Engineering Blog

Category: Architecture Practice

6 posts in this category.

Architecture PracticeJul 8, 202611 min read16Yun Engineering Team

Obscura Reliability — Timeouts, Resource Boundaries, and Production Tuning

Navigation timeout, CDP command timeout, fetch timeout, process hard deadline — Obscura uses layered timeouts and resource boundaries so one bad page never wedges the service.

#Obscura #reliability #timeout #SSRF #production tuning

Architecture PracticeJul 5, 20266 min read16Yun Engineering Team

Obscura Architecture — 8 Crates, Single V8 Isolate, and CDP Dispatch

8 crates with clear responsibilities, single V8 Isolate serialization, CDP dispatch with lifecycle events, and DOM tree with cycle guards.

#Obscura #architecture #Rust #V8 #CDP

Architecture PracticeJul 3, 20266 min read16Yun Engineering Team

Obscura Stealth — Fingerprint Spoofing, TLS Fingerprint, and Anti-Detection

Browser profile pool, BoringSSL TLS fingerprints, 3500+ domain tracker blocklist. Obscura Stealth is a full-stack anti-detection system from TLS to JS APIs.

#Obscura #Stealth #anti-detection #TLS fingerprint #browser fingerprinting

Architecture PracticeMar 9, 20263 min read16Yun Engineering Team

Issue Playbook: New jobs stuck in pending state in 429 Control and

Single-problem, engineering-grade Scrapy tutorial.

#429-control #retry-budget #backoff-strategy

Architecture PracticeMar 9, 20263 min read16Yun Engineering Team

Issue Playbook: scrapy-splash recursive crawl using CrawlS in 429

Single-problem, engineering-grade Scrapy tutorial.

#429-control #retry-budget #backoff-strategy

Architecture PracticeMar 9, 20263 min read16Yun Engineering Team

Issue Playbook: Fix flaky test_download_with_proxy_https_t in 429

Single-problem, engineering-grade Scrapy tutorial.

#429-control #retry-budget #backoff-strategy