Percona

MARCH 28, 2023

In this blog post, we will dive deep into WiredTiger’s Logging and Checkpoint mechanism. ” This acts as a step to ensure durability by recovering lost data from the same journal files in case of crashes, power, and hardware failures between the checkpoints (see below) Here’s what the process looks like.

Hardware 87

Hardware C++ Storage Cache 87

Brendan Gregg

JULY 4, 2021

AWS Graviton2); for memory with the arrival of DDR5 and High Bandwidth Memory (HBM) on-processor; for storage including new uses for 3D Xpoint as a 3D NAND accelerator; for networking with the rise of QUIC and eXpress Data Path (XDP); and so on. I also wrote about these topics in detail for my recent [Systems Performance 2nd Edition] book.

Performance 140

Performance Latency Hardware Storage 140

Percona

AUGUST 18, 2023

This blog describes how to configure systemd for multiple instances of MySQL. The original motivation for FB was due to different hardware generations, especially between regions/data centers. err 2023-07-10T05:26:42.521994Z 0 [System] [MY-010910] [Server] /usr/bin/mysqld: Shutdown complete (mysqld 8.0.19-10) 10-Linux.x86_64.ssl101.tar.gz

Programming 84

Programming Servers Database Hardware 84

Percona

AUGUST 29, 2023

Among its many capabilities, a Citus cluster can: Create distributed tables that are sharded across a cluster of PostgreSQL nodes to combine their CPU, memory, storage, and I/O capacity. Columnar storage of tables can compress data, speeding up scans and supporting fast projections, both on regular and distributed tables.

C++ 79

C++ Database Storage Testing 79

Percona

NOVEMBER 1, 2023

This blog was originally published in January 2021 and updated in November of 2023. In this blog, we will review all of the potential MySQL backup and restore strategies, the cornerstones of any application. Encryption Backups have sensitive data, so it’s highly recommended to encrypt, especially for offsite storage.

Best Practices 79

Best Practices Storage Strategy Database 79

Brendan Gregg

JULY 4, 2021

AWS Graviton2); for memory with the arrival of DDR5 and High Bandwidth Memory (HBM) on-processor; for storage including new uses for 3D Xpoint as a 3D NAND accelerator; for networking with the rise of QUIC and eXpress Data Path (XDP); and so on. I also wrote about these topics in detail for my recent [Systems Performance 2nd Edition] book.

Performance 52

Performance Latency Hardware Storage 52

Percona

JULY 1, 2023

This post was originally published in July 2018 and was updated in July 2023. In this blog, we will answer all of these important questions and provide a general overview comparing the two database services, Aurora vs RDS. What are the differences between Aurora and RDS? How do I choose which one to use?

AWS 52

AWS Database Serverless Storage 52