Tag - Percona XtraDB Cluster

Wondering How to Run Percona XtraDB Cluster on Kubernetes? Try Our Operator!

Run Percona XtraDB Cluster on Kubernetes

Kubernetes has been a big trend for a while now, particularly well-suited for microservices. Running your main databases on Kubernetes is probably NOT what you are looking for. However, there’s a niche market for them. My colleague Stephen Thorn did a great job explaining this in The Criticality of a Kubernetes Operator for Databases. […]

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CVE-2020-15180 – Affects Percona XtraDB Cluster

CVE-2020-15180

Galera replication technology, a key component of Percona XtraDB Cluster, suffered from a remote code execution vulnerability. Percona has been working with the vendor since early September on this issue and has made releases available to address the problem.
Applicability
A malicious party with access to the WSREP service port (4567/TCP) as well as prerequisite knowledge […]

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The Criticality of a Kubernetes Operator for Databases

Importance of Kubernetes Operators for Databases

As a Solutions Engineer at Percona, one of my responsibilities is to support our customers as they investigate new and emerging technologies. This affords me the opportunity to speak to many current and new customers who partner with Percona. The topic of Kubernetes is becoming more popular as companies are investigating and adopting this […]

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Various Ways to Perform Schema Upgrades with Percona XtraDB Cluster

Perform Schema Upgrades with Percona XtraDB Cluster

Schema changes are the big challenges in Galera replication. So, it is recommended to understand the schema changes operation for everyone who uses the Percona XtraDB Cluster (PXB)/Galera clusters. In this blog, I am going to explain the operation and impact of the various schema changes methods used in the PXB/Galera cluster.

Schema changes with […]

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Replication Between Two Percona XtraDB Clusters, GTIDs and Schema Changes

Replication Between Two Percona XtraDB Clusters

I got this question on the “How to Avoid Pitfalls in Schema Upgrade with Percona XtraDB Cluster (PXC)” webinar and wanted to answer it in a separate post.
Will RSU have an effect on GTID consistency if replication PXC cluster to another cluster?
Answer for this: yes and no.
Galera assigns its own GTID for the operations, […]

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