficiently requires knowledge of every command’s function and how to decipher its output.

Strategy 130

Strategy Monitoring Latency DevOps 130

Dynatrace

NOVEMBER 15, 2021

Log monitoring, log analysis, and log analytics are more important than ever as organizations adopt more cloud-native technologies, containers, and microservices-based architectures. Logs can include data about user inputs, system processes, and hardware states. Dynatrace news. billion in 2020 to $4.1 What is log monitoring?

Analytics 218

Analytics Monitoring Artificial Intelligence DevOps 218

The Netflix TechBlog

NOVEMBER 9, 2021

AV1 playback on TV platforms relies on hardware solutions, which generally take longer to be deployed. Throughout 2020 the industry made impressive progress on AV1 hardware solutions. With multiple iterations, the team arrived at a recipe that significantly speeds up the encoding with negligible compression efficiency changes.

Media 246

Media Open Source Efficiency Software Engineering 246

Brendan Gregg

SEPTEMBER 25, 2021

This was a weird problem to think about: Time itself had now become a resource and target of performance analysis. As a Xen guest, this profile was gathered using perf(1) and the kernel's software cpu-clock soft interrupts, not the hardware NMI. I'm including this step as a reminder for anyone following this kind of analysis.

Speed 40

Speed Java AWS Virtualization 40

Brendan Gregg

JULY 4, 2021

This was a chance to talk about other things I've been working on, such as the present and future of hardware performance. The video is on [youtube]: The slides are on [slideshare] or as a [PDF]: I work on many areas of performance, but recently I've had a lot of demand to talk about BPF. Ford, et al., “TCP

Performance 140

Performance Latency Hardware Storage 140

Randon ASCII

JANUARY 12, 2022

That meant I started having regular meetings with the hardware engineers who were working with IBM on the CPU which gave me even more expertise on this CPU, which was critical in helping me discover a design flaw in one of its instructions , and in helping game developers master this finicky beast. Standard stuff. It’s worked for me.

Cache 126

Cache Latency Benchmarking Hardware 126

Scalegrid

JANUARY 5, 2024

For professions heavily relying on data analysis and automated processes, DBMS plays a vital part, enabling professionals to work more efficiently and make informed decisions. In professions heavily reliant on data analysis and automated processes, these capabilities empower professionals to work more efficiently and make informed decisions.

Efficiency 147

Efficiency Storage Database Scalability 147

Dynatrace

NOVEMBER 22, 2022

Instead, to speed up response times, applications are now processing most data at the network’s perimeter, closest to the data’s origin. Traditionally, teams achieve this high level of uptime using a combination of high-capacity hardware, system redundancy, and failover models. Apply AI for real-time root-cause analysis.

Infrastructure 191

Infrastructure Availability Systems Retail 191

Scalegrid

JANUARY 25, 2024

These can help you ensure your system’s health and quickly perform root cause analysis of any performance-related issue you might be encountering. Effective monitoring of key performance indicators plays a crucial role in maintaining this optimal speed of operation. You can pick a smart selection of relevant metrics from these.

Metrics 130

Metrics Monitoring Latency Cache 130

Dynatrace

OCTOBER 28, 2021

A disruption spanning hardware, networks, and cloud infrastructure can require input and participation from network and infrastructure architects, risk experts, security teams, and even procurement officers. Speeds incident response. Improves customer satisfaction. Increased resilience and faster response times mean less down-time.

Engineering 235

Engineering Entertainment Cloud Infrastructure 235

Testlodge

NOVEMBER 12, 2021

Results may vary because of factors like resolution, internet speed, and different OS versions. Hardware Compatibility Testing: In this scenario, an application is tested against various hardware configurations to check behavior. Why Perform Compatibility Testing?

Testing 78

Testing Hardware Operating System Mobile 78

Dynatrace

OCTOBER 26, 2020

With the rich set of features in Dynatrace for diagnostics (check out my Advanced Diagnostics with Dynatrace YouTube Tutorial ) it speeds up analysis and diagnostics for Christian significantly. If you want to replicate Christians work – here are the software and hardware specs: Hardware. Raspberry Pi Model 3 B.

Innovation 159

Innovation Metrics Hardware Games 159

Percona

SEPTEMBER 1, 2023

This results in expedited query execution, reduced resource utilization, and more efficient exploitation of the available hardware resources. This not only enhances performance but also enables you to make more efficient use of your hardware resources, potentially resulting in cost savings on infrastructure.

