Percona

DECEMBER 26, 2023

Although the default configuration simulates loading based loosely upon TPC-B, it is nevertheless easy to test other use cases by writing one’s own transaction script files. A script executing a benchmarking run: #!/bin/bash tps, lat 11.718 ms stddev 3.951 progress: 4440.0 tps, lat 11.075 ms stddev 3.519 progress: 4445.0

Benchmarking 122

Benchmarking Metrics C++ Database 122

Percona

NOVEMBER 3, 2023

Leveraging pgbench , which is a benchmarking utility that comes bundled with PostgreSQL, I will put the cluster through its paces by executing a series of DML operations. And now, execute the benchmark: -- execute the following on the coordinator node pgbench -c 20 -j 3 -T 60 -P 3 pgbench The results are not pretty.

Database 105

Database Benchmarking Latency C++ 105

Smashing Magazine

MARCH 2, 2021

The State Of Mobile And Why Mobile Web Testing Matters. The State Of Mobile And Why Mobile Web Testing Matters. And to ensure the quality of a product, we always need to test — on a number of devices, and in a number of conditions. What’s a representative device to test on in 2021? Kelvin Omereshone. State Of Mobile 2021.

Mobile 133

Mobile Testing Website Benchmarking 133

John McCalpin

APRIL 25, 2023

I have a lot of historical data using my ReadOnly benchmark (as described in some of the earliest entries in this blog [link] A read-only access pattern removes the need to understand and explain the many complexities associated with the “streaming stores” typically used in the STREAM benchmark (e.g., Stay tuned!

Benchmarking 97

Benchmarking Cache Latency Tuning 97

HammerDB

JANUARY 5, 2019

Some opinions claim that “Benchmarks are meaningless”, “benchmarks are irrelevant” or “benchmarks are nothing like your real applications” However for others “Benchmarks matter,” as they “account for the processing architecture and speed, memory, storage subsystems and the database engine.”

Benchmarking 40

Benchmarking Database Social Media Scalability 40

The Netflix TechBlog

MAY 21, 2019

using RL agents for test case scheduling By: Stanislav Kirdey , Kevin Cureton , Scott Rick , Sankar Ramanathan Introduction Netflix brings delightful customer experiences to homes on a variety of devices that continues to grow each day. Detect a regression in a test case. These problems could be solved in several different ways.

Testing 163

Testing AWS Lambda Network 163

Smashing Magazine

JUNE 26, 2019

What Web Designers Can Do To Speed Up Mobile Websites. What Web Designers Can Do To Speed Up Mobile Websites. I recently wrote a blog post for a web designer client about page speed and why it matters. However, their focus has always been on making a great-looking and effective design. Suzanne Scacca.

Website 110

Website Speed Mobile Design 110

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. offers the Software Watchdog specifically designed for this purpose.

Metrics 130

Metrics Monitoring Latency Cache 130

Dynatrace

SEPTEMBER 23, 2021

Many good security tools provide that function, and benchmarks from the Center for Internet Security (CIS) are clear and prescriptive. Four types of tools are commonly used to detect software vulnerabilities: Source-code tests that are used in development environments. Source code tests. Run source code tests.

Open Source 247

Open Source Benchmarking Best Practices Network 247

Speed Curve

OCTOBER 25, 2023

Benchmark your site against your competitors Our public-facing Industry Benchmarks dashboard gets a lot of visits, but did you know you can create your own custom competitive benchmarking dashboard in SpeedCurve? READ : How to create a competitive benchmark dashboard ––––– 4.

Benchmarking 62

Benchmarking Metrics Website Monitoring 62

HammerDB

JUNE 27, 2022

HammerDB is a software application for database benchmarking. Databases are highly sophisticated software, and to design and run a fair benchmark workload is a complex undertaking. However, although these results are the gold standard of database benchmarking to do so, requires time, expertise and not insignificant cost.

Benchmarking 62

Benchmarking Open Source C++ Cache 62

Smashing Magazine

AUGUST 9, 2022

PageSpeed Compare is a page speed evaluation and benchmarking tool. Network and CPU are throttled for lab data tests for more realistic conditions. Running the test takes a while, as each web page test is done one at a time. The tests can be run for both mobile and desktop. WebPageTest Core Web Vitals Test.

