Tag - pxc

Smart Update Strategy in Percona Kubernetes Operator for Percona XtraDB Cluster

smart update strategy percona kubernetes opeerator

In Percona Kubernetes Operator for Percona XtraDB Cluster (PXC) versions prior to 1.5.0, there were two methods for upgrading PXC clusters, and both of these use built-in StatefulSet update strategies. The first one is manual (OnDelete update strategy) and the second one is semi-automatic (RollingUpdate strategy). Since the Kubernetes operator is about automating the […]

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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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MySQL Group Replication – Partial Network Failure Performance Impact

mysql group replication

In this two-part blog series, I wanted to cover some failover scenarios with Group Replication. In part one, I will discuss an interesting behavior and performance degradation I discovered while writing these posts. In part two, I will show several failover scenarios and demonstrate how Group Replication handles each situation.
The test environment is very […]

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Help Drive the Future of Percona XtraDB Cluster

Percona XtraDB Cluster

Percona is happy to announce the experimental release of Percona XtraDB Cluster 8.0. This is a major step for tuning Percona XtraDB Cluster to be more cloud- and user-friendly. This is the second experimental release that combines the updated and feature-rich Galera 4, with substantial improvements made by our development team.
Improvements and New Features […]

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Deploying the Percona Kubernetes Operator for XtraDB Cluster in Amazon (AWS)

Percona Kubernetes Operator for Percona XtraDB Cluster in AWS

Being that Amazon is one of the most-used cloud vendors, it is only natural that one may ask “How can Kubernetes be used in AWS?“. And the answer is – not that different than with other cloud vendors. What one needs is two things (and this applies universally): a Kubernetes cluster + the Percona […]

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