Hello, On Sat, May 25, 2019 at 01:03:56PM +0800, Xuehan Xu wrote: > However, Ilya Dryomov pointed out, in another thread in the mailing > list ceph-devel, that the blkio controller is supposed to handle any > io now. We now think maybe we should try to leverage the blkio > controller to implement the cephfs io limiting mechanism. Am I right > about this? Thanks:-) Hmmm... io.latency works only if the IOs pass through a request_queue. Given the transport is network, would it make more sense to control from network side? Thanks. -- tejun