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PXC

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Cloud Native Technology Community
Cloud Native Technology Community
Sep 2, 2022 · Databases

MySQL High Availability – Percona XtraDB Cluster (Installation and Features)

This article explains the features, advantages, drawbacks, and step‑by‑step installation process of a MySQL high‑availability Percona XtraDB Cluster (PXC), covering configuration, firewall settings, SELinux disabling, node initialization, clustering parameters, and verification commands.

DatabaseHigh AvailabilityInstallation
0 likes · 8 min read
MySQL High Availability – Percona XtraDB Cluster (Installation and Features)
Qunar Tech Salon
Qunar Tech Salon
Oct 28, 2021 · Databases

Analysis of a Percona XtraDB Cluster (PXC) Flow‑Control Incident Triggered by Disk I/O and Large TEXT Fields

This article examines a real‑world Percona XtraDB Cluster (PXC) fault where simultaneous write‑node connection spikes were caused by flow‑control triggered by 100% disk I/O on a shared read node, ultimately traced to slow sorting queries involving a mediumtext column, and offers diagnostic steps and mitigation strategies.

Database PerformanceFlow ControlGalera
0 likes · 11 min read
Analysis of a Percona XtraDB Cluster (PXC) Flow‑Control Incident Triggered by Disk I/O and Large TEXT Fields
Architecture Digest
Architecture Digest
Sep 1, 2021 · Databases

Deploying a Percona XtraDB Cluster (PXC) with Docker and HAProxy Load Balancing

This guide explains how to set up a Percona XtraDB Cluster (PXC) using Docker containers, configure five-node replication with strong consistency, and implement HAProxy as a TCP load balancer to achieve high availability and balanced read/write traffic across the cluster.

DockerMySQLPXC
0 likes · 13 min read
Deploying a Percona XtraDB Cluster (PXC) with Docker and HAProxy Load Balancing
Qunar Tech Salon
Qunar Tech Salon
Dec 15, 2020 · Databases

Database Migration and Architecture Upgrade at Qunar: From MMM to PXC

This article analyzes common database migration strategies, compares two approaches—master‑slave cut‑over and proxy‑based migration—describes Qunar's internal MMM and Percona XtraDB Cluster (PXC) architectures, and details a step‑by‑step, zero‑downtime migration process from MMM to PXC with practical lessons and best practices.

High AvailabilityMMMMySQL
0 likes · 15 min read
Database Migration and Architecture Upgrade at Qunar: From MMM to PXC