TECH NEWS

Rebuilding LinkedIn’s Tracking Infrastructure: Scaling, Migrating, and Hardening a High-Volume Event Pipeline

By Pravesh Gupta, Senior Staff Software Engineer at LinkedIn & Pranav Mutharia, Senior Software Engineer at LinkedIn

LinkedIn’s tracking infrastructure turns product interactions such as impressions, clicks, page views, and media playback into signals used for experimentation, product analytics, platform health, and product experiences across LinkedIn. The quality and freshness of this data affect how quickly teams can understand product behavior and make informed decisions.

The system processes hundreds of billions of events per day—millions of events per second at peak Member activity—across several hundred event types. At this scale, even a small inefficiency or correctness issue can have a large cumulative impact.

That system had carried LinkedIn’s tracking traffic for years, but the technical environment around it had changed. It ran on Java 8 and the Play Framework while LinkedIn’s service ecosystem standardized on gRPC and a modern Java runtime—and adopting gRPC meant a new request contract and...

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We take a tour of HPE’s Technology Renewal Centre to see how old tech is getting a second life

If you’ve ever spotted a laptop or printer with a label that describes it as “reconditioned” or “refurbished” and wondered exactly what that means, read on. Hidden away a short drive from Glasgow Airport, HPE’s Technology Renewal Centre (TRC) at Erskine is one of the world’s leading

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The PHP Foundation, which coordinated fixes for two critical PHP flaws, operates on a shoestring budget with one full-time staff member and 14 contractors

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PHP2Shell: Security vendors race to contain a critical vulnerability as exploitation attempts spread

Two critical vulnerabilities in the PHP runtime have put security teams on alert, prompting cybersecurity vendors to issue threat advisories, update protective measures and urge organisations to patch affected systems without delay. Known collectively as PHP2Shell, CVE-2026-109618 and CVE-2026-109619 are remote code execution vulnerabilities rated 9.2 under CVSS 4.

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Mini Crossword Today: Answers for Oct. 24 - CNET

Need some help with today’s Mini Crossword? Today’s is the longest one of the week, so we provide all the answers. The Mini Crossword is a nice break from the tougher puzzles, and it takes only a fraction of the time of the vaunted, regular New York Times

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We take a tour of HPE’s Technology Renewal Centre to see how old tech is getting a second life

The PHP Foundation, which coordinated fixes for two critical PHP flaws, operates on a shoestring budget with one full-time staff member and 14 contractors

PHP2Shell: Security vendors race to contain a critical vulnerability as exploitation attempts spread

Mini Crossword Today: Answers for Oct. 24 - CNET