Percona

JUNE 22, 2023

To make data count and to ensure cloud computing is unabated, companies and organizations must have highly available databases. A basic high availability database system provides failover (preferably automatic) from a primary database node to redundant nodes within a cluster. HA is sometimes confused with “fault tolerance.”

Availability 104

Availability Database Open Source Hardware 104

Percona

DECEMBER 14, 2023

I played a bit with ChatGPT in February to see how it would respond to random database-related inquiries, and I found it pretty impressive and annoying at the same time. significantly enhanced downgrade compatibility by introducing changes that make it easier for downgraded databases to interoperate with older MongoDB versions.

Database 84

Database Artificial Intelligence Servers Operating System 84

Dynatrace

DECEMBER 9, 2020

If you’re running SAP, you’re likely already familiar with the HANA relational database management system. However, if you’re an operations engineer who’s been tasked with migrating to HANA from a legacy database system, you’ll need to get up to speed quickly. Avoid false positives with auto-adaptive baselining.

Infrastructure 205

Infrastructure Database Monitoring Metrics 205

SQL Shack

OCTOBER 14, 2020

In this article, we will learn the SQL Server clustered index concept and some internal details. Indexes are the database objects that accelerate the performance of data accessing when are designed properly.

Servers 86

Servers Database Design Performance 86

Percona

JANUARY 2, 2024

Managing database servers involves different aspects, among which security is critical. However, we know having a “runaway” grant is always a possibility, especially in environments with a large number of servers. Fortunately, in Percona Server for MySQL , this feature is free to use. How does it work?

Servers 81

Servers Database Open Source Scalability 81

SQL Shack

MAY 8, 2020

In this article, we will continue to learn essential techniques of the SQL Server query tuning with practical examples. Query tuning is a bit complicated issue and if any database programmer wants to be successful on this topic, they can start with learning these basic methods to improve their skill.

Tuning 86

Tuning Servers Database Performance 86

Scalegrid

JULY 29, 2019

MySQL is a free open source relational database management system that is leveraged across a majority of WordPress sites, and allows you to query your data such as posts, pages, images, user profiles, and more. Managing a database is hard, as it needs continuous updating, tuning, and monitoring to ensure the performance of your website.

Database 166

Database Cloud Website Azure 166

Scalegrid

FEBRUARY 17, 2020

In a MySQL master-slave high availability (HA) setup, it is important to continuously monitor the health of the master and slave servers so you can detect potential issues and take corrective actions. MySQL Master Server Health Checks. Important Health Checks for your MySQL Master-Slave Servers Click To Tweet.

Servers 273

Servers Monitoring Availability Programming 273

Dynatrace

AUGUST 12, 2019

With OneAgent installed on an application server, Davis, the Dynatrace AI causation engine, continuously analyzes all database statements within the context of your applications. Now, with Oracle database insights, we’re going even deeper, giving you visibility into what’s going on in the database layer.

Database 128

Database Metrics Cache Servers 128

Percona

FEBRUARY 24, 2023

As a result, it becomes increasingly important to protect the confidentiality of information to prevent data leaks and facilitate easy access to relevant data sources and tools for the related teams without having to sift through unrelated databases or environmental data. to monitor and diagnose. +50

Metrics 104

Metrics Monitoring Database Engineering 104

Percona

JULY 31, 2023

Open source database architects usually do not implement business logic in their databases. This is in stark contrast to many commercial databases where this is a common practice. In the first case, all the heuristics are kept at the application layer, and the database has little or no effect on the data quality.

Database 73

Database Open Source Servers Code 73

Percona

FEBRUARY 16, 2023

We can verify that through the following example: We started MySQL with the configuration of “ early-plugin-load=keyring_file.so keyring_file_data=/var/lib/mysql/keyring_file mysql> create database test; mysql> show create schema testG 1. row Database: test Create Database: CREATE DATABASE `test` /*!40100

Database 114

Database Servers Engineering Testing 114

Percona

JANUARY 25, 2023

Database administrators often need to identify inactive databases and users to save resources. This can be done using various methods to determine which databases and users are frequently accessed. We can save disk space and other resources by purging inactive databases and users.