Performance 130

Performance Benchmarking Website Metrics 130

Dynatrace

OCTOBER 2, 2023

Because they’re separate, they allow for faster release cycles, greater scalability, and the flexibility to test new methodologies and technologies. However, the distributed system of a microservices architecture comes with its own cost: increased application complexity and convoluted testing. Migration is time-consuming and involved.

Architecture 228

Architecture Artificial Intelligence Cloud Open Source 228

Dynatrace

JUNE 2, 2022

More than half (51%) of SREs say they dedicate significant time to influencing architectural design decisions to improve reliability. Integrating these developers with the design process provides insight that enables architects to incorporate reliability from day one. A shift to SRE-driven engineering takes hold.

DevOps 147

DevOps Innovation Engineering Benchmarking 147

HammerDB

APRIL 19, 2023

Therefore, before we attempt to measure our database performance, we should know the system or cloud instance to be tested in detail. Benchmarking the target Two of the more popular database benchmarks for MySQL are HammerDB and sysbench. This allows us to know our operating environment and its capability. 4.22 %usr 38.40

Performance 54

Performance Benchmarking Cache Storage 54

Percona

APRIL 6, 2023

Two benchmarks from users can be found here: [1] [2] 4. Percona Distribution for PostgreSQL provides the best and most critical enterprise components from the open-source community, in a single distribution, designed and tested to work together. Download Percona Distribution for PostgreSQL Today!

Cache 114

Cache Open Source Benchmarking Database 114

Testsigma

MAY 19, 2020

Software testing is the process of finding bugs or discrepancies in a software. As a beginner in software testing, you would make your own mistakes and learn from them to shape your career path. Following are a few common mistakes often made by software testing beginners when they start their journey in the world of testing.

Software 85

Software Software Testing Open Source 85

Testsigma

MARCH 23, 2021

And, precisely due to this diversity, the need for testing on many devices is paramount. With the ever-increasing and evolving sector of Android users, Android device testing is of the essence. . Why Is Android Device Testing Important? That’s the point that calls for comprehensive testing when it comes to Android development.

Testing 52

Testing Mobile Testing Tools Strategy 52

The Morning Paper

SEPTEMBER 27, 2020

The wikipedia page on floating point numbers describes a number of related accuracy problems including the difficulty of testing for equality. In day-to-day usage, beyond judicious use of ‘within’ for equality testing, I suspect most of us ignore the potential difficulties of floating point arithmetic even if we shouldn’t.

Benchmarking 101

Benchmarking Hardware Programming Code 101

Particular Software

SEPTEMBER 20, 2021

Why RPC is “faster” It’s tempting to simply write a micro-benchmark test where we issue 1000 requests to a server over HTTP and then repeat the same test with asynchronous messages. If you did such a benchmark, here’s an incomplete picture you might end up with: Graph of microbenchmark showing RPC is faster than messaging.

Benchmarking 97

Benchmarking Latency Servers Systems 97

Percona

JULY 25, 2023

ibd in the test directory. For example, mysql datadir/test/t1.ibd. ibd2sdi data/test/t1.ibd ibd2sdi data/test/t1.ibd Old design (until Percona XtraBackup 8.0.33-27): New design (from Percona XtraBackup 8.0.33-28) In this new design, user tables are loaded only if there is a transaction rollback on them.

Cache 85

Cache Benchmarking Servers Design 85

High Scalability

AUGUST 24, 2021

has hours of system design content. They also do live system design discussions every week. No more hassles of benchmarking and tuning algorithms or building and maintaining infrastructure for vector search. Learn how engineering teams are using products like StackHawk and Snyk to add security bug testing to their CI pipelines.

Education 100

Education DevOps Infrastructure Benchmarking 100

HammerDB

FEBRUARY 25, 2021

HammerDB is a load testing and benchmarking application for relational databases. All the databases that HammerDB tests implement a form of MVCC (multi-version concurrency control). This post explains why HammerDB made the language decisions it made to make it the best performing and most usable database benchmarking software.

Programming 67

Programming Benchmarking Virtualization C++ 67

High Scalability

OCTOBER 27, 2021

has hours of system design content. They also do live system design discussions every week. No more hassles of benchmarking and tuning algorithms or building and maintaining infrastructure for vector search. Learn how engineering teams are using products like StackHawk and Snyk to add security bug testing to their CI pipelines.

