Brendan Gregg

SEPTEMBER 25, 2021

These strange questions came to the fore back in 2014 when Netflix was switching services from CentOS Linux to Ubuntu, and I helped debug several weird performance issues including one I'll describe here. There's no Java stack—there should be a tower of green Java methods—instead there's only a single green frame or two.

Speed 124

Speed Java AWS Virtualization 124

Sutter's Mill

MARCH 11, 2024

In that context, I’ll focus on C++ and try to: highlight what needs attention (what C++’s problem “is”), and how we can get there by building on solutions already underway; address some common misconceptions (what C++’s problem “isn’t”), including practical considerations of MSLs; and leave a call to action for programmers using all languages.

C++ 140

C++ Programming Code Java 140

Brendan Gregg

SEPTEMBER 25, 2021

These strange questions came to the fore back in 2014 when Netflix was switching services from CentOS Linux to Ubuntu, and I helped debug several weird performance issues including one I'll describe here. This is how Java flame graphs looked at the time. Colleagues/Internet I love using Linux performance tools.

Speed 52

Speed Java AWS Virtualization 52

Brendan Gregg

SEPTEMBER 25, 2021

These strange questions came to the fore back in 2014 when Netflix was switching services from CentOS Linux to Ubuntu, and I helped debug several weird performance issues including one I'll describe here. There's no Java stack—there should be a tower of green Java methods—instead there's only a single green frame or two.

Speed 40

Speed Java AWS Virtualization 40