The latest from the MySQL community

Dear MySQL users,

MySQL Connector/Python 8.0.18 is the latest GA release version of the
MySQL Connector Python 8.0 series. The X DevAPI enables application
developers to write code that combines the strengths of the relational
and document models using a modern, NoSQL-like syntax that does not
assume previous experience writing traditional SQL.

To learn more about how to write applications using the X DevAPI, see

http://dev.mysql.com/doc/x-devapi-userguide/en/

For more information about how the X DevAPI is implemented in MySQL
Connector/Python, and its usage, see

http://dev.mysql.com/doc/dev/connector-python

Please note that the X DevAPI requires at least MySQL Server …

Backups are a very important part of your database operations, as your business must be secured when catastrophe strikes. When that time comes (and it will), your Recovery Point Objective (RPO) and Recovery Time Objective (RTO) should be predefined, as this is how fast you can recover from the incident which occurred. 

Most organizations vary their approach to backups, trying to have a combination of server image backups (snapshots), logical and physical backups. These backups are then stored in multiple locations, so as to avoid any local or regional disasters.  It also means that the data can be restored in the shortest amount of time, avoiding major downtime which can impact your company's business. 

Hosting your database with a cloud provider, such as Microsoft Azure (which we will discuss in this blog), is not an exception, you still need to prepare …

With growing development and support costs as well as the need to maintain a sustainable business, it became apparent that maintaining the OSS release of Tungsten Replicator (TR) just wasn’t viable. Earlier this year we decided to close it down, instead focusing our efforts on improving and developing its commercial release whilst also growing our flagship commercial product, Tungsten Clustering.

For many businesses, Open Source Software (OSS) is still a very viable solution in many use cases, and I’m sure it will continue to be so for a long time, but I wanted to explore whether an OSS solution really is as free as the $0 price tag suggests.  In this blog I explore just that..

The hidden costs of OSS

Over the last few weeks I stumbled …

Dear MySQL users,

MySQL Shell 8.0.18 is a maintenance release of MySQL Shell 8.0 Series (a
component of the MySQL Server). The MySQL Shell is provided under
Oracle’s dual-license.

MySQL Shell 8.0 is highly recommended for use with MySQL Server 8.0 and
5.7. Please upgrade to MySQL Shell 8.0.18.

MySQL Shell is an interactive JavaScript, Python and SQL console
interface, supporting development and administration for the MySQL
Server. It provides APIs implemented in JavaScript and Python that
enable you to work with MySQL InnoDB cluster and use MySQL as a document
store.

The AdminAPI enables you to work with MySQL InnoDB cluster, providing an
integrated solution for high availability and scalability using InnoDB
based MySQL databases, without requiring advanced MySQL expertise. For
more information about how to …

In this tutorial, we will show you how to install LAMP Stack on a Debian 9 VPS. A LAMP (Linux, ...

Read More

The post How to Install LAMP (Linux, Apache, MySQL, PHP) on Debian 9 appeared first on RoseHosting.

As presented at the Percona Live Conference in Austin in May, at Alibaba we are working on adding support for parallel query execution to POLARDB for MySQL. As discussed in the presentation, we observe that parallel range scans on secondary indexes does not scale very well in MySQL. This is old news. Mark Callaghan reported this several years ago, and this does not seem to have changed. In this blog post, I will investigate what effects using a multi-processor machine have on the scalability of parallel index range scans.

I will run a variant of Query 6 of the TPC-H/ …

MySQL InnoDB Cluster is the most easy and integrated High Availability solution for MySQL.

The solution is composed of:

• MySQL Server
• MySQL Group Replication Plugin
• MySQL Clone Plugin
• MySQL Router
• MySQL Shell

All those components are developed and tested together to provide the easiest and best experience to the MySQL users.

As the MySQL Router is a TCP Level 4 router (like HA Proxy), some users requiring a more “intelligent” proxy having other extra features like caching, read/write splitting in relation with the user or SQL, firewall, … may be interested in using ProxySQL… and this is a good choice !

ProxySQL / MySQL Router in OSI Model

However, even is ProxySQL supports MysQL Group Replication, for …

MySQL InnoDB Cluster is easy to configure and deploy.  This article is written to provide 3 group replication parameter settings which may contribute to the stability and reliability of the Network in MySQL InnoDB Cluster.




With MySQL 8.0, there are at least 3 most important parameters in Network Reliability Settings.


1. group_replication_member_expel_timeout
2. group_replication_autorejoin_tries 3. …

Business-Critical MySQL using open source is free, right?

Managed MySQL cloud services do not need database administrators, correct?

Well…

Think again – and watch the replay of this webinar with our partner Datavail hosted by Database Trends & Applications on whether free is good enough for business-critical MySQL database environments.

Listen in as Srinivasa Krishna, MySQL Practice Leader at Datavail, and Eero Teerikorpi, CEO & Founder at Continuent discuss the pros and cons of the DIY approach vs getting professional help in.

…

In the previous blog in the series we discussed the pros and cons of using Galera Cluster to create geo-distributed cluster. In this post we will design a Galera-based geo-distributed cluster and we will show how you can deploy all the required pieces using ClusterControl.

Designing a Geo-Distributed Galera Cluster

We will start with explaining the environment we want to build. We will use three remote data centers, connected via Wide Area Network (WAN). Each datacenter will receive writes from local application servers. Reads will also be only local. This is …