maintenance Archives

Tech Optimizer

July 30, 2026

EDB Says Postgres AI Tops Enterprise AI Data Platform Benchmarks

EnterpriseDB (EDB) has released benchmark results for its EDB Postgres AI (EDB PG AI), showing superior performance compared to various AI data platforms, including vector databases and managed Postgres platforms. The independent testing by McKnight Consulting Group indicated that EDB PG AI outperformed competitors in all evaluated metrics, including query speed, accuracy, and cost efficiency. Key findings include: - EDB PG AI achieved a median query latency of 50 milliseconds at 50 million vectors, making it the fastest platform tested, 80 times faster than Databricks and 21 times faster than MongoDB Atlas. - It demonstrated the highest accuracy for core vector search with a recall rate of 0.911, outperforming MongoDB by 26% and Databricks by 17%. - In a concurrent agent loop test, EDB PG AI completed tasks in 27 milliseconds, significantly faster than MongoDB Atlas (699 milliseconds) and Databricks (5.1 seconds). - EDB PG AI provided 76 times better price performance than Databricks and 34 times better than MongoDB. - The platform integrates vectors, structured data, and analytics within a single operational database, enhancing efficiency and reducing the risk of data inconsistency. The benchmark study assessed the performance of EDB PG AI against Amazon Aurora PostgreSQL, Databricks, Crunchy Bridge, MongoDB Atlas, and open source PostgreSQL, all standardized on equivalent enterprise hardware.

AppWizard

July 30, 2026

I Spent a Month With the Steam Machine and it Perfectly Fills the One Gap in My Gaming Habits

The Steam Machine has been on the market for just over a month and has integrated into the user's gaming routine, particularly during a recent illness. The user connected it to their TV, disabled metrics, and explored their Steam library, finding the experience enjoyable. Despite skepticism about its high price for average consumers, the Steam Machine offers a solution for transitioning gaming from a desk to a living room without monopolizing the network. The user has historically preferred PC gaming over consoles, appreciating the flexibility of switching between devices. Previous attempts to set up living room PCs were inconvenient, but the Steam Machine simplifies this with SteamOS and the Steam Controller's trackpads. The user adjusted the output resolution to 1440p and enjoyed games like Resident Evil 4 Remake and Final Fantasy 7 Rebirth, valuing the ability to continue saves from their PC. The Steam Machine is priced at ,049, which may deter some, but it appeals to users with extensive Steam libraries.

Winsage

July 29, 2026

Microsoft Intune Adds macOS Compliance and Samsung Update Controls

Microsoft's July Intune update includes enhancements for IT administrators, such as real-time monitoring of Windows device sync progress, custom compliance settings for macOS, and improved firmware update management for Samsung devices. The Intune admin center now allows real-time monitoring of sync progress for Windows devices, enabling simultaneous updates across various management aspects. Custom compliance settings for macOS enable organizations to define specific compliance requirements beyond Apple's standard checks, allowing for a unified compliance management experience across Windows, Linux, and macOS. The update also enhances Samsung Galaxy firmware management through Samsung Knox E-FOTA, allowing administrators to control firmware version deployment and update schedules. Additionally, the update clarifies that newer Windows Autopilot methods allow provisioning of Windows 11 devices without prior registration.

AppWizard

July 29, 2026

Your older Galaxy phone just lost another piece of Samsung support

Samsung has announced that the Samsung Find app will no longer receive updates on devices running One UI 2.0 (Android 10) or earlier. Users of these devices will miss out on new features, bug fixes, and performance enhancements, though existing functionalities will remain operational. Users can reinstall the latest compatible version of the app from the Galaxy Store or Google Play. Samsung advises upgrading to a newer version of One UI for continued access to updates and long-term support. The decision reflects a broader trend of phasing out support for older software versions in favor of newer iterations.

Tech Optimizer

July 28, 2026

Migrate self-managed PostgreSQL to Amazon RDS using the RDS console

Running PostgreSQL on Amazon EC2 requires users to manage operational tasks such as patching, backups, and security. Migrating to Amazon RDS for PostgreSQL or Amazon Aurora PostgreSQL-Compatible Edition offers a fully managed service that automates these tasks, allowing development teams to focus on application development. The migration process uses the auto-migration feature in the Amazon RDS console, supported by AWS Database Migration Service (AWS DMS), which facilitates PostgreSQL-to-PostgreSQL migrations using native tools for accurate schema mapping and faster migration. The migration can be executed using various methods, including pg_dump/pg_restore, manual AWS DMS tasks, or third-party tools, with the RDS console approach being preferred for its reliability and minimal setup effort. AWS DMS supports three replication modes: full load, CDC only, and full load + CDC, with the migration duration depending on database size and network throughput. Prerequisites for migration include having a source PostgreSQL 10.4+ on Amazon EC2, a target RDS for PostgreSQL or Aurora PostgreSQL, proper IAM roles, stored credentials in Secrets Manager, and appropriate networking configurations. Considerations include unsupported objects, potential issues with sequence values, and the need to avoid schema changes during CDC. The migration involves preparing the source database, creating necessary users and permissions, and executing the migration through the RDS console. Post-migration, it is essential to verify data integrity, optimize performance by updating statistics and rebuilding indexes, and implement security best practices such as disabling the DMS user and enforcing SSL/TLS connections. Common troubleshooting errors during migration include permission issues, incorrect WAL levels, and connection refusals, each with specific resolutions. Finally, to avoid ongoing charges, it is recommended to clean up resources created during the migration process, including deleting the DMS migration task, logical replication publications, Secrets Manager secrets, and the target RDS/Aurora instance.

