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...4-6 files seems to give the best perf on our setup. I don't think we are using sharding on the EC vols, just multiple files and LVM striping. Sharding may be able to avoid the LVM striping, but I bet dollars to doughnuts you won't see this level of perf :) I am working on a blog post for RHHI and RHEV + RHS performance where I am able to in some cases get 2x+ the performance out of VMs / VM storage. I'd be happy to share my data / findings. > * Performance related > ** accessing qemu images using gfapi driver does not perform as well as fuse > access. Need to understand w...

During Gluster Summit, we discussed gluster volumes as storage for VM images - feedback on the usecase and upcoming features that may benefit this usecase. Some of the points discussed * Need to ensure there are no issues when expanding a gluster volume when sharding is turned on. * Throttling feature for self-heal, rebalance process could be useful for this usecase * Erasure coded volumes with

...4-6 files seems to give the best perf on our setup. I don't think we are using sharding on the EC vols, just multiple files and LVM striping. Sharding may be able to avoid the LVM striping, but I bet dollars to doughnuts you won't see this level of perf:) I am working on a blog post for RHHI and RHEV + RHS performance where I am able to in some cases get 2x+ the performance out of VMs / VM storage. I'd be happy to share my data / findings. > Ben, we would like to hear more, so please do share your thoughts further. There are a fair number of users in the community who have t...