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Write Optimized Spark Code for Big Data Applications

DZone

Apache Spark is a powerful open-source distributed computing framework that provides a variety of APIs to support big data processing. PySpark is the Python API for Apache Spark , which allows Python developers to write Spark applications using Python instead of Scala or Java.

Big Data 161
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Load Average: An Indicator for Only CPU Demand?

DZone

network read/write, file read/write, disk read/write). BuggyApp is an open-source Java project that can simulate various performance problems. ‘Load Average’ not only indicates CPU demand, but also the I/O demand (i.e., To prove this theory, we conducted this simple case study. Load Average Study.

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Why software supply chain attacks are increasing

Dynatrace

Open source vulnerabilities creeping in through the software supply chain are one key reason for this substantial increase. According to one survey, supply chain attacks on open source software increased 650% in 2021. And in the supply chain, open source is clearly a vulnerability.

Software 188
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Advance DevSecOps practices with a vulnerability management strategy

Dynatrace

The vulnerability is located in Log4j 2, an open-source Apache Java software used to run logging services in a host of front-end and backend applications. can grant access to internal networks, and if exploited, makes networks, applications, and devices susceptible to data theft and malware attacks.

Strategy 201
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What is Log4Shell? The Log4Shell vulnerability explained (and what to do about it)

Dynatrace

Since December 10, days after a critical vulnerability known as Log4Shell was discovered in servers supporting the game Minecraft, millions of exploit attempts have been made of the Log4j 2 Java library, according to one team tracking the impact, with potential threat to millions more applications and devices across the globe.

Internet 260
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What is vulnerability management? And why runtime vulnerability detection makes the difference

Dynatrace

Security vulnerabilities are weaknesses in applications, operating systems, networks, and other IT services and infrastructure that would allow an attacker to compromise a system, steal data, or otherwise disrupt IT operations. For example, an attacker could exploit a misconfigured firewall rule to gain access to servers on your network.

Traffic 163
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Building Netflix’s Distributed Tracing Infrastructure

The Netflix TechBlog

Reconstructing a streaming session was a tedious and time consuming process that involved tracing all interactions (requests) between the Netflix app, our Content Delivery Network (CDN), and backend microservices. We chose Open-Zipkin because it had better integrations with our Spring Boot based Java runtime environment.