Dynatrace

MAY 17, 2023

Validation tasks are then extended left to cover performance testing and release validation in a pre-production environment. While this team uses Fault Injection Simulator (FIS) to run their chaos testing experiments, the Site Reliability Guardian is not limited to this testing practice.

DevOps 246

DevOps Traffic Latency Best Practices 246

DZone

OCTOBER 29, 2020

For a project member, when we heard about API performance tests. Do we always have some questions like what should our standard for API performance? How we can define an automation process for API performance tests? What are the tools we can use?

Google 214

Google Performance Performance Testing Testing 214

Dynatrace

JULY 16, 2021

Many of our users are performance engineers using Cloud Automation Quality Gates to automate the analysis of their performance and load tests – saving hours of analysis time for each test they run. Performance as a Self-Service (JMeter, Neotys, Locust,). Stay tuned, stay connected, stay healthy!

DevOps 246

DevOps Open Source Cloud Azure 246

Scalegrid

OCTOBER 24, 2019

ScaleGrid’s MySQL on AWS High Performance deployment can provide 2x-3x the throughput at half the latency of Amazon RDS for MySQL with their added advantage of having 2 read replicas as compared to 1 in RDS. MySQL on AWS Performance Test. AWS High Performance XLarge (see system details below). Amazon RDS. Instance Type.

AWS 183

AWS Latency Performance Performance Testing 183

Dynatrace

SEPTEMBER 15, 2020

If you want to see a more hands-on approach, I encourage you to watch the recording as Stefano did a live demo of Akamas’s integration with Dynatrace, showing how to minimize the footprint of a Java application with automated JVM tuning. Akamas also enables you to automate the analysis of the experiment metrics in powerful ways.

Performance 260

Performance Java Metrics Cloud 260

DZone

DECEMBER 18, 2021

In the application under test, SOLR was used as a component to store, search, and retrieve the contents. While conducting the performance testing, it was observed that the SOLR Slave CPU was increasing constantly for every test as given below: was used in this application.

Performance Testing 246

Performance Testing Testing Performance Tuning 246

Scalegrid

OCTOBER 17, 2019

It creates yet another component that must be maintained, fine tuned for your workload, security patched often, and upgraded as required. It increases the surface area for attack, unless access to the underlying database is locked down to allow access only via the connection pooler. Should You Use a PostgreSQL Connection Pooler?

Architecture 200

Architecture Database Latency Servers 200

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]. </p>

Benchmarking 130

Benchmarking AWS Tuning Metrics 130

DZone

SEPTEMBER 17, 2019

Performance engineering at its finest. As the world becomes more decidedly digital, the demand for apps has skyrocketed like never before. " There's an app for that " is not just a popular saying. It is an accurate depiction of how people live their lives.

Engineering 100

Engineering Performance Testing Performance Testing 100

Dynatrace

AUGUST 29, 2019

However, performance test execution and evaluation shouldn’t be a manual process and certainly shouldn’t be limited to dedicated testing teams.

Cloud 188

Cloud DevOps Strategy Performance Testing 188

Scalegrid

JUNE 22, 2020

To ensure the most accurate results in our performance tests, we run the benchmark four times for each comparison to find the average performance across throughput and latency over read-intensive workloads, balanced workloads, and write-intensive workloads. MySQL Configuration Management & Tuning. Replication Options.

Database 217

Database Benchmarking Latency Performance 217

Abstracta

AUGUST 22, 2022

Interested in performance testing? Stay tuned! The post Performance Testing In-Depth #1 Hosted by Abstracta, WOPR29 is just around the corner appeared first on Abstracta Software Testing Services. How was WOPR29’s theme chosen and why is it being hosted by Abstracta in Uruguay?

Performance Testing 52

Performance Testing Testing Performance Tuning 52

KeyCDN

AUGUST 15, 2019

Web performance is a broad subject, and you’ll find no shortage of performance testing tips and tutorials all over the web. Before you begin tuning your website or application, you must first figure out which metrics matter most to your users and establish some achievable benchmarks. What is Performance Testing?