Education 100

Education DevOps Infrastructure Benchmarking 100

High Scalability

SEPTEMBER 29, 2021

has hours of system design content. They also do live system design discussions every week. No more hassles of benchmarking and tuning algorithms or building and maintaining infrastructure for vector search. Learn how engineering teams are using products like StackHawk and Snyk to add security bug testing to their CI pipelines.

Education 100

Education DevOps Infrastructure Benchmarking 100

High Scalability

SEPTEMBER 15, 2021

has hours of system design content. They also do live system design discussions every week. No more hassles of benchmarking and tuning algorithms or building and maintaining infrastructure for vector search. Learn how engineering teams are using products like StackHawk and Snyk to add security bug testing to their CI pipelines.

Education 100

Education DevOps Infrastructure Benchmarking 100

Percona

MARCH 17, 2023

These updates are designed to keep databases running at peak performance and simplify database operations. We have tested PMM version 2.33.0 Capacity planning and setup details We used a dedicated 32-core CPU and 64GB of RAM for our testing. 2022 was an exciting year for Percona Monitoring and Management (PMM).

Monitoring 99

Monitoring Scalability Cache Database 99

John McCalpin

APRIL 2, 2020

The presentation discusses a family of simple performance models that I developed over the last 20 years — originally in support of processor and system design at SGI (1996-1999), IBM (1999-2005), and AMD (2006-2008), but more recently in support of system procurements at The Texas Advanced Computing Center (TACC) (2009-present).

Benchmarking 59

Benchmarking Performance Latency Architecture 59

Brendan Gregg

MARCH 16, 2024

2015-2020: Overhead As part of production rollout I did many performance overhead tests, which I've described publicly before: The overhead of adding frame pointers to everything (libc and Java) was usually less than 1%, with one exception of 10%. The overhead to walk DWARF is also too high, as it was designed for non-realtime use.

Java 145

Java Cache Google Hardware 145

Smashing Magazine

JUNE 3, 2022

How would we test to see if there is any difference between a good sans serif and a serif typeface with users? What would the world’s most ideal, best practice and design research-driven highly legible serif, sans serif, and slab serif possibly be like? How well does a typeface work and perform against another similar typeface?

Performance 110

Performance Design Best Practices Testing 110

Dynatrace

NOVEMBER 8, 2021

” APM vendors originally designed their solutions to quickly identify application performance issues in monolithic on-premises apps. Your APM tool should help you establish performance benchmarks, so you can understand what good performance looks like. Application performance insights. User experience diagnostics.

Artificial Intelligence 229

Artificial Intelligence Monitoring Infrastructure Cloud 229

Percona

JUNE 22, 2023

Typically, the servers are configured in a primary/replica configuration, with one server designated as the primary server that handles all incoming requests and the others designated as replica servers that monitor the primary and take over its workload if it fails. This flexibility can be crucial in designing a scalable architecture.

Availability 108

Availability Database Open Source Hardware 108

Testsigma

FEBRUARY 26, 2020

What is Regression Testing? Regression testing is the process of verifying that if a change is made in one component of the product, the other components of the product continue to behave like it was before. Any change that can impact the behaviour of the product calls for regression testing. Need for Regression Testing.

Testing 53

Testing Infrastructure Code Benchmarking 53

Apica

APRIL 11, 2023

One alternative is deploying a platform designed for testing and monitoring observability. Scalable testing helps businesses check performance for thousands of users or even millions. Establish performance benchmarks to help you identify when your applications perform as designed before impacting the user experience.

IoT 52

IoT Benchmarking Scalability Network 52

The Netflix TechBlog

OCTOBER 19, 2020

Now let’s look at how we designed the tracing infrastructure that powers Edgar. 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. This approach paints a richer observability portrait of application health.

Infrastructure 233

Infrastructure Transportation Storage Open Source 233

Percona

MAY 1, 2023

Schema design: Evaluating the database schema design and making adjustments such as partitioning large tables, eliminating redundant data, and denormalizing tables for frequently accessed information can improve performance. For testing purposes, let’s increase this to 256MB and see if there is any impact on cost.

Tuning 52

Tuning Efficiency Database Performance 52

Smashing Magazine

JUNE 1, 2022

You’ve spent months putting together a great website design, crowd-pleasing content, and a business plan to bring it all together. You’ve focused on making the web design responsive to ensure that the widest audience of visitors can access your content. You’ve agonized over design patterns and usability.

Website 131

Website Design Network Best Practices 131