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vm:proxmox:ceph:guest_performance [2023/01/19 12:00] – created niziakvm:proxmox:ceph:guest_performance [2023/06/01 14:24] (current) – niziak
Line 1: Line 1:
 ====== Guest performance ====== ====== Guest performance ======
 +
 +===== Tips =====
 +
 +The best results for Windows guest:
 +  * HDD (no SSD)
 +    * probably CEPH better handles bunch of ordered requests (like for rotational drives)
 +  * no DISCARD
 +    * very poor performance with DISCARD
 +
 +
 +===== todo =====
  
 Ext4 is extremely slow on RBD block device. Ext4 is extremely slow on RBD block device.