Alex Podelko

OCTOBER 20, 2016

I am looking forward to share my thoughts on ‘Reinventing Performance Testing’ at the imPACt performance and capacity conference by CMG held on November 7-10, 2016 in La Jolla, CA. New Architectures (this post). Cloud seriously impacts system architectures that has a lot of performance-related consequences. – Cloud.

Performance Testing 100

Performance Testing Architecture Testing Performance 100

Percona

MARCH 23, 2023

When it comes to enterprise-level databases, there are several options available in the market, but PostgreSQL stands out as one of the most popular and reliable choices. PostgreSQL is a free and open source object-relational database management system (ORDBMS) that has existed since the mid-1990s.

Database 117

Database Open Source Traffic Small Business 117

Percona

AUGUST 30, 2023

Data powers everything, and unlike coal and coal combustion, data and databases aren’t going away. In this blog, we’ll focus on the elements of database backup and disaster recovery, and we’ll introduce proven solutions for maintaining business continuity, even amid otherwise dire circumstances.

Database 89

Database Hardware Open Source Strategy 89

Percona

NOVEMBER 3, 2023

Rather than listing the concepts, function calls, etc, available in Citus, which frankly is a bit boring, I’m going to explore scaling out a database system starting with a single host. A future blog will continue my exploration into Citus by scaling out pgbench into other architectures.

Database 106

Database Benchmarking Latency C++ 106

Dynatrace

JANUARY 5, 2022

Credits on content go to him and the work he has been doing around performance & resiliency testing automation. Our Application Performance Management (APM) and load test team at T-Systems MMS helps our customers reduce the risk of failed releases. Automation : Single load test executions can be repeated and tracked.

Testing 217

Testing Open Source Metrics Infrastructure 217

Percona

AUGUST 9, 2023

MySQL 8 brought a significant architectural transformation by replacing the traditional MyISAM-based system tables with the Transaction Data Dictionary (TDD), a more efficient and reliable approach. The primary goal of the Transaction Data Dictionary (TDD) is to enhance the overall performance, stability, and scalability of MySQL databases.

Database 78

Database Storage Scalability Games 78

Dynatrace

OCTOBER 2, 2023

Transforming an application from monolith to microservices-based architecture can be daunting, and knowing where to start can be difficult. Because monolithic applications combine database, client-side interfaces, and server-side application elements in a single executable, they’re difficult to understand, even for their own administrators.

Architecture 231

Architecture Artificial Intelligence Cloud Open Source 231

Percona

MARCH 30, 2023

The use of open source databases has increased steadily in recent years. Past trepidation — about perceived vulnerabilities and performance issues — has faded as decision makers realize what an “open source database” really is and what it offers. What is an open source database?

Open Source 76

Open Source Database Storage Scalability 76

DZone

FEBRUARY 25, 2023

These APIs will be used to check the status of the app, insert data in the database and fetch and display the data from the database. Amazon Aurora is a MySQL and PostgreSQL-compatible relational database available on AWS. Let’s first understand the architecture before we get our hands dirty.

AWS 274

AWS Servers Internet Internet 274

Dynatrace

JANUARY 31, 2024

Retrieval-augmented generation emerges as the standard architecture for LLM-based applications Given that LLMs can generate factually incorrect or nonsensical responses, retrieval-augmented generation (RAG) has emerged as an industry standard for building GenAI applications.

Cache 204

Cache Azure Infrastructure Monitoring 204

Scalegrid

OCTOBER 17, 2019

In that environment, the first PostgreSQL developers decided forking a process for each connection to the database is the safest choice. It would be a shame if your database crashed, after all. Moving to a multithreaded architecture will require extensive rewrites. The PostgreSQL Architecture | Source.

Architecture 200

Architecture Database Latency Servers 200

Dynatrace

FEBRUARY 12, 2024

Continuous testing validation Gala Dvoretskaya, senior principal for digital experience at Dynatrace, discussed how observability enables continuous testing validation to support a seamless release process. Using Dynatrace Workflows , users can execute a variety of different tests after the successful deployment of new releases.