Database 93

Database C++ Servers Open Source 93

SQL Performance

AUGUST 1, 2022

Recently I covered some of the T-SQL improvements in SQL Server 2022 here , and Aaron Bertrand covered additional improvements here. Microsoft just announced the release of SQL Server 2022 CTP 2.1. I’ll be using the sample database TSQLV6 in the examples in this article. You can download this sample database here.

Servers 142

Servers Testing C++ Code 142

SQL Performance

MAY 24, 2022

Microsoft recently released the first public preview of SQL Server 2022. I’ll be using the sample database TSQLV6 in the examples in this article. You can download this sample database here. This clause is now available in Azure SQL Database and SQL Server 2022, provided you use database compatibility level 160 or higher.

Servers 145

Servers C++ Code Database 145

Percona

JANUARY 17, 2023

The definition of Percona Advisors by ChatGPT is the following: Percona Advisors can help organizations implement robust security measures to protect their databases and sensitive data. For the sake of simplicity and speed, I will use Percona Operator for MySQL (based on Percona Server for MySQL which is in tech preview).

Database 100

Database Open Source Monitoring Innovation 100

Percona

DECEMBER 15, 2022

JSON data and relational databases have traditionally been diametric opposites. So many folks were surprised when relational databases started adding a JSON data type to their products. In this multi-part blog series, we will start with an overview of using JSON in a relational database. JSON is popular. Very popular.

Database 90

Database Servers Processing Efficiency 90

Percona Community

MARCH 19, 2023

We learn how to work with HTTP requests in PHP and make API requests using the GitHub API as an example. We’ll get the data from the API and save it to the database. In the previous article, we developed a simple application that connects to the MongoDB database (Percona Server for MongoDB) and writes documents in a loop.

Servers 52

Servers Database Code Development 52

HammerDB

OCTOBER 23, 2023

HammerDB uses stored procedures to achieve maximum throughput when benchmarking your database. HammerDB has always used stored procedures as a design decision because the original benchmark was implemented as close as possible to the example workload in the TPC-C specification that uses stored procedures. What is a stored procedure?

Benchmarking 62

Benchmarking Database Network C++ 62

Percona

APRIL 14, 2023

Below, we outline some proactive steps for achieving cost efficiency and maintaining performant database environments amid a turbulent economy: 1. Here are a few ways you can scale down and save: Audit your systems: Auditing your system for unused servers and eliminating those servers can reduce your cloud spend.

Database 79

Database Serverless Tuning Cloud 79

HammerDB

MARCH 25, 2023

Docker build, example CLI scripts were added to build and run the TPROC-C workload in the Tcl language. This post will give an overview of the example CLI scripts that you can run directly or use as a template to write your own. Linux example For a first example we will look at the TPROC-C workload in Tcl running on MariaDB on Linux.

C++ 83

C++ Virtualization Benchmarking Database 83

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

SQL Shack

AUGUST 16, 2019

A graph database is a type of NoSQL database that is based on graph theory. Graph databases are ideal for storing data that has complex many to many relationships. In this article, we will study the very basics of graph databases with the help of a simple example.

Database 79

Database Servers Monitoring 79

Percona

JANUARY 5, 2023

In PostgreSQL, vacuuming is a maintenance task that helps to optimize database performance and reclaim space. PostgreSQL and other database management systems use MVCC to ensure consistent reads and prevent data loss from concurrent updates. It is essential to run a vacuum to keep the database running smoothly periodically.

Database 105

Database Performance C++ Efficiency 105

Scalegrid

MAY 13, 2019

MySQL Server generates several logs that can help you monitor the activities of the server. Setting Up MySQL Server Logging. As an example, let’s have some criteria for managing general MySQL query logs. Managing MySQL Server Logs: Rotate, Compress, Retain & Delete Click To Tweet.

