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Tech Optimizer
July 18, 2025
pg_stat_statements is a PostgreSQL extension for monitoring query statistics, tracking execution counts, execution times, and row returns. It uses a hash table to store metrics for each query, identified by a key generated from four parameters: queryid, User OID, Database OID, and a toplevel flag. The extension can become a performance hindrance in high contention environments due to locking operations on the hash table. When numerous unique queries are executed, contention for the hash table can lead to significant performance drops. For example, with pg_stat_statements enabled, a system with 48 CPUs showed a TPS drop from 237,437 to 32,112 when executing unique queries. In contrast, with a high volume of similar queries on a 192 CPU machine, enabling pg_stat_statements resulted in a TPS of 484,338 compared to 1,015,425 with it disabled. Query sampling is introduced as a method to mitigate performance issues by recording metrics for only a fraction of executed queries. The pg_stat_statements.sample_rate parameter allows configuration of the proportion of queries tracked. However, sampling can lead to incomplete data and potential security risks if sensitive information is recorded in non-normalized form. Benchmark tests with varying sample_rate values showed that as the sample_rate decreased, TPS increased, and SpinDelay diminished. At a sample_rate of 1.0, TPS was lowest, while at 0.25 and below, SpinDelay effectively disappeared, indicating that sampling can significantly enhance performance under high contention conditions.
Winsage
July 7, 2025
The upcoming Windows 11 25H2 update will introduce a new policy called the Remove Default Microsoft Store Packages, which allows users to remove unwanted Microsoft applications in a single action through Group Policy. This feature aims to simplify the process of debloating Windows 11, which has historically been cumbersome. Users can find this setting under Computer Configuration > Administrative Templates > Windows Components > App Package Deployment. The policy currently supports the removal of various Microsoft applications but does not extend to third-party software. While initial tests show the policy functions as intended, further refinement is needed to address issues like orphaned shortcuts. This feature will not be available to Windows 11 Home users.
Winsage
July 7, 2025
Microsoft has rolled out update KB5001716, targeting Windows 10 (versions 21H2, 22H2) and Windows 11 (version 21H2) systems. This update refreshes the Windows Update Service components without introducing new features or security patches. It provides notifications about potential issues that may prevent devices from staying up-to-date, particularly regarding the end of support for Windows 10 on October 14, 2025. The update is automatically distributed via Windows Update and is designed to enhance user experience by not disrupting full-screen activities. Users may encounter installation failures associated with error code 0x80070643, which can be resolved by uninstalling the previous version and reinstalling the latest one. The update aims to encourage users to upgrade to Windows 11 or consider alternatives before support ends.
Winsage
July 4, 2025
Windows 11 has surpassed Windows 10 in market share, reaching 50.24 percent compared to Windows 10's 46.84 percent as of July, according to StatCounter. A year ago, Windows 10 held a 66.04 percent share while Windows 11 had 29.75 percent. The end of support for Windows 10 on October 14, 2025, is prompting businesses to upgrade, with many preparing for the transition to Windows 11. Daniel Bowker from Phoenix noted that they are 80 percent prepared for the transition, with the remaining 20 percent needing investment in Extended Security Updates or alternative solutions like Windows 365. Canalys indicated that the increase in Windows 11 adoption is driven by enterprise activity rather than consumer demand, as IT administrators upgrade systems rather than consumers purchasing new hardware.
Winsage
July 3, 2025
A recent update, KB5001716, is being rolled out to Windows 10 devices, targeting versions 22H2 and 21H2, and some Windows 11 21H2 machines. This update does not address bugs or enhance performance but focuses on notifying users about the upcoming end of support for Windows 10 on October 14, 2025. It operates quietly in the background without impacting system performance or introducing bugs, ensuring that critical tasks remain unaffected. Some users have experienced installation issues if a previous version of the update is present; they can resolve this by uninstalling the existing version and attempting a fresh installation.
Winsage
July 1, 2025
Microsoft's initiatives to transition from Windows 10 to Windows 11 have faced criticism from privacy advocates regarding the environmental impact of obsolete PCs. The company announced that the first year of Extended Security Updates (ESU) would be free for individual consumers, but users must either sync their settings to the cloud or redeem Microsoft Rewards points to qualify. Lucas Rockett Gutterman from PIRG criticized the limited options, noting that many Windows 10 PCs cannot upgrade to Windows 11. While Microsoft has made some concessions, such as affordable pricing for schools, it has not committed to extending support for Windows 10 or easing hardware requirements for Windows 11. In 2023, PIRG petitioned Microsoft to extend Windows 10's life, as support for many editions ends in October 2025. Commercial customers will still incur fees for ESU, which are expected to increase in subsequent years. ControlUp's Windows 11 Readiness Report indicates that 50 percent of enterprise Windows endpoints have not migrated to Windows 11, a decrease from over 82 percent the previous year. Migration rates vary by sector, with healthcare lagging behind.
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