1. herzkerl

    Ceph OSD block.db on NVMe / Sizing recommendations and usage

    Dear community, the HDD pool on our 3 node Ceph cluster was quite slow, so we recreated the OSDs with block.db on NVMe drives (Enterprise, Samsung PM983/PM9A3). The sizing recommendations in the Ceph documentation recommend 4% to 6% of 'block' size: block.db is either 3.43% or around 6%...


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