hello cepher! I have a problem like this : I want to config a cache
tiering to my ceph with writeback mode.In ceph-0.94,it runs ok. IO is First
through hot-pool. then it flush to cold-pool. But in ceph-10.2.2,it doesn't
like tihs. IO wrties to hot-pool and cold-pool at the same time. I think it is
be associated with "proxy". So how to config a cache tiering in ceph-10.2.2
to Improve IO performance as much as possible ? how to use the proxy in
cache tiering ?
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