Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. Colleagues/Internet I love using Linux performance tools. But I also love solving issues quickly, and sometimes that means just asking colleagues or searching the Internet. Running this on the two systems saw similar results.

Speed 52

Speed Java AWS Virtualization 52

Alex Russell

JANUARY 30, 2024

Many critiques are possible, both of the target (five seconds for first load), the sample population (worldwide internet users), and of the methodology (informed reckons). Emerging markets with high mobile internet use and dense populations can feature poor fixed-line broadband penetration compared with Western markets. In the U.S.,

Performance 98

Performance Network Mobile Speed 98

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. Colleagues/Internet I love using [Linux performance tools]. But I also love solving issues quickly, and sometimes that means just asking colleagues or searching the Internet. include <sys/time.h>

Speed 40

Speed Java AWS Virtualization 40

VoltDB

JUNE 1, 2017

In addition, such custom systems could only be benchmarked once they were deployed, so by the time multiple layers of management had each added a 50% safety margin to the initial SWAG , it was not unusual to see them running at 10% of capacity (but 150% of the lucky hardware salesman’s annual quota).

Hardware 40

Hardware Latency Virtualization Cloud 40

IO River

NOVEMBER 15, 2023

Each is crucial, and they all feed into each other to create a robust, responsive, and resilient security mechanism.Research‍In the dynamic world of the Internet, new threats are as constant as the rising sun. Benchmarks should be established to measure the latency introduced by the WAF, ensuring it stays within acceptable limits.‍Conclusion‍In

Traffic 52

Traffic Network Logistics Architecture 52

IO River

NOVEMBER 2, 2023

Each is crucial, and they all feed into each other to create a robust, responsive, and resilient security mechanism.Research‍In the dynamic world of the Internet, new threats are as constant as the rising sun. Let's break down this Security Flywheel into its core components: ‍Research, Close Breaches, and Test.

Traffic 40

Traffic Network Logistics Architecture 40

Smashing Magazine

JANUARY 6, 2020

Estimated Input Latency tells us if we are hitting that threshold, and ideally, it should be below 50ms. Designed for the modern web, it responds to actual congestion, rather than packet loss like TCP does, it is significantly faster , with higher throughput and lower latency — and the algorithm works differently.

Performance 112

Performance Cache Network Servers 112

Smashing Magazine

JANUARY 11, 2021

Estimated Input Latency tells us if we are hitting that threshold, and ideally, it should be below 50ms. Designed for the modern web, it responds to actual congestion, rather than packet loss like TCP does, it is significantly faster , with higher throughput and lower latency — and the algorithm works differently.

Performance 145

Performance Cache Metrics Media 145