Brendan Gregg

NOVEMBER 29, 2017

Hardware virtualization for cloud computing has come a long way, improving performance using technologies such as VT-x, SR-IOV, VT-d, NVMe, and APICv. The latest AWS hypervisor, Nitro, uses everything to provide a new hardware-assisted hypervisor that is easy to use and has near bare-metal performance.

Virtualization 111

Virtualization AWS Hardware Storage 111

Brendan Gregg

NOVEMBER 28, 2017

Hardware virtualization for cloud computing has come a long way, improving performance using technologies such as VT-x, SR-IOV, VT-d, NVMe, and APICv. The latest AWS hypervisor, Nitro, uses everything to provide a new hardware-assisted hypervisor that is easy to use and has near bare-metal performance.

Virtualization 40

Virtualization AWS Hardware Storage 40

Brendan Gregg

MARCH 16, 2024

I'm sure this delivered large performance improvements and I wouldn't try arguing against it. 2005-2023: The winter of broken profilers However, the change was then applied to x86-64 (64-bit) as well, which had sixteen registers and didn't benefit so much from a seventeenth. The actual overhead depends on your workload.

Java 145

Java Cache Google Hardware 145

SQL Server According to Bob

JANUARY 11, 2020

As ​​ the ​​ administrator of a SQL Server 2005 installation, ​​ you will find that ​​ visibility into ​​ the ​​ SQL Server ​​ I/O ​​ subsystem ​​ has been ​​ significantly increased.

Servers 40

Servers Cache Database Media 40

SQL Server According to Bob

DECEMBER 18, 2018

Be sure to deploy SQL Server 2017 CU6 or newer for best data durability and performance results. “. The “forced flush” changes in SQL Server avoid flushes, when possible, in order to improve performance on non-optimized Fua file systems. Performance points of reference: The following charts highlight the increase in performance.

Servers 90

Servers Media Cache Storage 90

Brendan Gregg

AUGUST 8, 2017

If they are higher than your CPU count, then you might have a performance problem (it depends). The oldest change in the entire Linux repo dates back to 2005, when Linus imported Linux 2.6.12-rc2, you are running at saturation, which may cause performance problems. that was bursty within the minute might be performing badly.

Latency 111

Latency Metrics C++ Systems 111