TPM

Tech Optimizer
May 21, 2025
Upgrading to Graviton4-based R8g instances with Aurora PostgreSQL-Compatible 17.4 in an Aurora I/O-Optimized cluster configuration results in significant performance improvements. The new instances provide up to 1.7 times higher write throughput, 1.38 times better price-performance, and reduce commit latency by up to 46% on r8g.16xlarge instances and 38% on r8g.2xlarge instances compared to Graviton2-based R6g instances. The Amazon Aurora PostgreSQL-Compatible Edition now supports AWS Graviton4-based R8g instances and PostgreSQL 17.4, which introduces performance enhancements for I/O-Optimized configurations, optimizing write operations and batch processing. R8g instances offer up to 192 vCPUs and 1.5 TB of memory, supporting larger configurations and providing up to 50 Gbps of network bandwidth. PostgreSQL 17 includes vacuum improvements, eliminates the need to drop logical replication slots during upgrades, and expands SQL/JSON standards. Aurora PostgreSQL-Compatible separates compute from storage, enabling independent scaling and maintaining six-way replication for durability, while processing changes as log records to reduce I/O operations. Performance benchmarks using HammerDB show improvements in throughput and commit latency across various workloads. For small workloads on 2xlarge instance size, throughput increased by 50.25% and commit latency improved by 33.87%. For medium workloads on 16xlarge instance size, throughput increased by 30% and commit latency improved by 17.44%. The most significant performance benefits arise from combining hardware upgrades from Graviton2 to Graviton4 with database engine upgrades from PostgreSQL 15.10 to 17.4. For small workloads, throughput increased by 70% and commit latency improved by 38.71%. For medium workloads, throughput increased by 70% and commit latency improved by 46.67%. Cost efficiency is also enhanced, with a 38% improvement in price performance and a 61.26% improvement in price-performance ratio when comparing Graviton2 and Graviton4 instances. Reserved Instances for Graviton4-based R8g instances offer additional cost-optimization opportunities.
Winsage
May 21, 2025
Windows 11 Pro is available for .97 until June 1, marking its lowest price ever (regularly priced at 9). It offers features like DirectX 12 Ultimate for enhanced gaming performance, Windows Copilot for AI assistance, and robust security features including BitLocker encryption and secure boot. Additional features include Snap Layouts, Virtual Desktops, Remote Desktop Access, Hyper-V, and Microsoft Teams integration.
Tech Optimizer
May 20, 2025
Databases are essential for organizations, and their performance is critical to user experience and operational efficiency. AWS introduced Amazon Elastic Block Store (Amazon EBS) io2 Block Express in December 2020 to address performance issues related to storage latency during database operations. This solution enhances storage management for high-performance database servers, supporting up to 256,000 IOPS and 4,000 MiB/s throughput per volume, with a maximum volume size of 64 TiB and sub-millisecond disk I/O latency. A performance comparison was conducted between PostgreSQL databases on Amazon EBS gp3 and io2 Block Express, utilizing the HammerDB benchmarking tool. The analysis involved four tests: OLTP Load test, OLTP Stress test, OLAP Load test, and OLAP Stress test, using r5b.24xlarge EC2 instances. Results indicated that io2 Block Express outperformed gp3 by 2.08 times in transactions per minute (TPM) and provided significantly lower latency for both OLTP and OLAP workloads. Key differences between gp3 and io2 Block Express include durability, with io2 offering 99.999% durability compared to gp3's 99.8% – 99.9%. The maximum IOPS for gp3 is 16,000, while io2 supports up to 64,000 IOPS. Pricing for gp3 is approximately ,375.36/month, while io2 Block Express costs around ,408/month, reflecting its premium performance capabilities. In benchmarking tests, io2 Block Express demonstrated superior performance, achieving 3.95 times faster average performance than gp3 across all scenarios. It is particularly suitable for mission-critical applications requiring consistent sub-millisecond latency and high durability.
Winsage
May 17, 2025
Upgrading from Windows 11 Home to Windows 11 Pro does not yield significant benefits in gaming performance, compatibility, or features for most gamers. Both editions provide identical gaming performance, supporting the same core gaming technologies such as DirectStorage, Auto HDR, and Game Mode. Windows 11 Home supports up to 128 GB of RAM and one CPU socket with 64 cores, while Windows 11 Pro supports up to 2 TB of RAM and two CPU sockets with 128 cores. Pro includes additional features like BitLocker encryption, Remote Desktop hosting, Hyper-V virtualization, and Group Policy management, which are not typically utilized by gamers. The price of Windows 11 Home is lower than that of Pro, making it a more cost-effective choice for gaming. Both editions meet the hardware requirements for modern gaming, and compatibility with major games and platforms is consistent across both versions.
Winsage
May 15, 2025
Windows 11 requires TPM 2.0 support for installation, creating compatibility issues for users with older hardware, even if the hardware is otherwise capable of running the OS. Many users are still on Windows 10 as the support deadline approaches, with some considering Linux as an alternative since it does not impose TPM 2.0 restrictions. Linux distributions can be installed on machines lacking TPM 2.0, allowing users to retain their existing hardware. Older CPUs, typically from Intel's 7th generation or earlier, are often incompatible with Windows 11 but can run Linux efficiently, sometimes improving application performance. Linux offers more customization and less bloat compared to Windows, appealing to users frustrated with Windows 11's limitations. The shift to Windows 11 has prompted some users to explore Linux as a viable alternative.
Winsage
May 12, 2025
Microsoft is ending support for Windows 10 and encouraging users to upgrade to Windows 11 Pro, which is currently available for .97, down from 9. This offer is time-sensitive with a limited number of codes available. Windows 11 Pro enhances PC performance, features a redesigned user interface, and introduces productivity tools like snap layouts and improved search functionality. It also includes advanced security measures such as Smart App Control, TPM 2.0, and BitLocker encryption, as well as gaming enhancements through DirectX12 Ultimate. Additionally, it offers professional tools for remote work, including remote desktop access and features like Azure AD and Hyper-V.
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