Re: [ceph-users] Configuration about using nvme SSD

I have tried to devide an nvme disk into four partitions. However, no significant improvement was found in performance by rados bench. nvme with partition: 1 node 3 nvme 12 osd, 166066 iops in 4K read nvme without partition: 1 node 3 nvme 3 osd 163336 iops in 4K read My ceph version is 12.2.4. What

[ceph-users] Configuration about using nvme SSD

Hi ~ We have used nvme ssd as storage medium, and found that the hardware performance was not well developed. Should we change some parameter? And bluestore provides NVMEDevice using SPDK to optimize performance, dose anyone know if this module is stable? Our hardware configuration is 8 nvme SS

[ceph-users] How to use the feature of "CEPH_OSD_FALG_BALANCE_READS" ?

Hi~ I want to turn on the "CEPH_OSD_FALG_BALANCE_READS" flag to optimize read performance. Do I just need to set flag in librados API and is there any other problems? ___ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinf

Re: [ceph-users] ceph-users Digest, Vol 68, Issue 29

Hello all: 1 I want to use mClockClientQueue to restrict background operations like scrub and recovery，but official documents say this is still in the experimental stage, so I would like to ask if there are any problems with actual use. 2 I want to subscribe ceph-devel group and I have sent an emai