Scalegrid

JULY 8, 2019

Are you looking to get started with the world’s most popular open-source database, and wondering how you should setup your MySQL hosting ? So many default to Amazon RDS, when MySQL performs exceptionally well on Azure Cloud. MySQL DBaaS vs. Self-Managed MySQL. A good example would be slow query analysis. High Availability Deployment.

Azure 219

Azure Cloud Virtualization Database 219

DZone

OCTOBER 14, 2020

Mocking Test Methodology. call to database or service) with artificial functionality that has the same return type. User Service — Example to Be Tested With Mocks. User Service — Example to Be Tested With Mocks. The key idea of mocking is to replace real code (e.g. There are different approaches to this practice.

Testing 187

Testing Best Practices Database Code 187

Dotcom-Montior

NOVEMBER 27, 2018

You’ve likely uttered the phrases “test early and often” and “shift left,” but do you always remind yourself of the importance of that phrase from the end user’s perspective? LoadView, our on-demand, cloud-based load and stress testing platform , takes an outside-in approach to performance testing.

Performance Testing 40

Performance Testing Strategy Testing Performance 40

Scalegrid

JANUARY 20, 2020

Follower clusters are a ScaleGrid feature that allows you to keep two independent database systems (of the same type) in sync. This extra cluster, known as a follower cluster, can be leveraged for multiple use cases, including for analyzing, optimizing and testing your application performance for MongoDB , MySQL and PostgreSQL.

Analytics 185

Analytics Storage Database Systems 185

Testsigma

DECEMBER 4, 2020

To ensure quality, mobile app testing is essential. In this blog, we will discuss a step-by-step mobile app testing checklist. This is where cross-platform testing comes into the picture. Since the mobile apps have limited storage space and power supply, test for memory utilization as well as battery usage.

Mobile 65

Mobile Testing Operating System Storage 65

Scalegrid

DECEMBER 16, 2019

MongoDB is the #3 open source database and the #1 NoSQL database in the world. It’s a cross-platform document-oriented database that uses JSON-like documents with schema, and is leveraged broadly across startup apps up to enterprise-level businesses developing modern apps. minutes of downtime in one year. MongoDB Replica Sets.

Azure 187

Azure AWS Latency Database 187

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 189

Engineering Performance Metrics Best Practices 189

Testsigma

FEBRUARY 3, 2021

Also, how to test the hardware of the mobile phone itself, is it supporting all the software as it should? To answer all these questions we need exhaustive mobile testing in place. Let us have a look at the most popular types of mobile testing for applications and hardware. Functional Testing. Usability Testing.

Mobile 82

Mobile Testing Hardware C++ 82

Testsigma

FEBRUARY 6, 2020

According to IEEE Std 829-1998, Software Testing is defined as “the process of analyzing a software item to detect the differences between existing and required conditions (i.e. ” With the advent of new technologies and new software being released every day, software testing is gaining more strength and accolades.

Software 69

Software Software Testing Scalability 69

Enprowess

OCTOBER 7, 2021

8 Functional Testing types. Quick Summary: In the most straightforward and simple words, functional testing tests various aspects of an application, website, or system to guarantee that it is correctly doing what it should be. The tests also discover a more modular architecture with subsystems that have clear responsibilities.

Testing 52

Testing Software Software Systems 52

Percona

DECEMBER 20, 2018

Let’s look at some of the most popular Percona Database Performance Blog posts in 2018. With the Percona Database Performance Blog, Percona staff and leadership work hard to provide the open source community with insights, technical support, predictions and metrics around multiple open source database software technologies.

Database 40

Database Tuning Performance AWS 40

Testlodge

JULY 4, 2018

Stress testing gives a measure of the reliability of a software system. Stress testing reveals how long a system can remain stable without crashing under a heavy, stressful load. In other words, we can say that stress testing discovers the breakpoint where a system starts to become unreliable. Why Stress Testing?

Testing 45

Testing Testing Tools Servers Monitoring 45

Dynatrace

OCTOBER 5, 2020

The same default behavior is also true for Dynatrace when installing the OneAgent on your servers that host your ASP.NET services. 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.

Performance 151

Performance Best Practices Architecture Monitoring 151

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

FEBRUARY 27, 2021

Hence, they need to be tested thoroughly and for each use-case, before they are ready to be deployed in the production server. We all know how important it is to perform unit testing on separate modules or “units of codes”. This is where the need for Android integration testing arises.

Testing 52

Testing Performance Testing Mobile Software 52

Percona

MAY 9, 2023

Background story I recently worked with a company running a large four-shard MongoDB Enterprise Server database cluster on VMs on premises that decided to migrate to the Google Cloud Platform. This can be MongoDB Enterprise Server, MongoDB Community Edition, or Percona Server for MongoDB. Don’t start the server yet!

Storage 107

Storage Cloud Servers Google 107

SQL Server According to Bob

JANUARY 11, 2020

Microsoft SQL Server I/O Basics Author: ​​ Bob Dorr, Microsoft SQL Server Escalation Published: ​​ December, 2004 SUMMARY: ​​ Learn the I/O requirements for Microsoft SQL Server database file operations. Then follow the instructions to either download the BOL or browse online.

