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vm:proxmox:ceph:performance [2025/11/01 10:26] – niziakvm:proxmox:ceph:performance [2025/11/01 10:36] (current) – niziak
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   * net latency <200us (''ping -s 1000 pve'')   * net latency <200us (''ping -s 1000 pve'')
   * [[https://ceph.io/en/news/blog/2024/ceph-a-journey-to-1tibps/|Ceph: A Journey to 1 TiB/s]]   * [[https://ceph.io/en/news/blog/2024/ceph-a-journey-to-1tibps/|Ceph: A Journey to 1 TiB/s]]
-    * Ceph is incredibly sensitive to latency introduced by CPU c-state transitions. Set ''Max perf'' in BIOS to disable C-States or boot Linux with ''RUB_CMDLINE_LINUX="idle=poll intel_idle.max_cstate=0 intel_pstate=disable processor.max_cstate=1" ''+    * Ceph is incredibly sensitive to latency introduced by CPU c-state transitions. Set ''Max perf'' in BIOS to disable C-States or boot Linux with ''GRUB_CMDLINE_LINUX="idle=poll intel_idle.max_cstate=0 intel_pstate=disable processor.max_cstate=1" ''
     * Disable IOMMU in kernel     * Disable IOMMU in kernel