Dynatrace

MAY 28, 2020

After a new build gets deployed and automated tests executed, SLIs are evaluated against their SLOs and, depending on that result, a build is considered good (promoted) or bad (rolled back). “ Step-by-step guide: SRE-driven performance analysis with Dynatrace. This is what this blog is all about.

Engineering 270

Engineering Performance Metrics Best Practices 270

The Netflix TechBlog

JANUARY 24, 2022

At Netflix the term “performance” usually encompasses both performance metrics (in the strict meaning) and memory metrics, and that’s how we’re using the term here. Why do we run Performance Tests on commits? What are the Performance Tests? Ideally we catch regressions before they even reach the main branch.

Performance 208

Performance Performance Testing Metrics Testing 208

Scalegrid

JULY 8, 2019

You’ll learn more about the best instance types and disks to use below, and you can check out this MySQL Provider Comparison to see the advantages and limitations of the top four managed MySQL solutions, ScaleGrid, Compose, Azure Database, and Amazon RDS. MySQL Dev/Test Environments: Standard Disks. High Availability Deployment.

Azure 219

Azure Cloud Virtualization Database 219

DZone

AUGUST 6, 2021

As performance testers, we are often asked to compare the difference in the performance between two versions of an application. Introduction. Whatever the changes made in the second version (i.e., usage of new libraries, change of technological stack, etc.),

Testing 246

Testing Technology Technology Performance 246

Scalegrid

JUNE 22, 2020

We are going to use a common, popular plan size using the below configurations for this performance benchmark: Comparison Overview. In this benchmark, we compare equivalent plan sizes between ScaleGrid MySQL on DigitalOcean and DigitalOcean Managed Databases for MySQL. DigitalOcean. Instance Type. Medium: 4 vCPUs. Medium: 4 vCPUs.

Database 217

Database Benchmarking Latency Performance 217

Scalegrid

OCTOBER 17, 2019

Our tests show that even a small number of clients can significantly benefit from using a connection pooler. Should You Use a PostgreSQL Connection Pooler? However, all of these problems are well-discussed in the PostgreSQL community, and mitigation strategies ensure the pros of a connection pooler far exceed their cons.

Architecture 200

Architecture Database Latency Servers 200

Dynatrace

OCTOBER 5, 2020

The screenshot below shows a PurePath that was shared with me by our partner triscon from Vienna, which specializes in Load and Performance testing for large enterprise applications. Once installed, every single web service request processed by ASP.NET will be traced across all tiers and captured as a PurePath (Distributed Trace).

Performance 207

Performance Best Practices Architecture Monitoring 207

Dynatrace

JULY 9, 2020

Gone are the days for Christian manually looking at dashboards and metrics after a new build got deployed into a testing or acceptance environment: Integrating Keptn into your existing DevOps tools such as GitLab is just a matter of an API call. Comparison across builds. Powerful configuration as code approach with SLIs & SLOs.

Cloud 261

Cloud DevOps Azure Architecture 261

Scalegrid

NOVEMBER 4, 2024

For a more detailed comparison of performance features between different versions, refer to: [link] Benchmarking Methodology Sysbench Overview Sysbench is a versatile, open-source benchmarking tool ideal for testing OLTP (Online Transaction Processing) database workloads. You can access the benchmark here: [link].

Benchmarking 130

Benchmarking AWS Tuning Metrics 130

Testsigma

APRIL 12, 2021

With the rise in the development requirement for Android apps, the need for testing Android applications has also increased to sustain in a competitive market. An ideal strategy for testing Android applications includes. Unit Tests – For verifying a minimal unit of source code. Manual Testing. Manual Testing.

Testing 52

Testing Mobile Efficiency Testing Tools 52

Testsigma

MAY 26, 2021

In today’s world where ‘data is the new oil’ ( as said by Clive Humby), not giving proper attention to data-driven testing is not justified. If you have an application that needs data input in some form then it will require data-driven testing. The steps will be: Create and store the test data in a data repository.

Testing 70

Testing Healthcare Performance Testing Website 70

Highly Scalable

JUNE 5, 2012

However, it was interesting to evaluate performance of alternative approaches. In this article I describe several useful techniques that are based on SSE instructions and provide results of performance testing for Lucene, Java, and C implementations. return count; }.

