pap-cache Intel Xeon E5-2648L v2 testing on FreeBSD via the Phoronix Test Suite. no-slog: Processor: Intel Xeon E5-2648L v2 @ 1.90GHz (40 Cores), Motherboard: Supermicro PIO-617R-TLN4F+-ST031 0123456789, Memory: 128GB, Disk: Generic NVMe Device OS: FreeBSD, Kernel: 11.3-RELEASE-p7 (x86_64), Compiler: Clang 8.0.0 (SVN 356365), File-System: zfs with-slog: Processor: Intel Xeon E5-2648L v2 @ 1.90GHz (40 Cores), Motherboard: Supermicro PIO-617R-TLN4F+-ST031 0123456789, Memory: 128GB, Disk: Generic NVMe Device OS: FreeBSD, Kernel: 11.3-RELEASE-p7 (x86_64), Compiler: Clang 8.0.0 (SVN 356365), File-System: zfs IOzone 3.465 Record Size: 1MB - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better no-slog ... 6032.41 |========================================================== with-slog . 5637.67 |====================================================== IOzone 3.465 Record Size: 1MB - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better no-slog ... 4921.39 |========================================================== with-slog . 4597.14 |====================================================== IOzone 3.465 Record Size: 1MB - File Size: 8GB - Disk Test: Read Performance MB/s > Higher Is Better no-slog ... 3309.30 |========================================================== with-slog . 3202.85 |======================================================== IOzone 3.465 Record Size: 1MB - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better no-slog ... 81.71 |===== with-slog . 891.10 |=========================================================== IOzone 3.465 Record Size: 1MB - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better no-slog ... 81.55 |===== with-slog . 885.31 |=========================================================== IOzone 3.465 Record Size: 1MB - File Size: 8GB - Disk Test: Write Performance MB/s > Higher Is Better no-slog ... 81.71 |===== with-slog . 884.19 |=========================================================== IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better no-slog ... 5908.39 |===================================================== with-slog . 6425.78 |========================================================== IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better no-slog ... 83.66 |====== with-slog . 892.61 |===========================================================