https://blog.5glinux.com/tags/ceph/Recent content in Ceph on 5glinuxhttps://blog.5glinux.com/images/og-default.jpghttps://blog.5glinux.com/images/og-default.jpgHugoen-usThu, 05 Nov 2026 00:00:00 +0000https://blog.5glinux.com/posts/vm-storage-performance-settings-benchmark-suse-virtualization/Thu, 05 Nov 2026 00:00:00 +0000https://blog.5glinux.com/posts/vm-storage-performance-settings-benchmark-suse-virtualization/I benchmarked every VM disk performance setting SUSE Virtualization 1.9.1 exposes, on local LVM and on Ceph RBD. The High Performance profile cuts write latency by about 40% on local storage, a supplemental I/O thread pool multiplies random-read IOPS by up to 2.4×, and the host page-cache modes are the ones to avoid.