Testing Tools 55

Testing Tools Best Practices Performance Testing Testing 55

DZone

JANUARY 23, 2021

According to a performance test conducted by Arnaldo Carvalho de Melo, a senior software engineer at Red Hat, the process traced using strace ran 173 times slower, which is disastrous for a production environment. If you need to dynamically trace Linux process system calls, you might first consider strace.

Systems 171

Systems Performance Software Engineering Performance Testing 171

DZone

MAY 16, 2022

Projects involving performance testing and engineering fail for a variety of reasons. The majority of performance project failures occur for various highly complex reasons from every phase of the development life cycle and performance testing life cycle.

Performance 100

Performance Education Performance Testing Engineering 100

Dynatrace

MAY 27, 2021

It also helps measure how well your automated tests work and how often code changes are causing your tests to break. CD depends on automated testing, and test pass rate helps you fine tune testing methods and improve the effectiveness of your developer feedback loop.

Best Practices 147

Best Practices DevOps Open Source Cloud 147

DZone

JULY 24, 2017

We take a look at the best articles on Performance on DZone from June, some interesting pieces from others sites, and great performance gigs and publications featured on DZone.

Java 100

Java Performance Tuning Code 100

Percona

DECEMBER 20, 2018

Linux OS Tuning for MySQL Database Performance. In this post we will review the most important Linux settings to adjust for performance tuning and optimization of a MySQL database server. AMD EPYC Performance Testing… or Don’t get on the wrong side of SystemD. Tuning InnoDB Primary Keys.

Database 51

Database Tuning Performance AWS 51

n0derunner

JULY 23, 2019

The Postgres DB is totally un-tuned and contains purely default settings. The variation in the transaction rate is due to the benchmark itself, the transaction rate is not expected to be uniform. Many different queries are executing in parallel, some hitting RAM cache, some hitting storage. The post Impact of Data locality on DB workloads.

Benchmarking 76

Benchmarking Storage Cache Tuning 76

Brendan Gregg

FEBRUARY 9, 2018

In this post I'll look at the Linux kernel page table isolation (KPTI) patches that workaround Meltdown: what overheads to expect, and ways to tune them. Much of my testing was on Linux 4.14.11 Some older kernels have the KAISER patches for Meltdown, and so far the performance overheads look similar. and 4.14.12

Performance 72

Performance Benchmarking Cache Tuning 72

Smashing Magazine

APRIL 11, 2022

These default priorities work reasonably well for most cases, usually resulting in a good performance. However, developers with a deep understanding of the project may want to improve performance beyond that by doing some fine-tuning under the hood. Fine-tuning JavaScript Resource Priorities. Examples And Use Cases.

Media 78

Media Tuning Metrics Google 78

HammerDB

OCTOBER 18, 2018

An essential part of database performance testing is viewing the statistics generated by the database during the test and in 2009 HammerDB introduced automatic AWR snapshot generation for Oracle for the TPC-C test. However what if you want to review performance data in real time as the test is running?

Benchmarking 40

Benchmarking Monitoring Performance C++ 40

Apica

SEPTEMBER 21, 2020

The account manager will talk you through the deployment options and be with you every step of the process, including monitoring and performance testing. We will stay with you to fine-tune and optimize your deployment, so you can get everything possible out of your Apica solution.

Monitoring 52

Monitoring Tuning Virtualization Cloud 52

SQL Performance

DECEMBER 9, 2020

Testing different base table cardinalities is just one dimension to try. I’ll present the performance tests that I’ve done with my solution. Let’s proceed to performance testing. So, my tuning efforts ended up yielding an improvement of 43.5 There could be many others. The challenge is on!

C++ 114

C++ Servers Testing Processing 114

Apica

DECEMBER 12, 2022

Most software delivery teams are already adopting automated tools and DevOps methodologies for shifting unit, functional, regression and performance testing left as far as they can in the software pipeline. Putting the user at the center instead of the software. Use cases: From slow advertising to nonstop carnage. The result?

