No, it does not. We rebuild metadata for all directories under mydata when you query /mydata. If new files get added anywhere in the whole hierarchy, metadata gets regenerated for all of them.
However, if you query only /mydata/3 and nothing is changed under 3, no metadata is generated. Thanks Padma > On Oct 16, 2017, at 12:33 PM, François Méthot <fmetho...@gmail.com> wrote: > > Thanks Padma, > > Would we benefits at all from running metadata on directories that we know > we will never modify? > > We would end up with: > /mydata/3/(Metadata generated...) > /mydata/4/(Metadata generated...) > /mydata/.../(Metadata generated...) > /mydata/109/(Metadata generated...) > /mydata/110/(Current partition : Metadata NOT generated yet...) > > When users query /mydata, would drill take advantage of the metadata > available in each subfolder? > > Francois