Servers 40

Servers Cache Media Hardware 40

Alex Podelko

AUGUST 15, 2017

An interesting discussion started around a very good post Open Source Load Testing Tool Review by Ragnar Lönn. What I’m looking for primarily is functionality that supports load test automation. But I don’t think the traditional, complex load test scenario is suitable for automation.

Testing Tools 100

Testing Tools Testing Website Open Source 100

SQL Performance

APRIL 13, 2022

It’s based on a question from a public database forum. 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. uniquevalues AS INT = 5 ; ALTER TABLE dbo. T1 ; INSERT INTO dbo.

C++ 136

C++ Strategy Testing Servers 136

SQL Performance

APRIL 13, 2020

value ( '(@Database) [1 ]' , 'varchar(128)' ) AS DatabaseName , obj. Step 6: Testing. At its simplest, testing an index means taking the problematic query and capturing the plan and performance data (duration, IO, CPU, etc.), If performance improves, you're good to go! nodes ( '.

Tuning 137

Tuning Cache Metrics Testing 137

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. You can create supporting tables in the user database if needed.

C++ 114

C++ Servers Testing Processing 114

Adrian Cockcroft

JUNE 21, 2022

I became the Sun UK local specialist in performance and hardware, and as Sun transitioned from a desktop workstation company to sell high end multiprocessor servers I was helping customers find and fix scalability problems. We had specializations in hardware, operating systems, databases, graphics, etc.

Tuning 52

Tuning Benchmarking Engineering C++ 52

SQL Shack

JUNE 21, 2019

This article is a dive into SQL Server internals, performance testing, […]. Summary There are few topics so widely misunderstood and that generates such frequent bad advice as that of the decision of how to index a table.

Performance Testing 48

Performance Testing Servers Testing Performance 48

n0derunner

OCTOBER 4, 2019

HammerDB is a great tool for running Database benchmarks. When setting up HammerDB to run against even a moderate modern server, it is important to avoid displaying the client transaction outputs in the HammerDB UI. SQL Server uses all the CPU (99%). Checked -> 124,000 tpm Un-Checked -> 800,000 tpm.

Benchmarking 75

Benchmarking Database Servers Performance Testing 75

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. You can create supporting tables in the user database if needed.

C++ 61

C++ Servers Testing Processing 61

High Scalability

NOVEMBER 25, 2019

Application Servers. Apache FTP server. Native desktop and server hosted clients that allow both interactive as well as hybrid sync access to the entire namespace. Tens of petabytes of data stored in our servers and other object stores such as GCS, S3 and Azure Blobstore. Egnyte Connect Tech Stack. Cloud Platform.

Architecture 52

Architecture Cache Azure Storage 52

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. Similarly for this guide MySQL can be swapped for a mySQL based databases such as MariaDB. HammerDB difference from Sysbench. 10 rows in set (0.02

Best Practices 40

Best Practices Scalability Performance C++ 40

Smashing Magazine

JANUARY 6, 2020

Is it worth exploring tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, server push, clients hints, HTTP/2, service workers and — oh my — edge workers? Testing And Monitoring. You can then mimic the 90th percentile’s experience for testing. Table Of Contents.

Performance 145

Performance Cache Network Metrics 145

Dynatrace

SEPTEMBER 17, 2019

Once Dynatrace OneAgent is monitoring the k8s cluster it gives you code-level visibility into every container that gets deployed including visibility into each incoming service call, executed database queries, invoked external services, written logs as well as handled and unhandled exceptions. #1 1 User Experience Optimization.

AWS 127

AWS Monitoring Ecommerce Lambda 127

Smashing Magazine

JANUARY 7, 2019

Is it worth exploring tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, server push, clients hints, HTTP/2, service workers and — oh my — edge workers? Testing And Monitoring. You can then mimic the 90th percentile’s experience for testing. Table Of Contents.

Performance 103

Performance Cache Metrics Network 103

Brendan Gregg

FEBRUARY 9, 2018

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. Also microbenchmarks, which often stress-test the system, will suffer the largest losses. I've since tested the 4.4.115 kernel and confirmed that pcid is used there.

Performance 75

Performance Benchmarking Cache Tuning 75

n0derunner

OCTOBER 7, 2019

may induce imbalanced NUMA utilization with SQL Server. E.g. Imbalanced NUMA usage by SQL Server. This causes the SQL Server Round-robin allocation to send all the persistent worker threads to a single NUMA Node! Whether this results in more/better performance will depend on exactly where the bottleneck is.

Servers 12

Servers Monitoring Performance Database 12

Brendan Gregg

FEBRUARY 8, 2018

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. Also microbenchmarks, which often stress-test the system, will suffer the largest losses. I've since tested the 4.4.115 kernel and confirmed that pcid is used there.

Performance 40

Performance Benchmarking Cache Tuning 40