Percona

MARCH 3, 2023

Check the database’s topology, whether one or more servers were replicating, if it was a Percona XtraDB Cluster , etc. The person who tried to run this in production did not do the following: Run some previous backups of the rows to delete. Check if the table had referential integrity, child tables. Check the size of the table.

Testing 96

Testing Database Servers Open Source 96

Percona

MARCH 27, 2023

On MySQL and Percona Server for MySQL , there is a schema called information_schema (I_S) which provides information about database tables, views, indexes, and more. You can read some optimization examples in the official doc: [link]. Results for Percona Server for MySQL 8.0 While you are on 5.7, Try Percona Distribution for MySQL today!

Cache 98

Cache Hardware Servers Benchmarking 98

Dynatrace

APRIL 21, 2022

Too much data requested from a database. With the reliability pillar of the Well-Architected Framework, organizations must ensure they build resilient and available applications. Figure 5 – Dynatrace measures over 2000 different metrics ready for use as dedicated SLIs. Missing caching layers.

Azure 182

Azure Monitoring Virtualization Metrics 182

Percona

DECEMBER 5, 2022

The need to audit who is using a database and their activities is crucial in many environments. This functionality is available in the free, open source Audit Plugin that is included in Percona Server for MySQL. The prerequisite for installing Percona’s Audit Log Plugin is to first install Percona Server for MySQL.

Open Source 66

Open Source C++ Servers Database 66

Percona

JUNE 15, 2023

The reason might be application requirements, compatibility issues, or MySQL bug fixes, or we want the same MySQL version to be installed on all database instances in the cluster, regardless of what actually is the latest version available. Check the available Percona Server for MySQL 8.0 deb (Reading database.

Servers 83

Servers C++ Database Systems 83

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

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? and ​​ 2000. KB boundary   12 Larger transaction logs   13 Restore and attach   14 Format for 4 ?KB

Servers 40

Servers Cache Database Media 40

Percona

DECEMBER 5, 2022

ProxySQL is a very useful tool for gaining high availability, load balancing, query routing, query caching, query rewriting, multiplexing, and data masking. Proxysql has a stats database which we can see with an admin login. This database contains metrics gathered by ProxySQL concerning its internal functioning. Explanation.

Servers 58

Servers Cache C++ Metrics 58

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 122

Traffic Scalability Database Servers 122

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. hammerdb>librarycheck Checking database library for Oracle Success. Database Configuration.

C++ 62

C++ Virtualization Database Benchmarking 62

HammerDB

OCTOBER 17, 2018

However most people use HammerDB with keying and thinking time disabled and therefore each virtual user can approximately drive the CPU resources of one CPU core on the database server. Note that if using CPUs with Hyper-Threading allow for additional CPU capacity, so size as if there were 35% more physical cores.

C++ 40

C++ Testing Virtualization Cache 40

SQL Performance

FEBRUARY 22, 2021

The official documentation for sys.sysprocesses warns: This SQL Server 2000 system table is included as a view for backward compatibility. But dbid is unreliable and marginally useful anyway, particularly for cross-database queries; there's much better info in sys.dm_tran_locks. Sure, sys.sysprocesses has dbid and waittime.

Latency 57

Latency Servers Monitoring Systems 57

The Morning Paper

JULY 18, 2019

For example, a Google Bigtable database usually contains one Bloom Filter per SSTable file. Under high query loads therefore, Neural Bloom Filters could potentially be deployed “ without a catastrophic decrease in throughput, if GPU devices are available ” (emphasis mine). Wrapping up. cient data-structures.

Network 86

Network Java Database Hardware 86

SQL Performance

OCTOBER 7, 2020

If you’re interested in table-valued function rewinds, please see my Q & A on Database Administrators Stack Exchange. The Sort operator’s rewind behaviour may seem strange, but it has been this way from (at least) SQL Server 2000 to SQL Server 2019 inclusive (as well as Azure SQL Database). Sort Rewinds.

Servers 106

Servers Cache Azure Performance 106

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

Alex Russell

APRIL 29, 2021

This post mines publicly available data on the pace of compatibility fixes and feature additions to assess the claim. The information it captures is, however, available going back somewhat further, providing a fuller picture of the trend lines of engine completeness. Count of APIs available from JavaScript by Web Confluence.

Media 145

Media Games Education Engineering 145

Testsigma

FEBRUARY 27, 2021

You also have a premium plan that users can subscribe to so that they can avail themselves of lucrative offers. You can perform Android integration testing for all your software modules for more than 1000+ Android devices that are available on-demand hosted on the cloud. On the home page, there is a signup and login button.

Testing 52

Testing Performance Testing Mobile Software 52

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

Testsigma

NOVEMBER 16, 2021

For example, being readily available has led to a two-fold increase in active users for Microsoft Teams in the past year. This is a pure example of being easily and readily available to everyone. If the application is not tested for such a scenario, whether it will be readily available to the users is just a guess. Reputation.

Testing 52

Testing Website Small Business Internet 52

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. ALTER DATABASE [ WideWorldImporters ] SET QUERY_STORE = ON ; GO. From the customer side, this has been the limit of what can be done*, until SQL Server 2019.

Servers 95

Servers C++ Testing Systems 95

The Netflix TechBlog

JULY 26, 2021

From the moment a Netflix film or series is pitched and long before it becomes available on Netflix, it goes through many phases. Data connectivity across Netflix Studio and availability of Operational Reporting tools also incentivizes studio users to avoid forming data silos. When an upstream schema evolves (e.g.

Big Data 253

Big Data Government Analytics Processing 253

Alex Russell

JUNE 20, 2020

built-in relational SQL database engines. This matters because it is the corpus of attractive content uniquely available through a meta-platform that convinces users to adopt its runtime, and no platform developer can afford to build enough content to be compelling on their own. high-color image raster. floppy/CD/DVD). printer support.

Hardware 55

Hardware Games Java Media 55

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. Webp is based on intra-frame coding from the VP8 video coding format. High-Efficiency Video Coding ( HEVC ) is the successor of H.264, 264, a.k.a.

Code 212

Code Metrics Efficiency Open Source 212

Highly Scalable

MARCH 10, 2015

This approach can be expressed in more formal way by the following equation: where is the data available for analysis, is the space of a retailer’s actions and decisions, is an econometric model defined as a function of actions and data, and is the optimal strategy. This framework resembles the approach suggested in [JK98].

Retail 152

Retail C++ Analytics Metrics 152