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Observability platform vs. observability tools

Dynatrace

Complex information systems fail in unexpected ways. Observability gives developers and system operators real-time awareness of a highly distributed system’s current state based on the data it generates. With observability, teams can understand what part of a system is performing poorly and how to correct the problem.

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Fallacy #8: The network is homogeneous

Particular Software

Around 2005 or 2006, it wasn’t so bad. From Udi Dahan's free Distributed Systems Design Fundamentals video course Semantic interoperability The true challenge of non-homogenous networks lies in semantic interoperability. Consider for a moment a software system for a hospital emergency room. Interoperability is painful.

Network 98
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An Unbelievable Demo

Brendan Gregg

It was 2005, and I felt like I was in the eye of a hurricane. I was an independent performance consultant and Sun Microsystems had just released DTrace, a tool that could instrument all software. However, I was doing training and consulting for Sun, helping their customers with system administration and performance.

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SQL Server I/O Basics Chapter #2

SQL Server According to Bob

​​ Without limiting the rights under copyright, no part of this document may be reproduced, stored in or introduced into a retrieval system, or transmitted in any form or by any means (electronic, mechanical, photocopying, recording, or otherwise), or for any purpose, without the express written permission of Microsoft Corporation.

Servers 40
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The Amazing Evolution of In-Memory Computing

ScaleOut Software

Going back to the mid-1990s, online systems have seen relentless, explosive growth in usage, driven by ecommerce, mobile applications, and more recently, IoT. For example, one of ScaleOut Software’s customers recently upgraded from just using distributed caching to scale its ecommerce application.

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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. This is pretty common and usually goes unnoticed as the flame graph looks ok at first glance. Click here for a longer explanation.

Java 145
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The Amazing Evolution of In-Memory Computing

ScaleOut Software

Going back to the mid-1990s, online systems have seen relentless, explosive growth in usage, driven by ecommerce, mobile applications, and more recently, IoT. For example, one of ScaleOut Software’s customers recently upgraded from just using distributed caching to scale its ecommerce application.