This is a known issue as far as I can tell, I've read about it several times. Ceph performs great (using radosgw), but as the OSDs fill up performance falls sharply. I am down to half of empty performance with about 50% disk usage.
My questions are: does adding more OSDs / disks to the cluster restore performance? (Is it the absolute number of objects that degrades performance, or % occupancy?) And, will the performance level off at some point, or will it continue to get lower and lower as our disks fill?
Thank you
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