Tech Optimizer

July 28, 2026

‘PGSimCity’ shows how the PostgreSQL database actually works internally in a SimCity-like 3D environment.

PGSimCity is a web application that provides a 3D visualization of PostgreSQL's architecture, allowing users to explore its internal operations during SQL query execution. The application features an interactive interface that guides users through the connection process to PostgreSQL, illustrating how client connections reach the Postmaster and backend processes. It highlights the significance of connection pooling and the impact of increasing connections on backend processes. In the 'Query Lab' section, SQL statements are transformed into execution plans, showcasing processes like Parser, Rewriter, Planner, and Executor, along with execution paths such as Seq Scan and Index Scan. The shared_buffers area represents PostgreSQL's buffer cache, optimizing performance by reading data in 8KiB pages. Visualizations depict data pages stored on disk, with pathways showing the movement of pages to shared_buffers. The Write-Ahead Log (WAL) mechanism records changes for recovery, and transaction commits wait for WAL records to be flushed. Checkpointing writes dirty pages to storage in batches, which can cause latency spikes. PostgreSQL uses Multi-Version Concurrency Control (MVCC) to manage updated rows and dead tuples, which are cleaned up by autovacuum processes. The application also illustrates replication, where WAL from the primary server is sent to the standby server to maintain data consistency. Overall, PGSimCity provides a comprehensive view of PostgreSQL's components and potential performance issues related to caching, WAL management, checkpointing, vacuuming, and replication.

Winsage

July 28, 2026

Your Windows Recycle Bin is a privacy risk—here’s how to actually delete your files

The Recycle Bin in Windows, introduced in 1995, serves as a temporary storage for deleted files rather than permanently removing them. When a file is deleted, it is moved to the Recycle Bin, which requires manual emptying or activation of a Storage Sense policy to clear its contents. This can lead to reduced hard drive space for users unaware of its behavior. The Recycle Bin can contain sensitive information, and if someone gains access to a Microsoft account, they can view its contents. Even after emptying the Recycle Bin, data can be recovered unless overwritten, with different recovery processes for solid-state drives (SSDs) due to maintenance routines like the TRIM command. Risks extend beyond physical access, as compromised accounts or malware can access deleted files. To securely delete sensitive files, users can use the Shift + Del shortcut, file shredding applications, and consider encrypting their drives with BitLocker. Specialized shredders for SSDs exist, and users can optimize drives through Windows settings to manage data recovery risks.

AppWizard

July 26, 2026

Quick ways to clear cache and fix software conflicts on Android phones

Modern Android smartphones can experience sluggish behavior over time due to the accumulation of temporary data files or conflicts between applications. To enhance performance without a factory reset, users can follow these six methods: 1. Clear individual app cache by navigating to settings, selecting the app, and choosing the clear cache option. 2. Wipe browser cache and saved cookies by accessing browser settings, going to the privacy menu, and selecting the clear browsing data option. 3. Use built-in device care and optimization tools found under "device care" or "storage optimization" in settings to remove unnecessary files and cache. 4. Boot into safe mode to identify problematic third-party apps by pressing and holding the power button and selecting the safe mode prompt. 5. Reset app preferences to fix permission bugs by navigating to the main Apps menu, tapping the menu icon, and selecting the reset app preferences option. 6. Keep the system and apps fully updated by checking for system updates in settings and ensuring all installed apps are up to date in the Google Play Store.

Winsage

July 25, 2026

It’s impossible to recommend paid Windows cleanup utilities when Windows Sysinternals does everything for free

Many utility suites for Windows maintenance require a yearly subscription but often only aggregate basic tools. Users can achieve similar results without costs, as Windows manages routine maintenance effectively. Microsoft's Sysinternals suite offers advanced tools like Autoruns, which provides a comprehensive view of startup entries, and Process Explorer, which offers detailed process monitoring. SDelete securely deletes files beyond recovery, while RAMMap provides insights into memory usage without the risks of third-party applications. Although Sysinternals tools may lack polished interfaces, they deliver substantial functionality for users willing to learn how to use them.

Winsage

July 25, 2026

It’s impossible to recommend paid Windows cleanup utilities when Windows Sysinternals does everything for free

Windows utility suites often charge a yearly subscription fee but frequently provide only basic functionalities like startup managers and process monitors. Many features can be accessed for free through Windows' built-in capabilities. Microsoft's Sysinternals suite offers powerful alternatives, such as Autoruns, which provides a comprehensive view of all startup locations, including registry keys and scheduled tasks. Process Explorer offers detailed insights into running processes, surpassing the standard Task Manager by displaying process trees and resource usage. SDelete securely deletes files by overwriting data multiple times, making recovery nearly impossible. While Sysinternals tools are powerful, they require a learning curve and deeper engagement compared to the polished interfaces of paid utilities. Sysinternals emphasizes functionality over marketing, proving that free tools can deliver exceptional performance without compromising quality.