Detecting Android ANR Root Causes: Thread Deadlocks, Barrier Leaks, and Attribution

This article explains how ANRCanary attributes Android ANR problems by analyzing thread deadlocks, barrier message leaks, aggregation signatures, and key‑function extraction, providing developers with concrete detection algorithms and practical examples to resolve high‑impact ANRs.

ANRAndroidBarrier Leak

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Detecting Android ANR Root Causes: Thread Deadlocks, Barrier Leaks, and Attribution

Ziru Technology

Mar 14, 2022 · Backend Development

Why Our Druid Pool Stalled: Uncovering Thread Deadlocks and Opentelemetry Bugs

After the user center’s test environment repeatedly halted all database requests, we traced the issue to Druid’s connection pool threads blocking on takeLast(), discovered opentelemetry’s global lock causing deadlock, and resolved it by upgrading Druid and adjusting maxWait settings.

DebuggingDruidJava

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Why Our Druid Pool Stalled: Uncovering Thread Deadlocks and Opentelemetry Bugs

JD Retail Technology

Nov 6, 2020 · Mobile Development

JD Mall App Stutter Monitoring System: Architecture, Implementation, and Optimization Outcomes

This article details the design and deployment of JD Mall's mobile app stutter monitoring system, introducing the stutter rate metric, describing data collection, analysis, and reporting modules, presenting iOS and Android implementation code, and summarizing the performance improvements achieved across the platform.

AndroidThread Deadlockfps

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JD Mall App Stutter Monitoring System: Architecture, Implementation, and Optimization Outcomes