Dynatrace

SEPTEMBER 23, 2021

To function effectively, containers need to be able to communicate with each other and with network services. If containers are run with privileged flags, or if they receive details about host processes, they can easily become points of compromise for corporate networks. Network scanners. Why is container security tricky?

Open Source 258

Open Source Benchmarking Best Practices Network 258

Percona

DECEMBER 26, 2023

This allows for much better data accuracy, especially in the case of high-resolution or unreliable networks. Installation (example: CENTOS8, pg14) The simplest way to get pg_stat_monitor is to install it via Percona Distribution for PostgreSQL. This allows a user to drill down into the performance of queries.

Benchmarking 122

Benchmarking Metrics C++ Database 122

Tim Kadlec

APRIL 18, 2019

” The fallacy of networks, or new devices for that matter, fixing our performance woes is old and repetitive. To be fair, each new generation of network connectivity does bring some level of change and transformation to how we interact with the internet. AT&T’s “5G E” is a great example.

Network 61

Network Speed Internet Internet 61

Dynatrace

SEPTEMBER 21, 2023

These metrics include CPU, memory, disk, and network I/O. For example, Dynatrace has been able to view underutilized instances in a specific AWS data center along with top CO2e emitters within a specific host group. Using Carbon Impact, we can now implement efficiency measures driven by the app’s benchmarks and recommendations.

Energy 242

Energy Cloud Airlines Strategy 242

Brendan Gregg

JUNE 29, 2018

These have inspired me to summarize another performance activity: evaluating benchmark accuracy. Accurate benchmarking rewards engineering investment that actually improves performance, but, unfortunately, inaccurate benchmarking is more common. If the benchmark reported 20k ops/sec, you should ask: why not 40k ops/sec?

Benchmarking 40

Benchmarking Latency Cache Network 40

Speed Curve

FEBRUARY 5, 2024

Looking at the industry benchmarks for US retailers , four well-known sites have backend times that are approaching – or well beyond – that threshold. Pagespeed Benchmarks - US Retail - LCP When you examine a waterfall, it's pretty obvious that TTFB is the long pole in the tent, pushing out render times for the page.

Servers 57

Servers Cache Retail Benchmarking 57

Scalegrid

JANUARY 25, 2024

Key metrics like throughput, request latency, and memory utilization are essential for assessing Redis health, with tools like the MONITOR command and Redis-benchmark for latency and throughput analysis and MEMORY USAGE/STATS commands for evaluating memory. It depends upon your application workload and its business logic.

Metrics 130

Metrics Monitoring Latency Cache 130

The Morning Paper

JUNE 11, 2019

Beyond data and model parallelism for deep neural networks Jia et al., For example: An overall parallelization strategy defines a parallelization configuration for each operator in the graph. For example, suppose we reduce the parallelism of operator o3 down to 1. SysML’2019. Execution simulation.

Network 81

Network Strategy Hardware Benchmarking 81

Dynatrace

AUGUST 3, 2022

Examples of zero-day vulnerabilities. For example, within a week of the discovery of the Log4Shell vulnerability, Microsoft reported more than 1.8 half of all corporate networks. However, as the Operation Aurora example below shows, attack attempts on zero-day vulnerabilities have always been prevalent.

Java 195

Java Traffic Benchmarking Strategy 195

CSS Wizardry

JUNE 30, 2023

However, as an internal benchmark, there are compelling reasons why some of you may actually want to keep tracking these ‘outdated’ metrics… Measure the User Experience The problem with using diagnostic metrics like Load or DOMContentLoaded to measure site-speed is that it has no bearing on how a user might actually experience your site.

Metrics 326

Metrics Google Monitoring Analytics 326

HammerDB

APRIL 19, 2023

As database performance is heavily influenced by the performance of storage, network, memory, and processors, we must understand the upper limit of these key components. 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 4.22 %usr 38.40

Performance 54

Performance Benchmarking Cache Storage 54

Scalegrid

JANUARY 12, 2024

Various forms can take shape when discussing workloads within the realm of cloud computing environments – examples include order management databases, collaboration tools, videoconferencing systems, virtual desktops, and disaster recovery mechanisms. This also aids scalability down the line.

Cloud 130

Cloud Virtualization Storage Efficiency 130

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., A typical architecture diagram for one of these services looks like this: Suitably armed with a set of benchmark microservices applications, the investigation can begin! ASPLOS’19.

