On Thu, Nov 29, 2018 at 10:20 PM Nikolaus Rath <Nikolaus@xxxxxxxx> wrote: > > Hello, > > I am seeing an unexpectedly large number of getattr() and lookup() > requests being sent to userspace fuse. I am setting a very large > attr_timeout and entry_timeout, so I would have expected that the > maximum number of getattr() and lookup() requests is capped by the > number of distinct files in the filesystem plus the number of forget > requests. > > However, actual numbers are much higher. For example, when running tests > on a filesystem with 2960 directory entries, I am getting scenarios > with 203447 lookup requests, 12970 getattr requests, and zero forget > requests. > > Did I misunderstand something about how dentry and attribute caching > works? Debug log might be useful. Thanks, Miklos
