I thought that Ceph evenly distribute client request among replications. But I've seen example rule set that assign primary replication for ssd and other two for hdd. Can i assign something like read affinity for replication? Or Ceph always choose primary replication first except the primary crashes? If that so, Can i evenly distribute among replications? That will be very helpful for traffic distribution. I can't find documents or article about prioritization until now.
Thanks in advance for any help.
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