We are pleased to announce the launch of PMM 2.0.0-alpha2, Percona’s second Alpha release of our long-awaited PMM 2 project! In this release, you’ll find support for MongoDB Metrics and Query Analytics – watch for sharp edges as we expect to find a lot of bugs!  We’ve also expanded our existing support of MySQL from our first Alpha to now include MySQL Slow Log as a data source for Query Analytics, which enhances the Query Detail section to include richer query metadata.

• MongoDB Metrics – You can now launch PMM 2 against MongoDB and gather metrics and query data!
• MongoDB Query Analytics – Data source from MongoDB Profiler is here!
• MySQL Query Analytics
  • Queries source – MySQL Slow Log is here!
  • Sorting and more …

This is a 3 part blog series:

• Part 1: The SYSTEM_USER Dynamic Privilege
• Part 2 : Partial Revokes from Database Objects
• Part 3 : How to create multiple accounts for an app?

To modify users, you must have the CREATE USER privilege or the UPDATE privilege on the mysql schema.…

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War story of the day: do not use — or be very careful when using — the max_connections beta database flag on CloudSQL... because it has many bugs.

I was hit by this today: we set the max_connections flag to 8000 on a primary server a few days ago, we had a failover last night, and the flag was not set on the replica (bug #1).

Update 2019-05-03: there is another bug (bug #1.5).  If you set the

As of 8.0.16, the mysql_upgrade binary is deprecated, but its functionality is moved into the server. Let’s call this functionality the “server upgrade”. This is added alongside the Data Dictionary upgrade (DD Upgrade), which is a process to update the data dictionary table definitions.…

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In this tutorial, we'll learn how to use React to build login, signup and logout system and Axios to send API calls and handle JWT tokens.

For building the PHP application that implements the JWT-protected REST API, check out PHP JWT Authentication Tutorial.

We'll be using the same application built in the previous tutorial as the backend for our React application we'll be building in this tutorial.

Prerequisites

You will need to have the following prerequisites to follow this tutorial step by step:

Knowledge of JavaScript, Knowledge of React, Knowledge of PHP, PHP, Composer and MySQL installed on your development machine, Node.js and NPM installed on your system.

That's it. Let's get started!

Cloning the PHP JWT App

Our example application implements JWT Authentication. It exposes three endpoints

api/login.php api/register.php api/protected.php

How to …

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In my blog yesterday, I wrote about the new reporting framework in MySQL Shell. It is part of the 8.0.16 release. I also noted that it includes the possibility to create your own custom reports and use those with the \show and \watch commands. This blog will explore how you can create a report and register it, so it automatically is available when you start MySQL Shell.

Update

This blog was updated on 30 April to include the use of the values argument for report options. This moved the validation of the optional arguments in to the reporting framework and automatically includes the list of valid options …

Dear MySQL users,

MySQL Shell 8.0.16 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 8.0.16.

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 configure and work with …

MySQL master-slave replication is pretty easy and straightforward to set up. This is the main reason why people choose this technology as the first step to achieve better database availability. However, it comes at the price of complexity in management and maintenance; it is up to the admin to maintain the data integrity, especially during failover, failback, maintenance, upgrade and so on.

There are many articles out there describing on how to perform failover operation for replication setup. We have also covered this topic in this blog post, Introduction to Failover for MySQL Replication - the 101 Blog. In this blog post, we are going to cover the post-disaster tasks when restoring to the original topology - …

We are pleased to announce the launch of PMM 2.0.0-alpha1, Percona’s first Alpha release of our long-awaited PMM 2 project! We focused exclusively on MySQL support in our first Alpha (because we wanted to show progress sooner rather than later), and you’ll find updated MySQL dashboards along with enhancements to Query Analytics. We’ve also added better visibility regarding which services are registered with PMM Server, the client-side addition of a new agent called pmm-agent, and finally PMM Server is now exposing an API!

• Query Analytics
  • Support for large environments – default view all queries from all instances
  • Filtering – display only the results matching filters – MySQL schema name, MySQL server instance
  • Sorting and more columns – now sort by any …

Kubernetes Operators are amazing and they are already playing an important role for those who are managing large scale applications. I personally think that we will manage all applications using Operators.

In this tutorial I will show you how to setup a MySQL cluster using the MySQL Operator on Kubernetes.

Prerequisites:

1. Install kubectl
2. Install Helm
3. Kubernetes Cluster: Use minikube locally or check out Luca’s post on how to set up OKE.

Let’s start with cloning the MySQL repository which contains the …