Percona

AUGUST 29, 2023

A single command to deploy the operator would be: kubectl apply -f [link] --server-side Init SQL script Init SQL allows the creation of the database cluster with some initial data in it. You can find all examples from this blog post in this GitHub repository. Everything is created with postgres admin user. Search for init SQL.

Storage 94

Storage Database Media Open Source 94

Percona

FEBRUARY 16, 2023

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 00000030: 0000 0000 0000 0000 2000 0000 0000 0000. 00000030: 0000 0000 0000 0000 2000 0000 0000 0000.

Database 117

Database Servers Engineering Testing 117

Percona

OCTOBER 2, 2023

You can get summaries of your database servers, or you verify replication lag on MySQL and PostgreSQL servers. You get thirty-eight scripts that can do any manner of actions, and you will find them very valuable in your regular database work. And did I mention they are open source?! 25 Buffer Pool Size | 128.0M

Cache 99

Cache Database Virtualization Servers 99

Adrian Cockcroft

MARCH 21, 2020

AB Testing?—?So The first thing I found was that every user visible change we made went through an A/B test. An oft-quoted study by Microsoft Bing found that of the changes they test, one-third prove effective, one-third have neutral results, and one-third have negative results. You need an “abtest” database service.

Testing 52

Testing Tuning Database Cache 52

The Netflix TechBlog

FEBRUARY 13, 2020

The JPEG 2000 format , based on the discrete wavelet transform (DWT), was introduced as a successor to JPEG in the year 2000. Webp does not have all the flexibilities of JPEG 2000. Following are the codecs and/or configurations tested and reported against the baseline in the form of BD rate. 264, a.k.a.

Code 212

Code Metrics Efficiency Open Source 212

Dynatrace

APRIL 21, 2022

Too much data requested from a database. Some principles Microsoft provides to help organizations across this area include: Define and test availability targets such as service level agreements (SLAs) and SLOs. Figure 5 – Dynatrace measures over 2000 different metrics ready for use as dedicated SLIs. Missing caching layers.

Azure 197

Azure Monitoring Virtualization Metrics 197

Percona

MAY 15, 2023

The main reason behind this is that MySQL is a relational database system (RDBMS), and any data that is going to be written in it must respect the RDBMS rules. In shard-nothing, each shard can live in a totally separate logical schema instance / physical database server/data center/continent. The POC Why this POC?

Traffic 124

Traffic Scalability Database Servers 124

HammerDB

OCTOBER 17, 2018

The official TPC-C test has a fixed number of users per warehouse and uses keying and thinking time so that the workload generated by each user is not intensive. With HammerDB this home warehouse is chosen at random at the start of the test and remains fixed. Additionally it is important to understand the workload.

C++ 40

C++ Testing Virtualization Cache 40

Testsigma

NOVEMBER 16, 2021

We shall also see how decisions are made in an enterprise and why cross-browser testing is the most important thing in 2021 to sustain a healthy business. Throughout this post, we shall see the bits of these components and relate them to the testing scenario. What does enterprise mean from a tester’s POV? Needs of an enterprise.

Testing 52

Testing Website Small Business Internet 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”. Integration testing addresses such problems by focusing on the integration of units of codes or software modules.

Testing 52

Testing Performance Testing Mobile Software 52

HammerDB

DECEMBER 14, 2022

The TPC publishes an official Docker image on Docker Hub to enable the rapid deployment and testing of databases with HammerDB. This image includes example scripts to build schemas and test your databases with a single command. Our Linux test system is running a MariaDB 10.10 Database Configuration.

C++ 62

C++ Virtualization Database Benchmarking 62

HammerDB

JUNE 22, 2023

Configuring the Jobs Database The base configuration is set in the xml files in the config directory with the jobs SQLite database being set in the commandline section of generic.xml by specifying the filename. Copyright (C) 2003-2023 Steve Shaw Type "help" for a list of commands Initialized new Jobs on-disk database /opt/HammerDB-4.8/DATA/hammer.db

Benchmarking 57

Benchmarking C++ Virtualization Database 57

Percona

DECEMBER 5, 2022

The need to audit who is using a database and their activities is crucial in many environments. 22 Percona Server (GPL), Release '22', Revision '7e301439b65' Copyright (c) 2009-2022 Percona LLC and/or its affiliates Copyright (c) 2000, 2022, Oracle and/or its affiliates. Percona Server for MySQL is a drop-in replacement for MySQL.