C++ 102

C++ Java Performance Testing Efficiency 102

SQL Performance

APRIL 13, 2022

To test the performance of your solution, you’ll need to populate the table with larger volumes of sample data. numgroups AS INT = 1000 , @rowspergroup AS INT = 10000 , -- test with 1000 to 10000 here. My test machine has four logical CPUs, running SQL Server ® 2019 Enterprise. uniquevalues AS INT = 5 ; ALTER TABLE dbo.

C++ 136

C++ Strategy Testing Servers 136

Apica

JUNE 22, 2022

Software testing is a huge domain, but it can be broadly categorized into two areas: manual testing and automated testing. Both manual and automated testing offer benefits and disadvantages. But with automated testing, test cases are executed with the assistance of tools, scripts, and software.

Software 52

Software Software Testing Best Practices 52

Dotcom-Montior

NOVEMBER 21, 2017

Load Testing: HTTP vs Headless vs Real Browser. Therefore, performance testing has become a fundamental part of the development chain and the demand is still growing. Performance testing platforms provide a broad range of load simulation methods such as HTTP, headless, and real browser-based. Comparison.

Testing 40

Testing Performance Testing Servers Programming 40

Testsigma

APRIL 23, 2021

With the increased usage of smartphones in recent years, enterprises and the software industry now have to cater their applications to mobile devices for web testing in addition to desktops. Predominantly, there are two sets of tools that can cater to all your testing requirements when it comes to mobile web testing.

Mobile 52

Mobile Testing Testing Tools Programming 52

SQL Performance

DECEMBER 9, 2020

In a comment to my article, Marcos Kirchner mentioned that he tested my solution with varying table value constructor cardinalities, and got different execution times for the different cardinalities. Testing different base table cardinalities is just one dimension to try. Let’s proceed to performance testing.

C++ 114

C++ Servers Testing Processing 114

Testsigma

JANUARY 30, 2021

About two decades ago, testing was only limited to the desktop. With the rapidly increasing use of smartphones and ease of access to the internet across the globe, testing has spread across vast platforms. The native and mobile web browser testing is being performed more and more compared to desktop testing.

Mobile 52

Mobile Testing Website Internet 52

Testsigma

JUNE 26, 2021

If we talk about testing itself — automation has taken us several leaps ahead; QA teams have solidified test efficiency and coverage even further. Gone are the days when automation testers had to learn coding to write test scripts. Enter codeless automation testing, which is one of the latest software trends to look out for.

Testing Tools 52

Testing Tools Testing Analytics Mobile 52

Testsigma

APRIL 16, 2021

Android developers and testers perform mobile tests to deliver apps that drive a high user retention rate through a great user interface. While mobile automation tests are performed for Android, iOS, and Windows devices, in this post, we’ll dive into the UI frameworks for Android automation testing.

Testing 52

Testing Mobile Open Source Java 52

Testsigma

OCTOBER 15, 2021

In general, most websites or web apps run into errors because of a solitary reason: solid cross-browser testing isn’t performed. When you perform cross-browser testing, you validate visual elements and ensure all functional and non-functional aspects of the website are consistent across different browsers.

Testing 52

Testing Testing Tools Analytics Website 52

Dotcom-Montior

NOVEMBER 21, 2017

An outline of the main aspects of load simulation methods such as HTTP, headless, and real browser-based followed by a comparison matrix, to help you choose an appropriate simulation approach. The post Load Testing: HTTP vs Headless vs Real Browser appeared first on Dotcom-Monitor Web Performance Blog.

Testing 40

Testing Monitoring Performance Website Performance 40

Highly Scalable

APRIL 2, 2012

Bloom filter is liable to false positives, so it can not completely replace traditional checks using hash sets with attributes, but it can be used as a preliminary test to decrease a number of relatively expensive exact checks. Pattern: Probabilistic Test. Probabilistic testing is good to trade time to memory or IO to memory.

Ecommerce 100

Ecommerce Cache Storage Architecture 100

SQL Performance

FEBRUARY 17, 2022

Meanwhile, in the GROUP BY query, the UDX only executes once for each unique UserID , the eager spool reads a much lower number of rows, there’s no distinct sort operator (it’s been replaced by a hash match), and the memory grant is tiny in comparison: Figure 5: GROUP BY plan at scale. But is it the most efficient? FavoriteBands.

Servers 82

Servers Code Efficiency Performance 82

Percona

DECEMBER 20, 2018

ZFS has many very interesting features, but I am a bit tired of hearing negative statements on ZFS performance. I found the comparison of InnoDB vs. MyISAM quite interesting, and I’ll use it in this post. Linux OS Tuning for MySQL Database Performance. AMD EPYC Performance Testing… or Don’t get on the wrong side of SystemD.

