Thursday, 12 September 2019, 17.16 +0200 from Paul Emmerich <paul.emmerich@xxxxxxxx>:
Yeah, CephFS is much closer to POSIX semantics for a filesystem than
NFS. There's an experimental relaxed mode called LazyIO but I'm not
sure if it's applicable here.
You can debug this by dumping slow requests from the MDS servers via
the admin socket
Is lazy IO supported by the kernel client? if so which version kernel?
Jesper
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