Den mån 18 juni 2018 kl 14:55 skrev Marc Boisis <[email protected]>:
> Hi, > > I want to export rbd over nfs in a 10Gb network. Server and Client are > DELL R620 with 10Gb nics. > > NFS client write bandwith on the rbd export is only 233MB/s. > > > My conclusion: > - rbd write performance is good > - nfs write permormance is good > - nfs write on rbd performance is bad > > > If you write to a pool with 3x replication over 10GE, then it will need to ship data 3 times over 10GE to finalize the write, so 350MB/s sounds like a theoretical maximum in terms of a single writer. -- May the most significant bit of your life be positive.
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