Brendan Gregg

SEPTEMBER 25, 2021

As a Xen guest, this profile was gathered using perf(1) and the kernel's software cpu-clock soft interrupts, not the hardware NMI. Aftermath I provided details to AWS and Canonical, and then moved onto the other performance issues as part of the migration. Other EC2 instance types, such as C5 or M5, use the AWS Nitro Hypervisor.

Speed 126

Speed Java AWS Virtualization 126

Brendan Gregg

SEPTEMBER 5, 2017

Linux has been adding tracing technologies over the years: kprobes (kernel dynamic tracing), uprobes (user-level dynamic tracing), tracepoints (static tracing), and perf_events (profiling and hardware counters). But there's another factor at play: jobs are also migrating from both Solaris and Linux to cloud jobs instead, specifically AWS.

Virtualization 76

Virtualization AWS Engineering Hardware 76

Brendan Gregg

SEPTEMBER 25, 2021

As a Xen guest, this profile was gathered using perf(1) and the kernel's software cpu-clock soft interrupts, not the hardware NMI. Aftermath I provided details to AWS and Canonical, and then moved onto the other performance issues as part of the migration. Other EC2 instance types, such as C5 or M5, use the AWS Nitro Hypervisor.

Speed 40

Speed Java AWS Virtualization 40

Percona

JANUARY 17, 2019

On multi-core machines – which is the majority of the hardware nowadays – and in the cloud, we have multiple cores available for use. AWS Aurora (based on MySQL 5.6) AWS Aurora (based on MySQL 5.6) I will compare AWS Aurora with MySQL (Percona Server) 5.6 With faster disks (i.e. row.

Cache 46

Cache C++ AWS Airlines 46