Brendan Gregg

SEPTEMBER 25, 2021

CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. Was there some other program consuming CPU, like a misbehaving Ubuntu service that wasn't in CentOS? Note that Ubuntu also has a frame to show entry into vDSO (virtual dynamic shared object). include <sys/time.h>

Speed 126

Speed Java AWS Virtualization 126

SQL Performance

APRIL 8, 2019

Back on December 5, 2017, Microsoft announced that they were using AMD EPYC 7551 processors in their storage-optimized Lv2-Series virtual machines. I wrote about using CPU-Z to benchmark the Intel Xeon E5-2673 v3 processor in an Azure VM in this article. Figure 1: CPU-Z Benchmark Results for LS16v2. 10 x 1.9TB NVMe SSD.

Azure 42

Azure Virtualization Storage Benchmarking 42

Percona

APRIL 12, 2023

2017: MongoDB goes public, trading as MDB. Though still not “profitable” by many benchmarks, it’s a lot closer to being so, perhaps in a big way.) MongoDB is a non-relational (NoSQL), document-based database program that is commonly referred to as source-available. Is MongoDB an open source NoSQL database?

Open Source 86

Open Source Programming Database Servers 86

Brendan Gregg

SEPTEMBER 25, 2021

CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. Was there some other program consuming CPU, like a misbehaving Ubuntu service that wasn't in CentOS? Note that Ubuntu also has a frame to show entry into vDSO (virtual dynamic shared object). include <sys/time.h>

Speed 40

Speed Java AWS Virtualization 40

Alex Russell

APRIL 29, 2021

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. With each team, benchmarks lost are understood as bugs. WebGL 2 launched for other platforms on Chrome and Firefox in 2017.

Media 145

Media Games Education Engineering 145