Florin, Right, all that info is gettable via the FileStatus objects for a given Path.
On Fri, Jul 29, 2011 at 11:55 AM, Florin P <florinp...@yahoo.com> wrote: > Hello! > Thank you for your answers. I'm using 0.20 API. > My request are per file, and I would like to have the same results that are > displayed in the when you are using the web interface for browsing the file > system (brosweBlock.jsp page). > Regards, > Florin > > P.S. My results should look like this > > > filename filesize blocks machine_block_replication > > --- On Thu, 7/28/11, Harsh J <ha...@cloudera.com> wrote: > >> From: Harsh J <ha...@cloudera.com> >> Subject: Re: How to obtain block information of a HDFS file? >> To: hdfs-user@hadoop.apache.org >> Date: Thursday, July 28, 2011, 10:10 AM >> Hello, >> >> What version of Hadoop are you using? >> >> On Thu, Jul 28, 2011 at 6:03 PM, Florin P <florinp...@yahoo.com> >> wrote: >> > Hello! >> > I would like to know how to obtain for a file (via >> Java API) the following information >> > - how many blocks occupies in the HDFS >> >> Is this request per file? or overall? [If overall, I think >> metrics are >> your best bet] >> >> > -which are the machines where the blocks were >> replicated >> >> If this request is per-file, then >> FileSystem#getBlockLocations(…) API >> can help you. Just request it over the entire size of the >> file >> (FileStatus information can be got via >> FileSystem#getFileStatus(…)) >> >> -- >> Harsh J >> > -- Harsh J