Open Source 68

Open Source C++ Servers Database 68

SQL Server According to Bob

JANUARY 11, 2020

KB sectors run on smaller sectors   14 System and sample databases   15 Determining the formatted sector size of database   15 What sector sizes does SQL Server support? The names of actual companies and products mentioned herein may be the trademarks of their respective owners.

Servers 40

Servers Cache Database Media 40

Percona

DECEMBER 5, 2022

Proxysql has a stats database which we can see with an admin login. This database contains metrics gathered by ProxySQL concerning its internal functioning. Your MySQL connection id is 1 Server version: 5.5.30 (ProxySQL Admin Module) Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Explanation.

Servers 59

Servers Cache C++ Metrics 59

Percona

JUNE 15, 2023

Sometimes we might need to install/upgrade Percona Server for MySQL /MySQL 8 to a particular version in a test or production environment. Let’s start and test on Debian 11. bullseye [112 MB] …… (Reading database. deb (Reading database. Be sure to back up your database and my.cnf before you do that.

Servers 84

Servers C++ Database Systems 84

The Morning Paper

NOVEMBER 22, 2020

Is there anything more terrifying, and at the same time more useful, to a database vendor than Kyle Kingsbury’s Jepsen ? As the abstract to today’s paper choice wryly puts it, “ experience shows that many databases do not provide the isolation guarantees they claim.” Which means whole new levels of stress for systems under test.

Database 58

Database Processing Testing Website 58

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. This will help you increase system performance and avoid I/O environment errors.

Servers 40

Servers Cache Media Hardware 40

SQL Server According to Bob

JUNE 3, 2016

The following chart shows the same 1TB database testing. iID int NOT NULL IDENTITY(1,1) PRIMARY KEY CLUSTERED, strData nvarchar(2000) NOT NULL. ). insert into tblDBCC (strData) values ( replicate(N’X’, 2000) ). insert into tblDBCC (strData) values ( replicate(N’X’, 2000) ). set nocount on.

Hardware 40

Hardware Cache Servers Software Engineering 40

The Morning Paper

JULY 18, 2019

For example, a Google Bigtable database usually contains one Bloom Filter per SSTable file. We can think of the array of bits used by a Bloom filter to test for membership as its memory , and the hash functions used by a Bloom filter as a way of addressing that memory. Neural Bloom Filters.

Network 86

Network Java Database Hardware 86

CSS - Tricks

OCTOBER 16, 2019

I'd prefer that the images within content are stored as totally functional HTML in my database: <img src="/images/flower.jpg" alt="a blue flower"> It could be fancier than that, like using srcset (but probably not sizes as that will change as the design changes), or be contained within <picture> or <figure> elements.

Media 44

Media Servers Database Design 44

SQL Performance

AUGUST 2, 2019

I have been making the same recommendations about tempdb since I started working with SQL Server over 15 years ago, when I was working with customers running version 2000. is out , I thought it might be time to do a bit of testing myself. GO. /* Create tables to hold testing data */. Now that 2019 CTP 3.2 Customers c ON o.

Servers 95

Servers C++ Testing Systems 95

SQL Server According to Bob

DECEMBER 18, 2018

SQL Server relies on Forced-Unit-Access (Fua) I/O subsystem capabilities to provide data durability, detailed in the following documents: SQL Server 2000 I/O Basic and SQL Server I/O Basics, Chapter 2. Durability: “In database systems , durability is the ACID property which guarantees transactions that have committed will survive permanently.

Servers 90

Servers Media Cache Storage 90

Alex Russell

APRIL 29, 2021

Thanks to the Web Platform Tests project and wpt.fyi , we have the makings of an answer for the first: Tests that fail only in a given browser. wpt.fyi 's new Compat 2021 dashboard narrows this full range of tests to a subset chosen to represent the most painful compatibility bugs : Stable-channel Compat 2021 results over time.

Media 145

Media Games Education Engineering 145

Highly Scalable

MARCH 10, 2015

A/B testing and panel surveys are used in such cases to get additional data points that improve the precision of the model. A recommender system with multiple objectives was suggested in [JW10] and then developed and tested in practice at a large scale by LinkedIn [RP12]. the action is to introduce a completely new service).

Retail 152

Retail C++ Analytics Metrics 152