Servers 247

Servers Best Practices Efficiency Availability 247

Scalegrid

DECEMBER 9, 2019

However, discarding a server like this is expensive and inefficient. In this blog post, we will explain an approach to detect and fix transactions on the crashed MySQL master server in a semisynchronous replication setup, and how to re-slave it back into your master-slave setup. Default database: 'test'. Returns false otherwise.

Servers 160

Servers Database Processing Availability 160

Percona

APRIL 28, 2023

Let’s start with a simple introductory comparison: With proprietary (closed source) database software, the public does not have access to the source code; only the company that owns it and those given access can modify it. Myth #2: Proprietary databases are better and therefore more suitable for large enterprises.

Open Source 110

Open Source Database Software Software 110

DZone

JULY 11, 2022

If you are a software developer, sooner or later you’ll have to connect to a Linux machine to perform administrative tasks, access remote database servers, or deploy applications, among other things. Getting comfortable using the command-line interface (CLI) is a must if you want to be proficient with Linux.

Virtualization 268

Virtualization Database Servers Software 268

HammerDB

OCTOBER 24, 2023

by @krithikasatish and @JoshInnis to provide accelerated load performance for both SQL Server TPROC-C and TPROC-H schemas. This earlier functionality has the advantage that there are no intermediate staging files required, and data is inserted into the database with multi-row inserts as soon as it is created.

Servers 62

Servers C++ Benchmarking Virtualization 62

DZone

SEPTEMBER 26, 2023

Since you need to access multiple components (servers, databases, network infrastructure, applications, etc.) We'll talk about best practices and habits and use some of the Log Analytics tools from Sumo Logic as examples. Let’s blast off and turn that cosmic trash into treasure!

Best Practices 249

Best Practices Analytics Infrastructure Network 249

Speed Curve

FEBRUARY 5, 2024

Server-timing headers are a key tool in understanding what's happening within that black box of Time to First Byte (TTFB). Cue server-timing headers Historically, when looking at page speed, we've had the tendency to ignore TTFB when trying to optimize the user experience. I mean, why wouldn't we?

Servers 57

Servers Cache Retail Benchmarking 57

Dynatrace

JANUARY 23, 2024

In May 2023 the critical vulnerability CVE-2020-36641 in the Java library aXMLRPC was published in the National Vulnerability Database (NVD). XML external entity (XXE) exploit The aXMLRPC library allows its users to connect to a server and perform RPC calls using the XML-RPC protocol over HTTP.

Java 211

Java Servers Code Software 211

SQL Performance

JULY 19, 2022

The simplest definition of a log record: it describes a single change to a database. A single operation in the database may cause multiple changes , but each change will usually have its own log record to describe it. out of space on the log drive), the database must be set offline in the SUSPECT state. What Are Log Records?

Servers 94

Servers Database Storage Engineering 94

Scalegrid

DECEMBER 14, 2023

How the MongoDB timeout is set up can significantly affect your application’s performance, no matter if you are an experienced MongoDB user or just starting with NoSQL databases. Typical applications are interacting with different database servers based on the business logic.

Java 130

Java Network Servers Database 130

High Scalability

FEBRUARY 17, 2021

This article is to simply report the YCSB bench test results in detail for five NoSQL databases namely Redis, MongoDB, Couchbase, Yugabyte and BangDB and compare the result side by side. I have used latest versions for each NoSQL DB and have followed the recommendations to run all the databases in optimized conditions. About YCSB.

Benchmarking 308

Benchmarking Latency C++ Database 308

Percona

MAY 2, 2023

That’s why it’s essential to implement the best practices and strategies for MongoDB database backups. Why are MongoDB database backups important? Regular database backups are essential to protect against data loss caused by system failures, human errors, natural disasters, or cyber-attacks.

Best Practices 52

Best Practices Database Storage Servers 52

Percona

JUNE 1, 2023

In this case, we will be analyzing the migration of MariaDB to Percona Server for MySQL 8 in particular. the same does not happen with MariaDB, which from a specific version, we could say in some way, distanced itself from MySQL and Percona Server for MySQL. Upload that dump to the Percona Server for MySQL using myloader.

Servers 71

Servers Database Testing Open Source 71