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ITPUB

Oct 12, 2026 · Artificial Intelligence

16-Model Segmentation Showdown: CNN, Transformer & Mamba on DeepGlobe Land Cover

This article benchmarks 16 semantic segmentation models—including CNN, Transformer, and Mamba architectures—on the DeepGlobe land cover dataset using a unified training protocol, revealing U-MixFormer-B1 as the fastest-converging model and SegFormer-B1 as the accuracy leader with 0.7438 mIoU, while demonstrating that encoder-decoder matching matters more than backbone strength.

CNNDeepGlobeMamba

0 likes · 15 min read

16-Model Segmentation Showdown: CNN, Transformer & Mamba on DeepGlobe Land Cover

ITPUB

Oct 10, 2026 · Artificial Intelligence

Google Tests Gemini 4 'Carbon' Internally as Argon Launch Stalls: 'Feels Like Opus 5.5'

Google is internally testing a new Gemini 4 checkpoint codenamed Carbon, which employees say matches Anthropic's Opus 5.5 for coding, while the already-announced Argon model remains unavailable to most users despite strong benchmarks in long-context software engineering but weaknesses in terminal interaction.

AI AgentsArgonCarbon

0 likes · 11 min read

Google Tests Gemini 4 'Carbon' Internally as Argon Launch Stalls: 'Feels Like Opus 5.5'

ITPUB

Oct 7, 2026 · Backend Development

Rails 8 Drops Redis: How PostgreSQL's SKIP LOCKED Powers SolidQueue

Rails 8 replaces Redis with database-backed SolidQueue, SolidCache, and SolidCable, leveraging PostgreSQL's SKIP LOCKED for efficient task queues and arguing that most applications overpay a hidden 'middleware tax' for specialized infrastructure they don't actually need.

PostgreSQLRails 8Redis

0 likes · 14 min read

Rails 8 Drops Redis: How PostgreSQL's SKIP LOCKED Powers SolidQueue

ITPUB

Oct 6, 2026 · Databases

100 Essential Dameng DM8 DBA Commands for Daily Operations & Troubleshooting

This comprehensive guide lists 100 essential Dameng DM8 database administration commands covering instance management, user permissions, tablespace operations, performance tuning, backup/recovery, logical import/export, and high-availability monitoring for daily DBA operations and troubleshooting.

Backup RecoveryDBADM8

0 likes · 32 min read

100 Essential Dameng DM8 DBA Commands for Daily Operations & Troubleshooting

ITPUB

Oct 3, 2026 · Fundamentals

Why Learn Linux? Kernel Internals, Unix Philosophy, and a Production Rescue Story

A veteran engineer recounts how deep Linux kernel knowledge resolved a catastrophic zombie-process outage across thousands of CentOS 6 servers, then explores the Unix philosophy of user autonomy, tool composability, and transparent system design that makes Linux essential for serious engineers.

Init SystemUnix PhilosophyZombie Process

0 likes · 17 min read

Why Learn Linux? Kernel Internals, Unix Philosophy, and a Production Rescue Story

ITPUB

Oct 2, 2026 · R&D Management

Structured & Systems Thinking: The Mindset Shift from Expert to Architect

This article explains how structured thinking (pyramid principle, decomposition) and systems thinking (feedback loops, delays, iceberg model) differentiate architects from technical experts, using frameworks like SWOT, PDCA, STAR, WBS, and a Meituan outage case study to illustrate practical application for complex problem-solving and system design.

Feedback LoopsMeituan outagePDCA

0 likes · 44 min read

Structured & Systems Thinking: The Mindset Shift from Expert to Architect

ITPUB

Oct 1, 2026 · Databases

Why SELECT * 20M Rows Won't OOM MySQL: Streaming Protocol & LRU Protection

The article explains why a MySQL SELECT * query scanning 20 million rows won't cause server-side OOM due to its streaming protocol using a 16KB net_buffer, but warns that full table scans can pollute the Buffer Pool, though InnoDB's midpoint insertion strategy and innodb_old_blocks_time (default 1s) protect hot data from eviction.

Buffer PoolInnoDBInterview

0 likes · 13 min read

Why SELECT * 20M Rows Won't OOM MySQL: Streaming Protocol & LRU Protection

ITPUB

Sep 30, 2026 · Artificial Intelligence

How AI Agents Handle High Concurrency: Admission, Backpressure, Async & Isolation

This article details a production-grade architecture for handling high concurrency in AI agent systems, covering real load estimation, admission control with bounded queues, async task processing, hierarchical concurrency budgets for models and tools, resource isolation via bulkheads, idempotency for state consistency, graded degradation strategies, and observability-driven capacity planning.

AI AgentsConcurrency BudgetIdempotency

0 likes · 18 min read

How AI Agents Handle High Concurrency: Admission, Backpressure, Async & Isolation

ITPUB

Sep 29, 2026 · Industry Insights

Context Layer War: Microsoft Fabric's Pivot to Enterprise AI Foundation

Microsoft positions Fabric as an enterprise AI operational foundation with new context-layer capabilities, leveraging 20 million Power BI semantic models and Copilot distribution, while analysts highlight interoperability and data sovereignty as key challenges against rivals Databricks and Snowflake.

AI AgentsContext LayerCopilot

0 likes · 13 min read

Context Layer War: Microsoft Fabric's Pivot to Enterprise AI Foundation

ITPUB

Sep 28, 2026 · Artificial Intelligence

How We Cut Token Costs 50% in a Multi-Agent Harness Workflow

A team reduced token costs 50–65% in a 1-TL + 6-sub-agent Harness workflow by applying three principles—load only needed context, eliminate irrelevant context, remove duplicate context—through ten techniques including progressive disclosure, code graphs, CLI over MCP, and parallel tool calls, measured via AgentLens.

AgentLensHarness workflowLLM cost reduction

0 likes · 23 min read

How We Cut Token Costs 50% in a Multi-Agent Harness Workflow