2013/3/21 Sebastien Han <[email protected]> > Hi, > > Storing the image as an object with RADOS or RGW will result as a single > big object stored somewhere in Ceph. However with RBD the image is spread > across thousands of objects across the entire cluster. At the end, you get > way more performance by using RBD since you intensively use the entire > cluster, with the object solution you only request one big object from a > single machine so you get less performance. >
AFAIK using RGW or RBD should be the same as object placement on cluster. RGW is only a REST gateway for librados, so an object created by RGW should be spreaded across cluster as for RBD and CephFS......
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