[ceph-users] Re: question about rbd_read_from_replica_policy

2024-04-04 Thread Gregory Farnum
On Thu, Apr 4, 2024 at 8:23 AM Anthony D'Atri wrote: > > Network RTT? No, it's sadly not that clever. There's a crush_location configurable that you can set on clients (to a host, or a datacenter, or any other CRUSH bucket), and as long as part of it matches the CRUSH map then it will feed IOs

[ceph-users] Re: question about rbd_read_from_replica_policy

2024-04-04 Thread Anthony D'Atri
Network RTT? > On Apr 4, 2024, at 03:44, Noah Elias Feldt wrote: > > Hello, > I have a question about a setting for RBD. > How exactly does "rbd_read_from_replica_policy" with the value "localize" > work? > According to the RBD documentation, read operations will be sent to the > closest OSD