waste Archives

Tech Optimizer

July 8, 2026

Logical replication improvements in Amazon RDS for PostgreSQL 18

PostgreSQL logical replication has operational challenges, such as the absence of generated columns in the replication stream, replication conflicts causing apply worker halts, and lingering replication slots consuming write-ahead log (WAL) files. PostgreSQL 18 introduces enhancements to address these issues, including the ability to include STORED generated columns in the replication stream with a new publication parameter, detailed conflict counters in pg_stat_subscription_stats, automatic invalidation of idle replication slots, and the ability to toggle two-phase commit settings on live subscriptions. To set up a test environment, two PostgreSQL 18 instances (one publisher and one subscriber) are required, along with an EC2 instance for executing commands. The publisher and subscriber must have specific configurations for logical replication, including enabling logical replication and setting appropriate parameters. PostgreSQL 18 allows the replication of STORED generated columns by using the publish_generated_columns parameter. The subscriber must define these columns as regular columns. The new version also enhances conflict monitoring by providing detailed counters for different types of replication conflicts. Parallel streaming is now the default behavior for subscriptions, improving efficiency. The two-phase commit feature can now be modified on existing subscriptions without needing to recreate them. PostgreSQL 18 also introduces automatic cleanup of idle replication slots, which can be configured to invalidate unused slots after a specified duration. Considerations for implementation include ensuring that the subscriber's column types match those of the publisher for generated columns, the requirement for track_commit_timestamp for certain conflict counters, and the fact that sequences are not replicated. Cleanup of replication resources is recommended after testing to prevent unnecessary costs and WAL accumulation.

AppWizard

June 26, 2026

Minecraft Adventure Maps — okay so let me just tell you what actually works

Adventure maps in Minecraft allow players to experience curated gameplay without survival mechanics or resource gathering. These maps are designed in Adventure Mode, preventing players from altering the environments. They vary in length and complexity, with some lasting only 20 minutes and others several hours, often featuring custom dialogue and narratives. Quality adventure maps can be found on platforms like Planet Minecraft, MCPEDL, CurseForge, and the Minecraft Marketplace. It's important to check version compatibility to avoid glitches. Recommended adventure maps include Herobrine’s Mansion, Diversity 3, SkyBlock, The Forgotten, Chronos, and Parkour Paradise. Multiplayer maps should be labeled as such to avoid common issues like skipped puzzles and disrupted story pacing. Installing maps differs between Java and Bedrock editions, with Java scanning the saves folder and Bedrock requiring the opening of a .mcworld file. Players may face issues like command blocks failing or visual discrepancies due to missing resource packs or version mismatches. To evaluate a map's quality before downloading, check the download count and read comments for potential bugs. Java and Bedrock maps are not interchangeable, so verifying the edition and compatibility is crucial for a smooth experience.

Winsage

June 17, 2026

Windows devs rerolled old code to save precious bytes

Veteran Microsoft engineer Raymond Chen shared a story about the development of an x86-32 emulator that utilized binary translation, significantly improving performance compared to traditional emulation methods. During the project, the team faced an issue where a function allocated 64 KB of memory but was optimized by a compiler into 65,536 instructions, leading to 256 kilobytes of code being used to initialize the data. In response to this inefficiency, the engineers modified the translator to replace the inefficient function with a more compact loop, highlighting their commitment to memory efficiency during a time when operating systems prioritized resource conservation.

Winsage

June 17, 2026

Google’s £3 upgrade for Windows is finally back in stock

Google, in collaboration with Back Market, is offering a USB memory stick that allows users to install the free ChromeOS Flex operating system on their existing PCs and Macs. This initiative aims to provide a cost-effective alternative for Windows 10 users, especially after Microsoft ceased support for the operating system in October 2022. The USB kits, designed for easy installation, have sold out quickly since their launch. ChromeOS Flex offers essential security updates and is designed to run on hardware originally intended for Windows and macOS, although it does not support Android apps or Windows virtual machines. The initiative also emphasizes environmental benefits by extending the life of existing devices and reducing e-waste.

Winsage

June 15, 2026

There are too many Windows laptops, and I can’t blame Microsoft for confusing choices — but there are ways it could help us all

The author has experience building Windows desktops but has recognized the practicality of Windows laptops due to frequent travel. They have a shortlist of preferred models, including the ASUS Zenbook A14 and Lenovo Yoga Slim 7x, but acknowledge that many consumers opt for cheaper laptops available in stores. The introduction of entry-level models like the MacBook Neo has shifted the conversation around Windows laptops. There is confusion among consumers regarding specifications, such as RAM and battery longevity, which are often overwhelming. The author suggests that a certified 'Windows Pro' laptop could guarantee features like a 120Hz display and 32GB of RAM, while a budget-friendly 'Windows Core' option could focus on IPS screens with at least 16GB of memory. There are concerns about consumer perception of non-certified products and the need for better education in the market.

