Network RTT?

> On Apr 4, 2024, at 03:44, Noah Elias Feldt <n.fe...@mittwald.de> 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 as determined by the CRUSH map. How does the client know exactly 
> which OSD I am closest to?
> The client is not in the CRUSH map. I can't find much more information about 
> it. How does this work?
> 
> Thanks
> 
> 
> noah feldt
> infrastrutur
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