IMO sorting is something the FS shell should do, not the FileSystem. Thanks.
Alejandro On Sat, Nov 5, 2011 at 7:51 PM, Uma Maheswara Rao G 72686 <mahesw...@huawei.com> wrote: > ----- Original Message ----- > From: "M. C. Srivas" <mcsri...@gmail.com> > Date: Sunday, November 6, 2011 3:13 am > Subject: Re: FileSystem contract of listStatus > To: common-dev@hadoop.apache.org > >> 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(). > > globStatus is for pattern matching and listStatus is for listing all the > files in given directory. > >> >> >> >> > >> > 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 >> > > >> >> > > >> > > >> > >> > Regards, > Uma >
