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November 30, 2020
Support for Percona XtraDB Cluster in ProxySQL (Part Two)
How scheduler and script stand in supporting failover (Percona and Marco example) In part one of this series, I had [...]
November 30, 2020
Support for Percona XtraDB Cluster in ProxySQL (Part One)
How native ProxySQL stands in failover support (both v2.0.15 and v2.1.0) In recent times I have been designing several solutions [...]
November 23, 2020
Uncommon Sense MySQL – When EXPLAIN Can Trash Your Database
If I ask you if running EXPLAIN on the query can change your database, you will probably tell me NO; [...]
November 23, 2020
Recover Percona XtraDB Cluster in Kubernetes From Wrong MySQL Config
Kubernetes operators are meant to simplify the deployment and management of applications. Our Percona Kubernetes Operator for Percona XtraDB Cluster [...]
November 17, 2020
Wondering How to Run Percona XtraDB Cluster on Kubernetes? Try Our Operator!
Kubernetes has been a big trend for a while now, particularly well-suited for microservices. Running your main databases on Kubernetes [...]
November 13, 2020
Kubernetes Scaling Capabilities with Percona XtraDB Cluster
Our recent survey showed that many organizations saw unexpected growth around cloud and data. Unexpected bills can become a big [...]
November 9, 2020
Deep Dive Into PostgreSQL Indexes – Free Course at Percona University Online
Percona University Online has released its second free course, “A Deep Dive Into PostgreSQL Indexes” by Ibrar Ahmed, Senior Software [...]
November 6, 2020
Various Backup Compression Methods Using Mysqlpump
Mysqlpump is a client program that was released with MySQL 5.7.8 and is used to perform logical backups in a [...]
November 5, 2020
ChaosMesh to Create Chaos in Kubernetes
In my talk on Percona Live (download the presentation), I spoke about how we can use Percona Kubernetes Operators to [...]
November 5, 2020
Deploying Percona Monitoring and Management 2 Without Access to the Internet
Normally it is quite easy to deploy Percona Monitoring and Management (PMM) Server as a Docker container as per the [...]
November 4, 2020
Running Percona Kubernetes Operator for Percona XtraDB Cluster with Kata Containers
Kata containers are containers that use hardware virtualization technologies for workload isolation almost without performance penalties. Top use cases are [...]
November 3, 2020
Adjusting MySQL 8.0 Memory Parameters
So you’ve just added some more memory to your MySQL server; now what? If you’ve been around the MySQL block [...]
November 2, 2020
Understanding MySQL Memory Usage with Performance Schema
Understanding how MySQL uses memory is key to tuning it for optimal performance as well as troubleshooting cases of unexpected [...]
October 30, 2020
CVE-2020-15180 – Affects Percona XtraDB Cluster
Galera replication technology, a key component of Percona XtraDB Cluster, suffered from a remote code execution vulnerability. Percona has been [...]
October 28, 2020
Say Hello to Libcoredumper – A New Way to Generate Core Dumps, and Other Improvements
In a perfect world, we expect all software to run flawlessly and never have problems such as bugs and crashes. [...]
October 27, 2020
Using MySQL 8 Persisted System Variables
This blog discusses new features about the persisted system variables and how we can use it to make variable changes [...]
October 27, 2020
A First Glance at Amazon Aurora Serverless RDS
If you often deploy services in the cloud, you certainly, at least once, forgot to stop a test instance. I [...]
October 26, 2020
MySQL 8.0.22: Asynchronous Replication Automatic Connection (IO Thread) Failover
MySQL 8.0.22 was released on Oct 19, 2020, and came with nice features and a lot of bug fixes. Now, [...]
October 23, 2020
MySQL New Releases and Percona XtraBackup Incompatibilities
Earlier this week, Oracle released their Q4 releases series. As on the previous releases, backward compatibility has been broken with [...]
October 23, 2020
CVE-2020-26542: SimpleLDAP Authentication in Percona Server for MySQL, Percona Server for MongoDB
CVE-2020-26542 When using the SimpleLDAP authentication in conjunction with Microsoft’s Active Directory, Percona has discovered a flaw that would allow [...]