Database 53

Database Tuning Performance AWS 53

Dean Hume

JULY 5, 2016

Without a doubt, WebPageTest is one of my favourite web performance testing tools. It's completely free to use and is such a powerful way to test your web pages from different locations all over the world. Tracking scripts, A/B testing and adverts are just a few of the many reasons why you would want to use a 3rd party library.

Website 40

Website Metrics Speed Testing 40

Dean Hume

JULY 5, 2016

Without a doubt, WebPageTest is one of my favourite web performance testing tools. It's completely free to use and is such a powerful way to test your web pages from different locations all over the world. Tracking scripts, A/B testing and adverts are just a few of the many reasons why you would want to use a 3rd party library.

Website 40

Website Metrics Speed Testing 40

Dean Hume

JULY 5, 2016

Without a doubt, WebPageTest is one of my favourite web performance testing tools. It's completely free to use and is such a powerful way to test your web pages from different locations all over the world. Tracking scripts, A/B testing and adverts are just a few of the many reasons why you would want to use a 3rd party library.

Website 40

Website Metrics Speed Testing 40

Speed Curve

SEPTEMBER 25, 2018

It just so happens that we can test the accuracy of the paint timing metrics by comparing them to the Start Render metric in WebPageTest. It calculates the Start Render time by performing a frame-by-frame comparison to find the point at which the first pixels are rendered to the screen. Doing the analysis.

Metrics 49

Metrics Performance Testing Testing Internet 49

Smashing Magazine

APRIL 11, 2022

Of all those options, it’s safe to assume that text is the best choice for LCP performance because it loads and renders fast. web.dev’s main content is an image according to LCP (test ran on WebPageTest). Over-using this attribute or running premature optimization might harm performance, so make sure to run performance tests to verify.

Media 78

Media Tuning Metrics Google 78

Smashing Magazine

SEPTEMBER 6, 2021

This explains the challenges involved in deploying and testing HTTP/3 yourself. In our own early tests , I found seriously diminishing returns at about 40 files. As if that wasn’t enough, another issue will make local testing more difficult: Chrome makes it very difficult for you to use self-signed TLS certificates for QUIC.

Network 120

Network Servers Cache Traffic 120

SQL Performance

DECEMBER 9, 2020

In a comment to my article, Marcos Kirchner mentioned that he tested my solution with varying table value constructor cardinalities, and got different execution times for the different cardinalities. Testing different base table cardinalities is just one dimension to try. Let’s proceed to performance testing.

C++ 61

C++ Servers Testing Processing 61

Dotcom-Montior

JANUARY 18, 2018

2 hours for the final result analysis and comparison. The Findings My intention is to build awareness on the performance engineering & monitoring topic and not to blame hard working retail companies. Consider Load & Performance Testing in your development process.

Retail 40

Retail Website Monitoring Servers 40

HammerDB

OCTOBER 12, 2018

This post complements the previous best practice guides this time with the focus on MySQL and MariaDB and achieving top levels of performance with the HammerDB MySQL TPC-C test. InnoDB is the storage engine that will deliver the best OLTP throughput and should be chosen for this test. . HammerDB difference from Sysbench.

Best Practices 40

Best Practices Scalability Performance C++ 40

Scalegrid

JULY 29, 2020

In our final post, we will put them head-to-head in a detailed feature comparison and compare the results of PgBouncer vs. Pgpool-II performance for your PostgreSQL hosting ! Performance Testing. For good measure, we ran the same tests without a connection pooler too. Testing Conditions. Pgpool-II (on box).

Benchmarking 246

Benchmarking Database Performance Testing Availability 246

Smashing Magazine

JANUARY 6, 2020

Testing And Monitoring. You can then mimic the 90th percentile’s experience for testing. Alternatively, you can also use Speed Scorecard (also provides a revenue impact estimator), Real User Experience Test Comparison or SiteSpeed CI (based on synthetic testing). Now you have something measurable to test against.

Performance 112

Performance Cache Servers Network 112

Smashing Magazine

JANUARY 7, 2019

Testing And Monitoring. You can then mimic the 90th percentile’s experience for testing. Note : If you use Page Speed Insights (no, it isn’t deprecated), you can get CrUX performance data for specific pages instead of just the aggregates. Now you have something measurable to test against. Table Of Contents. Quick Wins.

Performance 111

Performance Cache Network Metrics 111