Percona Monitoring and Management 2 Docker Created Without pmm-data? No Problem!
Disclaimer: This blog post is about migrating Percona Monitoring and Management 2 (PMM) data between PMM2 versions, and not for migrating data from PMM1 to PMM2. Restoring data from PMM1 to PMM2 is NOT...
View ArticlePercona XtraBackup For All Versions of MySQL, Updated Percona Distribution of...
It’s release roundup time here at Percona! Our Release Roundups showcase the latest software updates, tools, and features to help you manage and deploy our software, with highlights and critical...
View ArticleIntroducing Percona Distribution for MySQL
Percona is pleased to announce the release of Percona Distribution for MySQL. Following our recent releases of Percona Distribution for MongoDB and Percona Distribution for PostgreSQL, we have...
View ArticlePercona Monthly Bug Report: June 2020
At Percona, we operate on the premise that full-transparency makes a product better. We strive to build not only the best open-source database products but also to help you manage any issues that arise...
View ArticleExtending Percona Monitoring and Management for MySQL InnoDB Cluster with...
A few days ago, a customer got in touch asking how they could use Percona Monitoring and Management (PMM) to monitor the roles played by each node in an InnoDB cluster. More specifically, they wanted...
View ArticleEvaluating MongoDB Under Python TPCC 1000W Workload
Following my blog post Evaluating the Python TPCC MongoDB Benchmark, I wanted to evaluate how MongoDB performs under workload with a bigger dataset. This time I will load a 1000 Warehouses dataset,...
View ArticleMySQL Table Fragmentation: Beware of Bulk INSERT with FAILURE or ROLLBACK
Usually, database people are familiar with table fragmentation with DELETE statements. Whenever doing a huge delete, in most cases, they are always rebuilding the table to reclaim the disk space. But,...
View ArticleMongoDB Checkpointing Woes
In my recent post Evaluating MongoDB Under Python TPCC 1000W Workload with MongoDB benchmarks, I showed an average throughput for a prolonged period of time (900sec or 1800sec), and the average...
View ArticleTop 7 Reasons Why Security Goes Wrong In A Database System
Today I’m going to talk about my favorite trope, “database security”. When done right, a good security policy not only protects your data but improves performance, system stability, and enhances the...
View ArticleWebinar July 9 – Modern Solutions for Modern Database Load: MySQL 8.0 and...
Join Sveta Smirnova, MySQL Engineer at Percona, as she discusses modern solutions for modern database loads. MySQL is famous for working well in high performing environments. This is the reason why it...
View ArticleMySQL 101: How to Find and Tune a Slow SQL Query
One of the most common support tickets we get at Percona is the infamous “database is running slower” ticket. While this can be caused by a multitude of factors, it is more often than not caused by a...
View ArticleAre You The Next Great Percona TAM?
In 2006, a small company formed in North Carolina, specializing in MySQL database consulting at a time when very few companies had fully embraced open source. This small company quickly grew, riding...
View ArticleSecurity Threat Tool Design in Percona Monitoring and Management
Security Threat Tool (STT) is the new Percona Monitoring and Management (PMM) feature. It provides the ability to run automated security checks across all of your databases and detect potential...
View ArticlePercona Server for MySQL Highlights – Extended Slow Query Logging
Last year, I made the first post in a small series, which aimed to highlight unique features of Percona Server for MySQL, by discussing binlog_space_limit option. Today, I am going to discuss another...
View ArticleMySQL 101: Parameters to Tune for MySQL Performance
While there is no magic bullet for MySQL tuning, there are a few areas that can be focused on upfront that can dramatically improve the performance of your MySQL installation. While much information...
View ArticleAnalyzing MySQL with strace
In this blog post, we will briefly explore the OS tool strace. It is not widely used due to its performance impacts, and we don’t recommend using it in production. Still, it is amazing at helping you...
View ArticleAchieving Consistent Read and High Availability with Percona XtraDB Cluster 8.0
In real life, there are frequent cases where getting a running application to work correctly is strongly dependent on consistent write/read operations. This is no issue when using a single data node as...
View ArticleWebinar July 14: How Percona Monitoring and Management Improves Database...
Data breaches seem to be a daily occurrence, so much so that seeing an article about the latest company to fall victim draws little attention outside of those immediately impacted. That is of course...
View ArticlePreventing MySQL Error 1040: Too Many Connections
One of the most common errors encountered in the MySQL world at large is the infamous Error 1040:ERROR 1040 (00000): Too many connectionsWhat this means in practical terms is that a MySQL instance has...
View ArticleProxySQL Behavior in the Percona Kubernetes Operator for Percona XtraDB Cluster
The Percona Kubernetes Operator for Percona XtraDB Cluster(PXC) comes with ProxySQL as part of the deal. And to be honest, the behavior of ProxySQL is pretty much the same as in a regular non-k8s...
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