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. It's an exciting development in cloud computing: hardware virtualization is now fast. It's using software and coordination between the hypervisor and guest to improve 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. It's an exciting development in cloud computing: hardware virtualization is now fast. It's using software and coordination between the hypervisor and guest to improve performance.

Virtualization 40

Virtualization AWS Hardware Storage 40

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

Brendan Gregg

AUGUST 8, 2017

The oldest change in the entire Linux repo dates back to 2005, when Linus imported Linux 2.6.12-rc2, Anyway, the following patch seems to make the load average much more consistent WRT the subjective speed of the system. This, too, was a dead end. rc2, and this change predates that. awk '{ print $1, $2 / 1000 }' out.stacks |./FlameGraph/flamegraph.pl

Latency 111

Latency Metrics C++ Systems 111