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MariaDB 10.2.5 RC now available

The MariaDB project is pleased to announce the immediate availability of MariaDB 10.2.5 Release Candidate (RC). See the release notes and changelog for details. Download MariaDB 10.2.5 Release Notes Changelog What is MariaDB 10.2? MariaDB APT and YUM Repository Configuration Generator Thanks, and enjoy MariaDB!

The post MariaDB 10.2.5 RC now available appeared first on MariaDB.org.

Evaluation of PMP Profiling Tools

In this blog post, we’ll look at some of the available PMP profiling tools.

While debugging or analyzing issues with Percona Server for MySQL, we often need a quick understanding of what’s happening on the server. Percona experts frequently use the pt-pmp tool from Percona Toolkit (inspired by http://poormansprofiler.org).

The

pt-pmp

 tool collects application stack traces GDB and then post-processes them. From this you get a condensed, ordered list of the stack traces. The list helps you understand where the application spent most of the time: either running something or waiting for something.

Getting a profile with

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What engineering roles are most in demand at startups?

via GIPHY I was just reading over StackOverflow’s 2017 Developer survey. As it turns out there were some surprising findings. Join 33,000 others and follow Sean Hull on twitter @hullsean. One that stood out was databases. In the media, one hears more and more about NoSQL databases like Cassandra, Dynamo & Firebase. Despite all that … Continue reading What engineering roles are most in demand at startups? →

Percona Server for MySQL 5.7.17-13 is Now Available

Percona announces the GA release of Percona Server for MySQL 5.7.17-13 on April 5, 2017. Download the latest version from the Percona web site or the Percona Software Repositories. You can also run Docker containers from the images in the Docker Hub repository.

Based on MySQL 5.7.17, including all the bug fixes in it, Percona Server for MySQL 5.7.17-13 is the current GA release in the Percona Server for MySQL 5.7 series. Percona’s …

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MySQL High Availability tools - Comparing MHA, MRM and ClusterControl

We previously compared two high availability solutions for MySQL - MHA and MariaDB Replication Manager and looked into how they performed fail-over. In this blog post, we’ll see how ClusterControl stacks up against these solutions. Since MariaDB Replication Manager is under active development, we decided to take a look at the not yet released version 1.1.

Flapping Related resources  MySQL Replication failover: MaxScale vs MHA (part 1)  MySQL Replication failover: MaxScale vs MHA (part 2)  MySQL …

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Caching your application data with MySQL and TokuDB @ Percona Live 2017

The great Percona Live 2017 database conference is approaching, and I am very excited to be there this year - not only as an attendee, but also as a speaker!!
By the way, this will be my first public talk so please bear with me if I'll be a bit nervous :-)

If you are attending, come see me and my colleague Andrea speaking about how we leverage the TokuDB engine to cache our application data using MySQL! We will show you some interesting benchmarks, and will describe our design, setup, and configuration in detail.

See you there!!

Network attacks on MySQL, Part 5: Attack on SHA256 based passwords

The mysql_sha256_password doesn't use the nonce system which is used for mysql_new_password, but instead forces the use of RSA or SSL.

This is how that works:

  1. The client connects
  2. The server changes authentication to sha256 password (or default?)
  3. The server sends the RSA public key.
  4. The client encrypts the password with the RSA public key and sends it to the server.
  5. The server decrypts the password with the private key and validates it.

The problem is that the client trusts public key of the server. It is possible to use --server-public-key-path=file_name. But then you need to take care of secure public key distribution yourself.

So if we put a proxy between the client and the …

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Percona Live Featured Session: Using SelectStar to Monitor and Tune Your Databases

Welcome to another post in the series of Percona Live featured session blogs! In these blogs, we’ll highlight some of the session speakers that will be at this year’s Percona Live conference. We’ll also discuss how these sessions can help you improve your database environment. Make sure to read to the end to get a special Percona Live 2017 registration bonus!

In this Percona Live featured session, we’ll meet the folks at SelectStar, a database monitoring and management tool company. SelectStar will be a sponsor at Percona Live this year.

I recently came across the SelectStar database monitoring product. There are a number of monitoring products on the market (with the evolution of various SaaS and …

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lefred.be is part of the TOP 10 MySQL Blogs

Wooohoooo ! After less than one year of dedicating my blog to MySQL, lefred.be is part of the top 10 MySQL blogs !

I’m well surrounded in the ranking by my colleagues Dave and Øystein.

Thank you to all followers

Busy April 2017: MariaDB Dev Meeting (no-slave-left-behind, MyRocks, ...) and Percona Live

In a few days, I will start my yearly travel to North America which will bring me at Percona Live at the end of the month.  But I will first stop in New York to attend the MariaDB Developer Meeting.  Let's see what will happen there.

Percona Live

Booking.com is sponsoring the conference, and we will be present at the Monday Evening Reception.  You do not need a tutorial pass to attend: any