On Thu, Nov 3, 2011 at 4:27 AM, Uma Maheswara Rao G 72686 < mahesw...@huawei.com> wrote:
> Yes, i remember this issue filed by Harsh recently. > GlobStatus will sort the results and return. May be we can fix for > listStatus in the same way. > Not a good idea to sort needlessly. That's why we have globStatus() and listStatus() ... those who want a sorted list can use globStatus(). > > Regards, > Uma > ----- Original Message ----- > From: Harsh J <ha...@cloudera.com> > Date: Thursday, November 3, 2011 7:52 am > Subject: Re: FileSystem contract of listStatus > To: common-dev@hadoop.apache.org > > > Perhaps fixes against this can be covered as part of > > https://issues.apache.org/jira/browse/HADOOP-7659 > > > > On 03-Nov-2011, at 5:44 AM, Ted Dunning wrote: > > > > > 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 > > >> > > > > >