Testing 52

Testing DevOps Monitoring Performance Testing 52

DZone

JUNE 22, 2020

Poor Mobile App Performance: A Horror Story. I can vividly remember one of the horrors I faced due to poor mobile app performance, which occurred while traveling across Europe with nothing but two friends, a backpack, and my iPhone in tow. All summer long, I relied on mobile apps for getting from one place to the next.

Mobile 147

Mobile Performance Tuning Performance Testing 147

Smashing Magazine

SEPTEMBER 6, 2021

As such, a micro-optimization is, again, how you probably need to fine-tune things on a low level to really benefit from it. As discussed in part 2 , that’s where QUIC is most likely to pay off anyway, and using a CDN is one of the key performance optimizations you can do. Tools and Testing. What Does It All Mean?

Network 120

Network Servers Cache Traffic 120

DZone

AUGUST 16, 2019

If we are not prepared for this, the application performance will start degrading, and you will lose your audience and business.

Scalability 145

Scalability Efficiency Hardware Software 145

Brendan Gregg

FEBRUARY 8, 2018

In this post I'll look at the Linux kernel page table isolation (KPTI) patches that workaround Meltdown: what overheads to expect, and ways to tune them. Much of my testing was on Linux 4.14.11 Some older kernels have the KAISER patches for Meltdown, and so far the performance overheads look similar. and 4.14.12

Performance 40

Performance Benchmarking Cache Tuning 40

Smashing Magazine

FEBRUARY 2, 2022

An additional way of identifying those bundles is to run a performance test in a browser or use WebPageTest , and check which bundles block the CPU main thread the longest. We can fine-tune performance budgets to tailor for worse possible user scenarios, and use that as a baseline for performance optimization.

Code 104

Code Performance Network Website 104

Apica

MAY 10, 2019

These virtual users simulate realistic scenarios scripted and recorded with Apica’s ZebraTester tool so that hundreds, thousands, and millions of tests run concurrently in a Streaming companies/studios’ pre-production or production environments before the episodes are actually ‘aired.’

Testing 40

Testing Performance Social Media Wireless 40

SQL Performance

DECEMBER 9, 2020

Testing different base table cardinalities is just one dimension to try. I’ll present the performance tests that I’ve done with my solution. Let’s proceed to performance testing. So, my tuning efforts ended up yielding an improvement of 43.5 There could be many others. The challenge is on!

C++ 61

C++ Servers Testing Processing 61

HammerDB

OCTOBER 12, 2018

To be clear this chart shows the data from 20 performance tests, each with a 2 minute rampup time and 5 minute test. After each test completed HammerDB then increased the virtual user count and repeated the test. innodb_file_per_table. innodb_log_file_size=1024M. innodb_log_files_in_group=32. innodb_doublewrite=0.

Best Practices 40

Best Practices Scalability Performance C++ 40

SQL Server According to Bob

JANUARY 11, 2020

For specific information on I/O tuning and balancing, you will find more details in the following document. NT Server and Disk Subsystem Performance [link] Torn I/O Torn I/O is often referred to as a ​​ torn page ​​ in SQL Server documentation.

Servers 40

Servers Cache Media Hardware 40

Dynatrace

OCTOBER 26, 2020

All your JMeter results in Dynatrace for better performance engineering. Christian Inzko , Performance Engineer out of our Klagenfurt Lab, is running a lot of performance tests to validate performance and scalability of our Dynatrace clusters. So stay tuned.

Innovation 234

Innovation Metrics Hardware Open Source 234

Dynatrace

OCTOBER 28, 2021

Once established, chaos engineering becomes an effective way to fine tune service-level indicators and objectives, improve alerting, and build more efficient dashboards, so you know you are collecting all the data you need to accurately observe and analyze your environment.

Engineering 264

Engineering Entertainment Cloud Infrastructure 264

Adrian Cockcroft

JUNE 21, 2022

I was mostly coding in C, tuning FORTRAN, and when I needed to do a lot of data analysis of benchmark results used the S-PLUS statistics language, that is the predecessor to R. The SE toolkit was fast, had no memory leaks (monitoring scripts could run for years) and let me implement lots of cool performance monitoring ideas.

Tuning 52

Tuning Benchmarking Engineering C++ 52