slow ceph

  1. K

    Expected Ceph performance?

    Hi, What is the 'normal/expected' VM disk performance on Ceph? In this instance, it's; - 4 x nodes each with 1 x NVMe (3000MB/s ish) - Dedicated Ceph network - 20G bonded links between nodes/switch (iperf 17.5Gbit/s) - MTU jumbo Here is an example rdb bench test (lowest 289 MiB/s)...
  2. H

    pool ceph very slow write

    tenho um sistema com 3 nós e 1 OSD em cada nó. Velocidade muito lenta, principalmente escrita CrystalDiskMask ~600MBs leitura / ~30MBs escrita. Coloquei DB Disk com 2% e WAL Disk com 10% No Pool_HDD em questão, tem apenas uma VM de teste. O problema também acontece no pool_ssd. Porém tem VMs...
  3. T

    Slow performance in Ceph

    hey, i have set up a Cluster with 3 nodes, Its old hardware i know and i dont awaiting rocktspeed but a write sped in Ceph is a bit slow i thing, i have: 1 - Node 40 x Intel(R) Xeon(R) CPU E5-2650L v2 2 - 16 x Intel(R) Xeon(R) CPU E5620 3 - 24 x Intel(R) Xeon(R) CPU...
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