Engineering 182

Engineering Development Infrastructure Cloud 182

Testlodge

MARCH 21, 2023

What’s the difference between Black Box and White Box Testing? When looking at black box vs white box testing, the main difference between them is the type of product information the tester will access. Black box testing focuses on the requirements to ensure the system responds as expected, according to the documentation.

Testing 67

Testing Architecture Hardware Code 67

Scalegrid

MARCH 8, 2024

With MySQL point-in-time recovery , you can restore your database to the moment before the problem occurs. Preparation for PITR is crucial and involves enabling binary logging and creating a full database backup. It is important to begin with a thorough database backup to prepare for such situations.

Database 162

Database Strategy Servers Best Practices 162

Scalegrid

JULY 29, 2020

In our previous posts in this series, we spoke at length about using PgBouncer and Pgpool-II , the connection pool architecture and pros and cons of leveraging one for your PostgreSQL deployment. PgBouncer defines one pool per user+database combination. PgBouncer provides a virtual database that reports various useful statistics.

Benchmarking 246

Benchmarking Database Performance Testing Availability 246

Testlodge

APRIL 14, 2021

Configuration testing is performed to discover the optimum combinations of software and hardware specifications that allow the system to work without flaws. What is Configuration Testing? However, configuration testing is a time-consuming technique, so the team must create a workable plan. Types of Configuration Testing.

Testing 89

Testing Hardware Virtualization Operating System 89

Dynatrace

APRIL 10, 2023

These range from the simple lift-and-shift re-hosting approach to the significant architectural changes involved in refactoring. ” Uninterrupted testing and multicloud observability Cluster monitoring also helped the company avoid performance issues during the A/B testing it conducted to evaluate the user experience.

Cloud 171

Cloud Ecommerce Performance Retail 171

Dynatrace

JANUARY 16, 2023

The strongest Kubernetes growth areas are security, databases, and CI/CD technologies. Strongest Kubernetes growth areas are security, databases, and CI/CD technologies. Of the organizations in the Kubernetes survey, 71% run databases and caches in Kubernetes, representing a +48% year-over-year increase. Java, Go, and Node.js

Open Source 343

Open Source Java Operating System Programming 343

SQL Performance

APRIL 15, 2020

SQL Server has always provided the ability to capture actual queries in an easily-consumable rowset format – first with legacy SQL Server Profiler, later via Extended Events, and now with a combination of those two concepts in Azure SQL Database. Unfortunately, my excitement was short lived for a couple of reasons.

Azure 96

Azure Database Tuning Network 96

Percona

DECEMBER 18, 2023

These days, there’s been a lot of talk in the industry about setting up one’s database system on PostgreSQL. Most times, these are Greenfield projects where the bulk of the effort is on its design and architecture. Database migration, a POC in action Objective Perform a database migration from MySQL to PostgreSQL.

Open Source 122

Open Source Database Architecture Design 122

Scalegrid

JANUARY 8, 2024

AI-driven cloud solutions like ScaleGrid offer a diverse range of database hosting options, robust infrastructure optimized for scalability and security, and enable significant cost reductions, supporting businesses in efficient growth and improved ROI. These services are tailored to meet various business requirements.

Artificial Intelligence 147

Artificial Intelligence Cloud Scalability Analytics 147

The Morning Paper

AUGUST 29, 2019

Choosing a cloud DBMS: architectures and tradeoffs Tan et al., As it is infeasible to test every OLAP system runnable on AWS, we chose widely-used systems that represented a variety of architectures and cost models. InS does now offer an NVMe variant too, and the authors perform limited testing on that as well.

Architecture 76

Architecture Cloud Storage Serverless 76

Percona

JULY 7, 2023

Unfortunately, using certain open source database software as part of an HA architecture can present significant challenges. This blog highlights considerations for keeping your own PostgreSQL databases highly available and healthy. The same changes made in the primary database are made in the replicas.

