You can use FileSystem.getFileStatus(Path p) which gives you the block size specific to a file.
On Tue, Feb 28, 2012 at 2:50 AM, Kai Voigt <k...@123.org> wrote: > "hadoop fsck <filename> -blocks" is something that I think of quickly. > > http://hadoop.apache.org/common/docs/current/commands_manual.html#fsckhas > more details > > Kai > > Am 28.02.2012 um 02:30 schrieb Mohit Anchlia: > > > How do I verify the block size of a given file? Is there a command? > > > > On Mon, Feb 27, 2012 at 7:59 AM, Joey Echeverria <j...@cloudera.com> > wrote: > > > >> dfs.block.size can be set per job. > >> > >> mapred.tasktracker.map.tasks.maximum is per tasktracker. > >> > >> -Joey > >> > >> On Mon, Feb 27, 2012 at 10:19 AM, Mohit Anchlia <mohitanch...@gmail.com > > > >> wrote: > >>> Can someone please suggest if parameters like dfs.block.size, > >>> mapred.tasktracker.map.tasks.maximum are only cluster wide settings or > >> can > >>> these be set per client job configuration? > >>> > >>> On Sat, Feb 25, 2012 at 5:43 PM, Mohit Anchlia <mohitanch...@gmail.com > >>> wrote: > >>> > >>>> If I want to change the block size then can I use Configuration in > >>>> mapreduce job and set it when writing to the sequence file or does it > >> need > >>>> to be cluster wide setting in .xml files? > >>>> > >>>> Also, is there a way to check the block of a given file? > >>>> > >> > >> > >> > >> -- > >> Joseph Echeverria > >> Cloudera, Inc. > >> 443.305.9434 > >> > > -- > Kai Voigt > k...@123.org > > > > > -- Join me at http://hadoopworkshop.eventbrite.com/
