Official ITPUB account sharing technical insights, community news, and exciting events.
LinkedIn, the original home of Apache Kafka, abandoned the platform for a home‑grown system called Northguard, redesigning log storage, decentralizing metadata, and adding a virtualized Xinfra layer to handle trillions of daily events, while still acknowledging Kafka’s relevance for most companies.
The article traces the rapid rise of AI variants such as OpenClaw, Hermes, and Harness, explains how the industry shifted from model competitions to engineering deployment, outlines a 2022‑2026 timeline of breakthroughs, and argues that Harness is the essential “harness” that turns powerful models into reliable, productive agents.
The 2026 Stanford AI Index report, over 400 pages long, reveals that AI resources keep growing while model concentration rises, the performance gap between US and Chinese models has nearly vanished, top‑tier models are converging, 88% of enterprises have adopted generative AI, and concerns mount over transparency, environmental impact, and uneven labor‑market effects.
This guide walks you through systematic troubleshooting of Java service performance problems—covering CPU spikes, memory leaks, GC pauses, disk I/O anomalies, and network bottlenecks—by explaining key metrics, command‑line tools, visual profilers, and practical code examples.
A new team member transformed a painfully slow Java data‑processing routine—originally taking 26,856 ms—by refactoring nested loops, extracting repeated calculations, and introducing a thread‑pool for parallel execution, reducing runtime to just 748 ms, and the article walks through the before‑and‑after code and key techniques.
The article analyzes OpenClaw, revealing that while it functions as an AI agent orchestration layer rather than a true cloud platform, its reliance on external services introduces significant security, governance, and architectural risks that enterprises must carefully evaluate before adoption.
The article explains how treating the literal string "null" as an empty value can cause serious bugs in Java backend registration, database storage, and security checks, and provides concrete code examples and a sanitisation utility to prevent these issues.
This article compares PostgreSQL and SQL Server data access methods—including sequential scans, index scans, bitmap heap scans, index‑only scans, and parallel query execution—highlighting PostgreSQL's lack of clustered indexes and the performance implications of each approach.
The article analyses OpenClaw’s single‑turn memory design, explains the two vicious cycles that cause memory bloat and forgetting, and introduces seekdb M0’s cloud‑native, two‑stage memory and experience system that decouples memory from context, reduces token costs, and shares practical knowledge across agents.
This guide explains the reasons behind SSD performance degradation, such as write‑amplification and garbage collection, and provides practical Linux techniques—including enabling TRIM, maintaining free space, reducing unnecessary writes, and using smartctl—to restore and preserve SSD speed.
