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Tencent Cloud Developer
Tencent Cloud Developer
Jul 10, 2024 · Operations

Leap Second: The Technical Burden Programmers Cannot Bear

The International Earth Rotation Service’s decision to skip the 2024 leap second and ultimately abolish leap seconds by 2035 relieves programmers of complex time‑keeping hacks, as current NTP, PTP, and newer Windows systems can already handle adjustments while past leap seconds have repeatedly disrupted software.

Linux kernelNTPPTP
0 likes · 16 min read
Leap Second: The Technical Burden Programmers Cannot Bear
ByteDance Dali Intelligent Technology Team
ByteDance Dali Intelligent Technology Team
Jul 2, 2021 · Backend Development

Message Middleware Delivery Models: PTP, Pub/Sub, Partition, and Transfer

This article examines four common message middleware delivery models—Point-to-Point, Publish/Subscribe, Partition, and Transfer—explaining their core characteristics, differences, usage scenarios, and performance considerations, with practical examples from ActiveMQ, Kafka, RocketMQ, and NSQ in modern systems.

Message QueuePTPPartition
0 likes · 10 min read
Message Middleware Delivery Models: PTP, Pub/Sub, Partition, and Transfer