On Thu, May 23, 2019 at 06:44:12AM +0000, xxhdx1985126@xxxxxxxxx wrote: > From: Xuehan Xu <xuxuehan@xxxxxx> > > this controller is supposed to facilitate limiting > the metadata ops or data ops issued to the underlying > cluster. Replied on the other post but I'm having a hard time seeing why this is necessary. Please explain in detail. Thanks. -- tejun