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. Colleagues/Internet I love using [Linux performance tools]. I also shared setting the clocksource in my talks and in my 2015 [Linux tunables] post.

Speed 126

Speed Java AWS Virtualization 126

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. Colleagues/Internet I love using Linux performance tools. I also shared setting the clocksource in my talks and in my 2015 Linux tunables post.

Speed 52

Speed Java AWS Virtualization 52

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. Colleagues/Internet I love using [Linux performance tools]. I also shared setting the clocksource in my talks and in my 2015 [Linux tunables] post.

Speed 40

Speed Java AWS Virtualization 40

Smashing Magazine

JANUARY 6, 2020

In real-life world, most products aren’t even close: an median bundle size today is around 417KB , which is up 42% compared to early 2015. Geekbench CPU performance benchmarks for the highest selling smartphones globally in 2019. Decent , with Chrome, Firefox, Edge and Samsung Internet being on board. Assets Optimizations.

Performance 145

Performance Cache Network Metrics 145