Brendan Gregg

MARCH 16, 2024

As my former Sun Microsystems colleague Eric Schrock (nickname Schrock) wrote in November 2004 : "On i386, you at least had the advantage of increasing the number of usable registers by 20%. This technique saves two instructions in the prologue and epilogue and makes one additional general-purpose register (%rbp) available."

Java 145

Java Cache Google Hardware 145

Adrian Cockcroft

JUNE 21, 2022

I still code in R… One role I had for many years was to lead technical training events for the global specialist systems engineers, which we called the Ambassador Program. I was looking for a new challenge, so joined the program and ended up getting certified as a “black belt”. Rich Pettit is one of the best programmers I ever met.

Tuning 52

Tuning Benchmarking Engineering C++ 52

Brendan Gregg

OCTOBER 8, 2018

more capable, and built from the ground up for the modern era of the eBPF virtual machine. Syscall count by program bpftrace -e 'tracepoint:raw_syscalls:sys_enter { @[comm] = count(); }'. bcc is powerful but laborious to program. It's shaping up to be a DTrace version 2.0: eBPF does more. eBPF does more.

C++ 110

C++ Virtualization Programming Latency 110

Brendan Gregg

OCTOBER 7, 2018

more capable, and built from the ground up for the modern era of the eBPF virtual machine. Syscall count by program bpftrace -e 'tracepoint:raw_syscalls:sys_enter { @[comm] = count(); }'. bcc is powerful but laborious to program. It's shaping up to be a DTrace version 2.0: eBPF does more. eBPF does more.

C++ 40

C++ Virtualization Programming Latency 40

SQL Server According to Bob

JANUARY 11, 2020

Pull-the-plug ​​ power ​​ outage testing ​​ Power outage testing ​​ is ​​ a fundamental and critical part of the administrator’s data safety and integrity requirements. ​​ Incorrect configurations lead to data loss.

Servers 40

Servers Cache Database Media 40

SQL Server According to Bob

JANUARY 11, 2020

Microsoft SQL Server I/O Basics Author: ​​ Bob Dorr, Microsoft SQL Server Escalation Published: ​​ December, 2004 SUMMARY: ​​ Learn the I/O requirements for Microsoft SQL Server database file operations. © ​​ 2004 Microsoft Corporation. ​​ All rights reserved.

Servers 40

Servers Cache Media Hardware 40