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OneAgent release notes version 1.231

Dynatrace

Sometimes the Python virtual machine crashes. Operating systems. Future Dynatrace OneAgent operating systems support changes. The following operating systems will no longer be supported starting 01 March 2022. The following operating systems will no longer be supported starting 01 April 2022. Vendor announcement.

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The Return of the Frame Pointers

Brendan Gregg

The problem is that this system has a default libc that has been compiled without frame pointers, so any stack walking stops at the libc layer, producing a partial stack that's missing the application frames. We may get there with future technologies I'll cover later. The actual overhead depends on your workload.

Java 145
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What Adrian Did Next?—?Part 2?—?Sun Microsystems

Adrian Cockcroft

Photo by Adrian I spent six years at Cambridge Consultants, building some interesting systems, managing our Sun workstations and learning a lot, but by then Sun had opened a sales office across the street, and I wanted to find out what they were going to release next, before everyone else. as a result there were product and messaging changes.

Tuning 52
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bpftrace (DTrace 2.0) for Linux 2018

Brendan Gregg

Created by Alastair Robertson , bpftrace is an open source high-level tracing front-end that lets you analyze systems in custom ways. more capable, and built from the ground up for the modern era of the eBPF virtual machine. eBPF (extended Berkeley Packet Filter) is in the Linux kernel and is the new hotness in systems engineering.

C++ 110
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Measuring The Performance Of Typefaces For Users (Part 1)

Smashing Magazine

These compiled systems for letters and symbols, which are representations of sounds and information, get a lot of use and are a large part of graphic communication. Fast forward to the early 1960s, phototypesetting systems appeared. In a way, technology also created new typeface classifications. How well do typefaces work?

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bpftrace (DTrace 2.0) for Linux 2018

Brendan Gregg

Created by Alastair Robertson , bpftrace is an open source high-level tracing front-end that lets you analyze systems in custom ways. more capable, and built from the ground up for the modern era of the eBPF virtual machine. eBPF (extended Berkeley Packet Filter) is in the Linux kernel and is the new hotness in systems engineering.

C++ 40
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SQL Server I/O Basics Chapter #1

SQL Server According to Bob

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. This will help you increase system performance and avoid I/O environment errors.

Servers 40