Tuning 52

Tuning Database Performance Hardware 52

Percona

JUNE 22, 2023

Query performance Query performance is a key performance indicator (KPI) in MySQL, as it measures the efficiency and speed of query execution. That said, CPU or memory usage is not only limited to these two variable configurations, and further analysis is required to track what’s causing the usage spikes.

Performance 105

Performance Monitoring Traffic Database 105

Dynatrace

AUGUST 30, 2019

Reducing CPU Utilization to now only consume 15% of initially provisioned hardware. All this was made possible without any need for hardware upgrades : Misconfigured queue and pool sizes are a common issue in distributed architectures. . Advanced Diagnostics with Dynatrace.

Cache 204

Cache Architecture Database Government 204

The Morning Paper

FEBRUARY 27, 2020

memory leaks that take hours to build up into an issue); and there can be problems that only exhibit themselves with certain user, hardware, or software configurations. Ambient faults due to e.g. hardware faults, network timeouts, and gray failures are occurring all the time, and many of these are unrelated to deployments.

Analytics 68

Analytics Infrastructure Cloud Hardware 68

Adrian Cockcroft

AUGUST 9, 2022

So while I have retired from corporate life, I have ideas to share, as an analyst and presenter, and needed a framework to support consulting and analysis work. So right from the beginning, I’m happy to spend some time getting back up to speed and developing some of my ideas around new hardware capabilities.

IoT 52

IoT Best Practices AWS Media 52

Testsigma

FEBRUARY 3, 2021

Mobiles have different models, screen resolutions, operating systems, network types, hardware configurations, etc. Also, how to test the hardware of the mobile phone itself, is it supporting all the software as it should? Let us have a look at the most popular types of mobile testing for applications and hardware.

Mobile 82

Mobile Testing Hardware C++ 82

Smashing Magazine

OCTOBER 27, 2021

Nowadays, hardware and software are designed to conduct eye-tracking studies for marketing , UX , psychological and medical research , gaming , and several other use cases. The analysis of selfie camera data can provide information about the user gaze. This heatmap is a visual representation of the F-shaped pattern.

Mobile 112

Mobile Website Hardware Social Media 112

Brendan Gregg

FEBRUARY 28, 2023

## References I've reproduced the references from my SREcon22 keynote below, so you can click on links: - [Gregg 08] Brendan Gregg, “ZFS L2ARC,” [link] Jul 2008 - [Gregg 10] Brendan Gregg, “Visualizations for Performance Analysis (and More),” [link] 2010 - [Greenberg 11] Marc Greenberg, “DDR4: Double the speed, double the latency?

Performance 110

Performance Latency Cache Virtualization 110

The Morning Paper

OCTOBER 4, 2020

We are standing on the eve of the 5G era… 5G, as a monumental shift in cellular communication technology, holds tremendous potential for spurring innovations across many vertical industries, with its promised multi-Gbps speed, sub-10 ms low latency, and massive connectivity. The first 5G networks are now deployed and operational.

Energy 130

Energy Latency Performance Network 130

The Morning Paper

FEBRUARY 20, 2020

The combined model and query undergo static analysis to produce an intermediate representation (IR) of the prediction computation as a DAG. Static analysis and the IR. It can’t handle loops for example (an analysis of 4.6M pruning). A runtime code generator creates a SQL query incorporating all of these optimisations.

Processing 72

Processing Hardware Database Azure 72

Brendan Gregg

JULY 4, 2021

This was a chance to talk about other things I've been working on, such as the present and future of hardware performance. The video is on [youtube]: The slides are [here] or as a [PDF]: first prev next last / permalink/zoom I work on many areas of performance, but recently I've had a lot of demand to talk about BPF. Ford, et al., “TCP

Performance 52

Performance Latency Hardware Storage 52

Dynatrace

JUNE 30, 2020

In my role as DevOps and Autonomous Cloud Activist at Dynatrace, I get to talk to a lot of organizations and teams, and advise them on how to speed up delivery while also increasing the delivery in order to minimize the impact on operations. Dynatrace news.

Lambda 176

Lambda Monitoring Cloud DevOps 176

CSS - Tricks

JULY 25, 2019

In this article, we uncover how PageSpeed calculates it’s critical speed score. It’s no secret that speed has become a crucial factor in increasing revenue and lowering abandonment rates. Now that Google uses page speed as a ranking factor, many organizations have become laser-focused on performance. Speed Index.

