I think that the API docs actually say globStatus is ordered and leave the ordering semantics for listStatus undefined.
http://hadoop.apache.org/common/docs/r0.20.2/api/org/apache/hadoop/fs/FileSystem.html#globStatus(org.apache.hadoop.fs.Path) http://hadoop.apache.org/common/docs/r0.20.2/api/org/apache/hadoop/fs/RawLocalFileSystem.html#listStatus(org.apache.hadoop.fs.Path) On Wed, Nov 2, 2011 at 4:57 PM, Noah Watkins <jayh...@soe.ucsc.edu> wrote: > ----- Original Message ----- > > From: "Eli Collins" <e...@cloudera.com> > > > > RawLocalFileSystem uses Java's File#list which has "no guarantee that > > the name strings in the resulting array will appear in any specific > > order; they are not, in particular, guaranteed to appear in > > alphabetical order.", however the FSContractBaseTest isn't run against > > local file systems which is why it probably never came up. > > Thanks Eli. We are cleaning up the unit tests for Ceph and the unit tests > use an emulation layer built on top of the local FS. We ran into this > ordering > issue. Getting a fix to this would be nice. > > Thanks! > -Noah >
