Hello, We are using cache-tier in Read-forward mode (replica 3) for accelerate reads and journals on SSD to accelerate writes. We are using only RBD. Based on the ceph-docs, RBD have bad I/O pattern for cache tier. I'm looking for information about other possibility to accelerate reads on RBD with SSD drives.
The second question, is it any cache tier mode, that replica can be set on 1, for best use of SSD space? Best Regards -- Mateusz Skała
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