Open Source 61

Open Source Hardware Benchmarking Systems 61

Dynatrace

JUNE 27, 2022

Data collected on page load events, for example, can include navigation start (when performance begins to be measured), request start (right before the user makes a request from the server), and speed index metrics (measure page load speed). In some cases, you will lack benchmarking capabilities. RUM generates a lot of data.

Best Practices 183

Best Practices Monitoring Wireless Traffic 183

Dynatrace

FEBRUARY 10, 2022

WAFs protect the network perimeter and monitor, filter, or block HTTP traffic. Let me describe this new capability with the help of an example you may have stumbled upon Log4Shell. A perfect OWASP benchmark score for injection attacks – 100% accuracy and zero false positives – impressively proves the precision of our approach.

Traffic 239

Traffic Benchmarking Innovation Java 239

Smashing Magazine

AUGUST 9, 2022

PageSpeed Compare is a page speed evaluation and benchmarking tool. It graphs server, network, CSS, Javascript, critical content, and image optimizations to show the potential savings you could gain by incorporating fixes into your site. Network and CPU are throttled for lab data tests for more realistic conditions.

Performance 130

Performance Benchmarking Website Metrics 130

The Netflix TechBlog

NOVEMBER 13, 2023

Training examples were produced between 2016 and 2019, in 13 countries, with 60% of the titles originating in the USA. To evaluate and benchmark our dataset, we manually labeled 20 audio tracks from various TV shows which do not overlap with our training data. What constitutes music or speech?

Architecture 224

Architecture Energy Benchmarking Processing 224

Speed Curve

FEBRUARY 25, 2021

Content Delivery Networks (CDN) like Akamai, Fastly, Cloudflare, Cloudfront can sometimes have a big impact on performance. For example: Work with your vendor manager if you have one, or directly with the stakeholders responsible, to set and enforce performance budgets on your third parties. Benchmark yourself. The internet.

Performance 143

Performance Benchmarking Metrics Monitoring 143

Dynatrace

OCTOBER 26, 2022

Data collection is an example,” Reitbauer says. While companies historically use patents to measure an organization’s innovation output, contributions to open source projects provide another innovation benchmark. For example, contributors to the Apache HTTP Server Project come from IBM, RedHat, and Fujitsu-Siemens.

Open Source 199

Open Source Software Software Development 199

The Netflix TechBlog

NOVEMBER 22, 2019

In this talk, we share how Netflix deploys systems to meet its demands, Ceph’s design for high availability, and results from our benchmarking. In order to maintain performance, benchmarking is a vital part of our system’s lifecycle. This session looks at what it takes to accept, produce, encode, and stream your favorite content.

AWS 100

AWS Entertainment Open Source Benchmarking 100

The Netflix TechBlog

NOVEMBER 22, 2019

In this talk, we share how Netflix deploys systems to meet its demands, Ceph’s design for high availability, and results from our benchmarking. In order to maintain performance, benchmarking is a vital part of our system’s lifecycle. This session looks at what it takes to accept, produce, encode, and stream your favorite content.

AWS 100

AWS Entertainment Open Source Benchmarking 100

HammerDB

MARCH 27, 2023

introduces more lightweight database specific Docker Images, so if you only want to run benchmarks against a specific database you can go from having no benchmarking environment to reviewing your results in as little as 3 commands. New Features Pt 2: Example CLI Scripts 3. How to deploy HammerDB CLI fast with Docker HammerDB v4.7

Benchmarking 51

Benchmarking Testing Database C++ 51

HammerDB

APRIL 4, 2023

This post gives a brief example of using hammerpost to encourage you to investigate this project further. In this example, we already have a PostgreSQL database already running on a system and want to test different combinations of parameters. In this example it is 4 tests with different combinations of shared_buffers and wal_buffers.

Benchmarking 84

Benchmarking Database Metrics Code 84

Percona

OCTOBER 12, 2023

An example of a flame graph can be found below: Each box is a function in the stack, and wider boxes mean more time the system was busy on CPU on these functions. The idea behind this is to speed up cluster resources such as garbage collection, reduce image transfer over the network, and accelerate the application launch.

Code 110

Code Tuning C++ Benchmarking 110

Speed Curve

MARCH 7, 2022

But pages keep getting bigger and more complex year over year – and this increasing size and complexity is not fully mitigated by faster devices and networks, or by our hard-working browsers. These numbers should not be taken as a benchmark for your own site. Amazon is a good example of a site that serves large, fast pages.

