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OpenLampTech issue #52 – Substack Repost
Unbelievably, the OpenLampTech developer newsletter is one year old. Thank you so much for reading and making it possible! I appreciate each and every one of you. The Newsletter for PHP and MySQL...
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Enable innodb_print_all_deadlocks Parameter To Get All Deadlock Information...
At Percona Managed Services, sometimes clients’ applications face deadlock situations and need all historic deadlock information for application tuning. We could get the LATEST DETECTED DEADLOCK from...
View ArticleBad Optimizer Plan on Queries Combining WHERE, ORDER BY and LIMIT
Sometimes, the MySQL Optimizer chooses a wrong plan, and a query that should execute in less than 0.1 second ends-up running for 12 minutes ! This is not a new problem: bugs about this can be traced...
View ArticleSecured MySQL InnoDB Cluster with Certificate creation using OpenSSL
This is a demo tutorial to show how we can create InnoDB Cluster with newly installed Certificate and having X509 authentication via MySQL Router connection. Recorded VideoThe full process is...
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The OpenLampTech Developer Newsletter is One Year Old
The OpenLampTech developer newsletter is one year old! I honestly don’t know where the past year went. Obviously, I had my nose buried in some fantastic content since OpenLampTech publishes mostly...
View ArticleAlmaLinux MySQL+Perl
A quick primer on Perl programs connecting to the MySQL database. It’s another set of coding examples for the AlmaLinux instance that I’m building for students. This one demonstrates basic Perl...
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How To Get Your Backup to Half of Its Size – Introducing ZSTD Support in...
Having a backup of your database is like insurance, you have to pay a monthly price to ensure you have a service available when you need to. When talking about backups, the storage required to keep...
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MySQL Dual password how to manage them programmatically
What is dual password in MYSQL and how it works was already covered by my colleague Brian Sumpter here (https://www.percona.com/blog/using-mysql-8-dual-passwords/). However let me do a brief recap...
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Making Your MySQL Backup Process up to 17X Faster – Introducing Percona...
Taking a MySQL backup using Percona XtraBackup (PXB) consists of basically two steps: 1) take the backup and 2) prepare the backup. Briefly speaking, taking a backup means that PXB will copy all of the...
View ArticleAchieve Real-Time Marketing Analytics with MySQL HeatWave
Many companies and digital marketing agencies want to aggregate data from various sources in real-time to build rich, highly segmented customer profiles to send the right offer to the right prospect,...
View ArticleNew MySQL HeatWave capabilities released in 8.0.31
New MySQL HeatWave capabilities released in 8.0.31
View ArticleIntersect and Except in MySQL 8.0
With the latest MySQL release (8.0.31), MySQL adds support for the SQL standard INTERSECT and EXCEPT table operators.
View ArticleMySQL IOPS for Reads and Surprsies
When you think about IOPS, you probably think about writes because MySQL write I/O has a long tradition of optimization, benchmarking, new algorithms, new storage engines, and so forth. There’s no...
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Synopsis of Mydbops 17th edition of MyWebinar
We’re ecstatic and energised about the prospect of sowing seeds of knowledge in our opensource database community. Thank you to everyone who joined us for the 17th edition of MyWebinar. We hope that...
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AlmaLinux MySQL Workbench
AlmaLinux doesn’t natively support MySQL Workbench but these notes will help you install it. The great news is that MySQL Workbench works perfectly once you’ve installed all the dependent libraries....
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OpenLampTech issue #53 – Substack Repost
Now that OpenLampTech is one year old, I have a point to prove. That I can consistently provide the MySQL, PHP, and LAMP stack communities with a valuable newsletter publication. Challenge accepted....
View ArticleIntroducing VDiff V2
Vitess is a solution that allows you to infinitely scale MySQL while providing clients and apps with a single logical view of the fleet of MySQL instances comprising any number of Keyspaces and Shards....
View Article10 Useful mysqladmin Commands for Database Administration
In this blog post, we will show you ten useful mysqladmin commands for database administration. Mysqladmin is a client for ... Read more The post 10 Useful mysqladmin Commands for Database...
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MySQL Dual Passwords – How To Manage Them Programmatically
What is dual password in MYSQL and how it works was already covered by my colleague Brian Sumpter in Using MySQL 8 Dual Passwords. However, let me do a brief recap here about it. Dual password is the...
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