Scalegrid

MARCH 28, 2024

In this comparison of Redis vs Memcached, we strip away the complexity, focusing on each in-memory data store’s performance, scalability, and unique features. Introduction Caching serves a dual purpose in web development – speeding up client requests and reducing server load.

Cache 130

Cache Storage Scalability Architecture 130

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. Measuring the speed of time Is there already a microbenchmark for os::javaTimeMillis()? As I'm interested in the relative comparison I can just compare the total runtimes (the "real" time) for the same result. us on Ubuntu.

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%. Measuring the speed of time Is there already a microbenchmark for os::javaTimeMillis()? As I'm interested in the relative comparison I can just compare the total runtimes (the "real" time) for the same result.

Speed 52

Speed Java AWS Virtualization 52

Particular Software

SEPTEMBER 20, 2021

Sometimes developers only care about speed. Some will claim that any type of RPC communication ends up being faster (meaning it has lower latency) than any equivalent invocation using asynchronous messaging. It’s less of an apples-to-oranges comparison and more like apples-to-orange-sherbet. But the answer isn’t that simple.

Benchmarking 97

Benchmarking Latency Servers Systems 97

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. Measuring the speed of time Is there already a microbenchmark for os::javaTimeMillis()? As I'm interested in the relative comparison I can just compare the total runtimes (the "real" time) for the same result. us on Ubuntu.

Speed 40

Speed Java AWS Virtualization 40

Adrian Cockcroft

JANUARY 20, 2023

Here’s some predictions I’m making: Jack Dongarra’s efforts to highlight the low efficiency of the HPCG benchmark as an issue will influence the next generation of supercomputer architectures to optimize for sparse matrix computations. In comparison, for Linpack Frontier operates at 68% of peak capacity. petaflops, which is 0.8%

Architecture 52

Architecture Latency Benchmarking AWS 52

Alex Russell

MAY 9, 2022

This is a complex topic, but to borrow from a recent post , web performance expands access to information and services by reducing latency and variance across interactions in a session, with a particular focus on the tail of the distribution (P75+). Consistent performance matters just as much as low average latency.

Performance 86

Performance Latency Metrics Engineering 86