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Observability-Driven Development vs Test-Driven Development

DZone

The concept of observability involves understanding a system’s internal states through the examination of logs, metrics, and traces. This approach provides a comprehensive system view, allowing for a thorough investigation and analysis. While incorporating observability into a system may seem daunting, the benefits are significant.

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In-product guidance accelerates Service Level Objectives (SLO) setup for confident deployments

Dynatrace

You can get all the facts about the health of you critical business services with respect to Business and Service-Level Objectives (SLO), Service-Level Agreements (SLAs), and end-user experience: Get more than 2000 different metrics ready for use as dedicated SLIs.

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Fixing Misplaced Rows in a Partitioned Table

Percona

mysql> SELECT * FROM salaries where emp_no=10001 and from_date='1999-06-23'; + --+ --+ + + | emp_no | salary | from_date | to_date | + --+ --+ + + | 10001 | 84917 | 1999-06-23 | 2000-06-22 | + --+ --+ + + 1 row in set (0.00 sec) But once the data is misplaced, it does not return any rows.

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Stuff The Internet Says On Scalability For September 14th, 2018

High Scalability

editingemily : "In peacetime, a ticketing system is great. Because of that big servers and other memory systems need to have another kind of memory in the hierarchy. IBM still dominates mainframes and Microsoft still dominates PC operating systems and productivity software. Complex systems run in degraded mode.

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What Adrian Did Next — Part 4 — how I helped Netflix launch on iPad and iPhone — 2007 to 2010

Adrian Cockcroft

It was clearly far better hardware than we could build, had a proper full featured operating system on it, and as soon as it shipped, people figured out how to jailbreak it and program it. We knew that many customers already had iPhones so the traffic ramp up for the new service was extremely fast.

C++ 88
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Edge Authentication and Token-Agnostic Identity Propagation

The Netflix TechBlog

Scale of the Netflix service was growing rapidly, with over 2000 device types supported. The whole system was quite complex, and starting to become brittle. The API server orchestrates backend systems to authenticate the user. Zuul redirects the user call to the API /login endpoint.

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CMake: The Case When the Project's Quality Is Unforgivable

DZone

CMake is a cross-platform system for automating project builds. This system is much older than the PVS-Studio static code analyzer, but no one has tried to apply the analyzer on its code and review the errors. CMake is a cross-platform system for automating software building from source code. The CMake audience is huge.