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clock-drift

3 articles · Page 1 of 1
Xiaolin Talks Programming
Xiaolin Talks Programming
Sep 4, 2026 · Backend Development

Spring Boot High-Concurrency Distributed ID Generation: Snowflake Algorithm, Clock Drift Handling & Performance Optimization

This article walks through implementing Twitter's Snowflake algorithm in Spring Boot for distributed ID generation, covering 64-bit structure, clock drift mitigation strategies (wait, error, historical compensation), pre-generated ID pools with double buffering for 120k QPS, MyBatis-Plus integration, and Meituan Leaf design insights.

MyBatis-PlusPerformance Optimizationclock-drift
0 likes · 17 min read
Spring Boot High-Concurrency Distributed ID Generation: Snowflake Algorithm, Clock Drift Handling & Performance Optimization
Radish, Keep Going!
Radish, Keep Going!
Mar 3, 2026 · Information Security

Who Controls Your Computer’s Clock? Inside the Hidden NTP Trust Chain

Your device’s time comes from a worldwide hierarchy of atomic clocks and GPS satellites managed by the US Naval Observatory, but the NTP protocol lacks authentication, exposing SSL certificates, financial transactions, Kerberos authentication, and distributed databases to serious clock‑drift attacks.

NTPUSNOclock-drift
0 likes · 10 min read
Who Controls Your Computer’s Clock? Inside the Hidden NTP Trust Chain