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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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Single-core memory bandwidth: Latency, Bandwidth, and Concurrency

John McCalpin

Understanding sustained memory bandwidth in these systems starts with assuming 100% utilization and then reviewing the factors that get in the way (e.g., This requires a completely different approach to modeling the memory system — one based on Little’s Law from queueing theory.

Latency 71
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Requirements for stream processing architecture

Abhishek Tiwari

In 2005 Stonebraker et al. published a paper that outlined 8 key requirements for stream processing architecture. These key requirements can be easily translated into building blocks of stream processing architecture. most of the requirements are still relevant.

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AWS EC2 Virtualization 2017: Introducing Nitro

Brendan Gregg

It's amazing to recall that it was even possible to virtualize x86 before processors had hardware-assisted virtualization (Intel VT-x and AMD-V), which were added in 2005 and 2006. They were being launched piecemeal, improving performance of pre-Nitro systems. AWS has a name for their Bare Metal platform: it's the "Nitro system".

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The Surprising Effectiveness of Non-Overlapping, Sensitivity-Based Performance Models

John McCalpin

The presentation discusses a family of simple performance models that I developed over the last 20 years — originally in support of processor and system design at SGI (1996-1999), IBM (1999-2005), and AMD (2006-2008), but more recently in support of system procurements at The Texas Advanced Computing Center (TACC) (2009-present).

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Top 8 Best Backend Frameworks

KeyCDN

They are responsible for the implementation of database systems, ensuring proper communication between various web services, generating backend functionality, and more. Laravel follows the MVC architectural pattern and was built to facilitate extensive backend development.

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Data Mining Problems in Retail

Highly Scalable

Most of this article represents an overview of the results published by retailers and researchers who built practical decision making and optimization systems combining abstract economic models with data mining methods. The most typical use cases for this problem are recommender systems, personalized search results ranking, and targeted ads.

Retail 152