Mobile 145

Mobile Benchmarking Google Metrics 145

The Netflix TechBlog

OCTOBER 19, 2020

a Netflix member via Twitter This is an example of a question our on-call engineers need to answer to help resolve a member issue?—?which In 2019 our stunning colleagues in the Cloud Database Engineering (CDE) team benchmarked EBS performance for our use case and migrated existing clusters to use EBS Elastic volumes.

Infrastructure 233

Infrastructure Transportation Storage Open Source 233

Dynatrace

OCTOBER 26, 2022

Data collection is an example,” Reitbauer says. While companies historically use patents to measure an organization’s innovation output, contributions to open source projects provide another innovation benchmark. For example, contributors to the Apache HTTP Server Project come from IBM, RedHat, and Fujitsu-Siemens.

Open Source 130

Open Source Software Software Development 130

Dynatrace

OCTOBER 26, 2022

Data collection is an example,” Reitbauer says. While companies historically use patents to measure an organization’s innovation output, contributions to open source projects provide another innovation benchmark. For example, contributors to the Apache HTTP Server Project come from IBM, RedHat, and Fujitsu-Siemens.

Open Source 130

Open Source Software Software Development 130

Percona

JUNE 22, 2023

Let’s dive in and learn how (and what) to effectively monitor MySQL performance, along with examples from PMM, by understanding the critical KPIs to watch for. This is not an exhaustive list but an example of what we can watch for. This KPI is also directly related to Query Performance and helps improve it.

Performance 104

Performance Monitoring Traffic Database 104

HammerDB

FEBRUARY 25, 2021

HammerDB is a load testing and benchmarking application for relational databases. However, it is crucial that the benchmarking application does not have inherent bottlenecks that artificially limits the scalability of the database. Basic Benchmarking Concepts. To benchmark a database we introduce the concept of a Virtual User.

Programming 67

Programming Benchmarking Virtualization C++ 67

Alex Russell

JANUARY 30, 2024

It's time once again to update our priors regarding the global device and network situation. seconds on the target device and network profile, consuming 120KiB of critical path resources to become interactive, only 8KiB of which is script. What's changed since last year? and 75KiB of JavaScript. These are generous targets.

Performance 90

Performance Network Mobile Speed 90

Smashing Magazine

MARCH 2, 2021

The gotcha here is that, if your mobile experience isn’t optimized for various devices and network conditions, these customers will never appear in your analytics — just because your website or app will be barely usable on their devices, and so they are unlikely to return. A performance benchmark Lighthouse is well-known.

Mobile 134

Mobile Testing Website Benchmarking 134

Percona

JUNE 22, 2023

For example, in a server cluster, multiple servers are used to host the same application so that if one server fails, the application can continue to run on the other servers. For example, an RPO of 1 hour means that an organization can tolerate a maximum data loss of 1 hour’s worth of data. there cannot be high availability.

Availability 108

Availability Database Open Source Hardware 108

Smashing Magazine

SEPTEMBER 28, 2022

The resource loading waterfall is a cascade of files downloaded from the network server to the client to load your website from start to finish. It essentially describes the lifetime of each file you download to load your page from the network. You can see this by opening your browser and looking in the Networking tab.

Cache 126

Cache Performance Servers Social Media 126

Smashing Magazine

JUNE 1, 2022

In this case, we are not going to be talking about infrastructure services, such as a cloud computing platform like Microsoft Azure or a content distribution network like Akamai. And JavaScript can certainly make requests for additional network resources. Sometimes, the visitor’s browser itself can be the origin of network activity.

Website 131

Website Design Network Best Practices 131

Smashing Magazine

FEBRUARY 15, 2021

A video with large dimensions or a high bitrate will take longer to download and will require a higher speed network to play back smoothly. This leads to longer startup times, and if the network cannot supply the video fast enough, the video will stall during video playback. There is a solution though! Real-World Data. Large preview ).

Network 143

Network Speed Website Mobile 143

Alex Russell

MARCH 6, 2021

Thanks to progress in networks and browsers (but not devices), a more generous global budget cap has emerged for sites constructed the "modern" way: ~100KiB of HTML/CSS/fonts and ~300-350KiB of JS (compressed) is the new rule-of-thumb limit for at least the next year or two. The Moto G4 , for example. Hard Reset.

Performance 124

Performance Network Cache Metrics 124