Availability 84

Availability Open Source Architecture Database 84

Scalegrid

MARCH 23, 2020

Check out the Pgpool-II architecture that supports all of its features, and learn how the connection pooler works. Pgpool-II has a more involved architecture than PgBouncer in order to support all the features it does. The architecture is similar to PostgreSQL server: one process = one connection. How it works. Stay tuned!

Cache 264

Cache Servers Architecture Processing 264

O'Reilly Software

JUNE 12, 2018

In fact, before we even had the word microservices in our lexicon, back when it was just good old-fashioned service-oriented architecture, we were talking about data: how to access it, where it lives, who “owns” it. Back then, the most common pattern I saw for service-based systems was sharing a database among multiple services.

Database 72

Database Cache Architecture Latency 72

Scalegrid

FEBRUARY 8, 2024

At its core, a distributed storage system comprises three main components: a controller for managing the system’s operations, an internal datastore where information is held, and databases geared towards ensuring scalability, partitioning capabilities, and high availability for all types of data.

Storage 130

Storage Systems Big Data Azure 130

Percona

AUGUST 22, 2023

Estimates vary, but most reports put the average cost of unplanned database downtime at approximately $300,000 to $500,000 per hour, or $5,000 to $8,000 per minute. With so much at stake, database high availability and fault tolerance have become must-have items, but many companies just aren’t certain which one they must have.

Availability 79

Availability Hardware Open Source Database 79

Abhishek Tiwari

JULY 8, 2023

Traditional testing and monitoring practices have long been relied upon to achieve this goal. However, the line between testing and monitoring is becoming increasingly blurred with the emergence of synthetic monitoring. Synthetic monitoring offers end-to-end visibility across complex architectures and third-party integrations.

Monitoring 52

Monitoring Testing Artificial Intelligence Traffic 52

Scalegrid

APRIL 5, 2024

Grasping the concept of Redis sharding is essential for expanding your Redis database. This method involves splitting data over various nodes to improve the database’s efficiency. Redis isn’t alone in utilizing sharding strategies — it’s a common concept found throughout database technologies to distribute workload efficiently.

Scalability 130

Scalability Efficiency Java Database 130

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

Dynatrace

JANUARY 23, 2023

Here’s the update: Improve architectural design to eliminate SSO bottleneck risk [In progress] Security and access are critical aspects of our architecture, and as such, there are many areas we’re looking to improve. This is in active development and testing now, and we anticipate this being completed by the end of Q1.

Social Media 130

Social Media Cache Traffic Media 130

Dynatrace

APRIL 11, 2023

Cloud application security remains challenging because organizations lack end-to-end visibility into cloud architecture. As organizations migrate applications to the cloud, they must balance the agility that microservices architecture brings with the complexity and lack of transparency that can also come with it.

Cloud 186

Cloud DevOps Open Source Retail 186

Dynatrace

JANUARY 14, 2022

The following figure shows the high-level architecture where any load testing solution (e.g. JVM, databases, middleware, operating system, cloud instances, etc) by also taking advantage of Dynatrace full-stack observability. Conclusions. Additional resources.

Latency 204

Latency Tuning Efficiency AWS 204

HammerDB

NOVEMBER 30, 2018

However if you have downloaded the source code and are looking to add features or make modifications such as adding new databases you may be wondering once you have the source code where to start. However HammerDB will not be able to connect to a database yet and the librarycheck command included with the CLI gives an indication why.

Architecture 40

Architecture Virtualization Open Source C++ 40

Percona

JUNE 23, 2023

Both MySQL and PostgreSQL do the basics very well From a high level, one relational database management system is pretty much like every other relational database management system. It does not follow the SQL Standard as closely as other databases, and some useful functions such as MERGE() are missing.

Database 120

Database Transportation Servers Cloud 120

Percona

MARCH 21, 2023

Tenants Multi-tenancy is a software architecture pattern where a single instance of a software application serves multiple tenants, allowing them to share resources like storage, processing power, and memory while maintaining separate, secure access to their respective data.

Serverless 124

Serverless Software Architecture Virtualization Database 124

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