Percona

APRIL 12, 2023

Let’s start with this: MongoDB is accurately referred to as source-available software. They came up with a horizontally scalable NoSQL database. Co-founder Eliot Horowitz recounts ( {coding}bootcamps.io ): “MongoDB was born out of our frustration using tabular databases in large, complex production deployments.

Open Source 83

Open Source Programming Database Servers 83

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. top(1) showed that only the Cassandra database was consuming CPU. Checking those available: $ cat /sys/devices/system/clocksource/clocksource0/available_clocksource. These can be invisible to top(8).

Speed 126

Speed Java AWS Virtualization 126

The Morning Paper

NOVEMBER 8, 2020

USENIX is a nonprofit organisation committed to making content and research freely available – both conference proceedings and the recorded presentations of their events. Back in 2017 the engineering team at Facebook had a problem. Without in-person conferences this year, income is down and events are under threat.

Virtualization 126

Virtualization Latency Storage Systems 126

Alex Russell

APRIL 29, 2021

This post mines publicly available data on the pace of compatibility fixes and feature additions to assess the claim. As an engineer on a browser team, I'm privy to the blow-by-blow of various performance projects, benchmark fire drills, and the ways performance marketing (deeply) impacts engineering priorities. Higher is better.

Media 145

Media Games Education Engineering 145

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. top(1) showed that only the Cassandra database was consuming CPU. I've shared many posts about superpower observability tools, but often humble hacking is just as effective. These can be invisible to top(8).

Speed 40

Speed Java AWS Virtualization 40

Percona

AUGUST 5, 2023

This blog was originally published in July 2017 and was updated in August 2023. Partitioning is a way in which a database (MySQL in this case) splits its actual data down into separate tables but still gets treated as a single table by the SQL layer. These benefits collectively contribute to a more efficient database environment.

Strategy 40

Strategy Storage Database Best Practices 40

Alex Russell

MARCH 6, 2021

TL;DR: A lot has changed since 2017 when we last estimated a global baseline resource per-page resource budget of 130-170KiB. To update our global baseline from 2017, we want to update our priors on a few dimensions: The evolved device landscape. Modern network performance and availability. The Moto G4 , for example. Hard Reset.

Performance 124

Performance Network Cache Metrics 124