Winsage

June 14, 2026

Microsoft hides these secret Windows 11 performance boost settings available on every PC

Windows enthusiasts aim to enhance system performance while managing heat and power consumption, especially in mobile PCs. Under-volting techniques are commonly used to optimize performance and reduce power consumption, with tools like AMD's Ryzen Master and Intel's XTU available for this purpose. Users can also adjust settings in the BIOS, such as Curve Optimizer for Ryzen processors. Processor Power Management operates through the Advanced Configuration and Power Interface (ACPI), which includes P-states for voltage-frequency scaling and C-states for CPU sleep states. Windows provides two default P-States: "Minimum Processor State" and "Maximum Processor State." A Registry modification can unlock additional options under a "Processor performance boost mode" dropdown, allowing for five distinct profiles: 1. Disabled: Disables processor boosting, reducing power consumption and heat but limiting performance. 2. Enabled: Allows boost functionality under normal conditions, balancing performance with power and thermal constraints. 3. Aggressive: Prioritizes performance, allowing higher boost states but increasing power draw and thermal output. 4. Efficient Enabled: Focuses on energy efficiency while allowing boosting. 5. Efficient Aggressive: Balances performance responsiveness with efficiency. To enable the Processor performance boost mode, users must access the Registry Editor, navigate to a specific path, and modify the value of Attributes from 1 to 2. This will reveal the new "Processor performance boost mode" dropdown with the five P-State options. The settings are summarized as follows: - Disabled: P-state behavior is disabled. - Enabled: P-state behavior is enabled with Efficient Enabled CPPC. - Aggressive: P-state behavior is enabled with Aggressive CPPC. - Efficient Enabled: Efficient P-state behavior with Efficient Enabled CPPC. - Efficient Aggressive: Efficient P-state behavior with Aggressive CPPC. - Aggressive At Guaranteed: Requests performance above the guaranteed level. - Efficient Aggressive At Guaranteed: Consistently requests the highest performance above the guaranteed level. Users should be cautious when modifying these settings, as issues may arise that require reverting to original settings.

Winsage

May 28, 2026

Three in ten HP customers still clinging to Windows 10

HP estimates that approximately 30% of its PC customers are still using Windows 10, which exited standard support in October. Ketan Patel, HP's president of personal systems, noted that the slow transition to Windows 11 is providing a financial tailwind for the company. HP's CFO, Karen Parkhill, mentioned that the Windows 11 refresh in EMEA and APJ markets is now on par with North America. Microsoft will end support for Windows 10 for business customers on October 14, 2025, but will offer security updates for those who pay for extended support. Gartner forecasts a modest 6.1% increase in device spending in 2026. Approximately 400 million systems cannot upgrade to Windows 11 due to hardware requirements. European campaigners have called for EU intervention regarding the Windows 11 upgrade, citing vendor-imposed software cutoffs. Microsoft is offering extended support for Windows 10 in the European Economic Area without conditions after the October deadline. HP's revenue grew by 9% year-on-year, reaching .41 billion in the second quarter of fiscal 2026, and net profit increased to million from million the previous year.

AppWizard

May 21, 2026

The internet is in an uproar after an 81-year-old gamer grandma was swatted

GrammaCrackers, an 81-year-old gamer, has been streaming Minecraft for 15 days to raise funds for her 17-year-old grandchild's cancer treatment. She has also played Fortnite, Rocket League, and Roblox. On May 19, she was a victim of "swatting," where law enforcement was falsely alerted, resulting in a large police presence at her home. Despite the incident, she remained unharmed and continues her streaming efforts. The gaming community has largely responded with support and encouragement.

AppWizard

May 20, 2026

Google is pushing Android app building into a faster, more agentic era

Google is introducing a streamlined workflow for Android app development through its AI Studio, which integrates native app building and reduces the time from concept to launch. At the I/O 2026 event, Google highlighted that developers can now create functional Kotlin code using natural-language prompts, access a browser-based emulator, and conduct internal testing without extensive setup. The AI Studio can generate production-quality native Android code via Jetpack Compose, allowing for in-browser previews and easy project transitions to the Internal Test Track. This initiative aims to enhance the developer ecosystem, particularly benefiting startups by minimizing early experimentation costs and enabling faster iterations. Google is also addressing developer loyalty by providing effective tooling that encourages developers to stay within its ecosystem. The AI Studio connects with Google Workspace and offers a mobile app for project iteration, positioning itself as a gateway for broader software projects. This evolution in Android development emphasizes a shift away from traditional setups towards an AI-assisted workflow, influencing the speed and adaptability of startups.

Winsage

May 19, 2026

Introducing new Surface devices built for business and AI acceleration

IT leaders face challenges from the rise of artificial intelligence, sophisticated security threats, and scrutiny over investment decisions regarding PC fleets. Microsoft has introduced the Surface line to address these demands, integrating advanced silicon and software for enhanced security and AI capabilities. The new Surface Pro for Business and Surface Laptop for Business, powered by Intel Core Ultra Series 3 processors, offer significant performance improvements, including up to 35% better graphics than the MacBook Air with M5 and over 90% faster than the Laptop 5 on select configurations. The Surface Laptop for Business is available in 13-inch and 15-inch models, starting at 9.99, featuring a high-resolution touchscreen, advanced haptic touchpad, and up to 23 hours of battery life. The 13-inch Surface Pro for Business, also starting at 9.99, combines multiple input methods with on-device AI processing. All Surface devices are designed with security as a core principle, shipping as Secured-core PCs, and include an optional integrated privacy screen. They support AI applications both in the cloud and on-device, enhancing productivity. Devices can be managed through Microsoft Intune for operational efficiency. The new Surface devices are made from recycled materials, designed for energy efficiency, and certified by ENERGY STAR.