Percona

JULY 7, 2023

Unfortunately, using certain open source database software as part of an HA architecture can present significant challenges. HA in PostgreSQL databases delivers virtually continuous availability, fault tolerance, and disaster recovery. Without enough infrastructure (physical or virtualized servers, networking, etc.),

Availability 83

Availability Open Source Architecture Database 83

Adrian Cockcroft

JUNE 21, 2022

I became the Sun UK local specialist in performance and hardware, and as Sun transitioned from a desktop workstation company to sell high end multiprocessor servers I was helping customers find and fix scalability problems. We had specializations in hardware, operating systems, databases, graphics, etc.

Tuning 52

Tuning Benchmarking Engineering C++ 52

Percona

AUGUST 15, 2023

It’s a rather new plugin build for virtual synchronous replication. Below is an example architecture for Group Replication. wsrep patches / Galera Library This solution is virtually synchronous, which is comparable to Group Replication. Group Replication This new concept was introduced in the MySQL Community Edition 5.7

Servers 52

Servers Database Availability Traffic 52

Percona

APRIL 17, 2023

Operating System (OS) settings Swappiness Swappiness is a Linux kernel setting that influences the behavior of the Virtual Memory manager when it needs to allocate a swap, ranging from 0-100. The swap issue is explained in the excellent article by Jeremy Cole at the Swap Insanity and NUMA Architecture.

Best Practices 52

Best Practices Design Tuning Database 52

SQL Server According to Bob

JANUARY 11, 2020

This White Paper is for informational purposes only. Example 1: ​​ Hardware failure (CPU board) Battery backup on the caching controller maintained the data. Important Always consult with your hardware manufacturer for proper stable media strategies.

Servers 40

Servers Cache Media Hardware 40