On 12/1/21 11:19, Frank Schilder wrote:
Hi Szabo,
no, I didn't. I deployed 4 OSDs per drive and get maybe 25-50% of their performance out. The kv_sync thread is the bottleneck.
Are you running Pacific? Have you tried RocksDB sharding [1]?
I haven't tried this myself yet, but I'm planning on testing Ceph with
SPDK [2].
Gr. Stefan
[1]:
https://docs.ceph.com/en/latest/rados/configuration/bluestore-config-ref/#rocksdb-sharding
[2]:
https://docs.ceph.com/en/latest/rados/configuration/bluestore-config-ref/#spdk-usage
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