Google 71

Google Engineering Speed Mobile 71

SQL Performance

DECEMBER 17, 2019

This removes the burden of purchasing and maintaining your hardware, storage and networking infrastructure, while still giving you a very familiar experience with Windows and SQL Server itself. BTW, the "i" in the Standard_E64is_v3 naming means that the instance is isolated to hardware dedicated to a single customer.

Azure 72

Azure Virtualization Servers Storage 72

All Things Distributed

MARCH 11, 2015

In the past analytics within an organization was the pinnacle of old style IT: a centralized data warehouse running on specialized hardware. A business unit can now go out and create their own data warehouse in the cloud of a size and speed that exactly matches what they need and are willing to pay for. Cloud enables video analytics.

Analytics 135

Analytics Cloud Healthcare Retail 135

Sutter's Mill

NOVEMBER 11, 2023

0] would be easy to call “obvious” in hindsight, but it’s far from the only option and this paper’s analysis shows a thorough consideration of alternatives, including their effects on existing and future code and future language evolution. Seeing only the end result of T.[0] This is that library.

C++ 107

C++ Lambda Network Programming 107

The Morning Paper

SEPTEMBER 19, 2019

Could it be Analyzing efficient stream processing on modern hardware ? On one of the themes that captures my imagination, how changing hardware platform influence system design: Rethinking database high availability with RDMA networks. Some cool algorithms: Pigeonring speeds up thresholded similarity searches. Do we want that?

Blockchain 46

Blockchain Hardware Google Analytics 46

Dotcom-Montior

JUNE 15, 2020

The censorship and monitoring of internet have evolved from anti-virus-like and firewall software to hardware security patches for all devices that uses internet. All foreign websites hosted outside China undergoe screening and analysis for blacklisting and whitelisting. All information typed by users are collected for future analysis.

Monitoring 52

Monitoring Performance Artificial Intelligence Internet 52

Adrian Cockcroft

JUNE 2, 2023

My talk was on Innovation and Tipping Points, the first half was based on some content I’ve given before on how to get out of the way of innovation by speeding up time to value or idea to implementation. Chai Atreya of Alteryx did an impressive live demo of using ChapGPT as a guide to developing some analysis in a Python notebook.

Social Media 98

Social Media Innovation Open Source Entertainment 98

Percona

DECEMBER 14, 2022

The key goals of OLTP applications are availability, speed, concurrency, and recoverability. Suppose you are performing a deep-dive analysis involving a table of records containing 50 columns. speeds up scans, . What follows here are the results of my analysis. consolidation (roll-up). drill-down. slicing and dicing.

Database 92

Database Analytics Storage Processing 92

Alex Russell

JANUARY 30, 2024

HTML, CSS, images, and fonts can all be parsed and run at near wire speeds on low-end hardware, but JavaScript is at least three times more expensive, byte-for-byte. 2] Data on mobile network evolution is sketchy, [3] and the largest error bars in this series' analysis continue to reside in this section.

Performance 90

Performance Network Mobile Speed 90

Brendan Gregg

FEBRUARY 28, 2023

References I've reproduced the references from my SREcon22 keynote below, so you can click on links: [Gregg 08] Brendan Gregg, “ZFS L2ARC,” [link] , Jul 2008 [Gregg 10] Brendan Gregg, “Visualizations for Performance Analysis (and More),” [link] , 2010 [Greenberg 11] Marc Greenberg, “DDR4: Double the speed, double the latency?

Performance 52

Performance Latency Cache Virtualization 52

Tim Kadlec

JANUARY 9, 2019

Mbps download speed Jake Archibald mentioned his relative getting or the 0.8 Mbps download speed my in-laws get at their house. Hardware gets better, sure. Just how much kWh are expended per one GB of data is up for some debate depending on your method of analysis. It seems blazingly fast compared to the 0.42

Performance 111

Performance Energy Internet Internet 111

The Morning Paper

MAY 21, 2019

Using zswap means that no new hardware solutions are required, enabling rapid deployment across clusters. These are used to perform offline analysis for potential memory savings under different cold-age thresholds. Memory pages moved to zswap are compressed (but the compressed pages stay in memory). ML-based auto-tuning.

Software 78

Software Software Google Hardware 78