hadoop fs -setrep Sent from my iPhone
On Jun 6, 2011, at 12:09 PM, "J. Ryan Earl" <o...@jryanearl.us> wrote: > Hello, > > So I have a question about changing dfs.block.size in > $HADOOP_HOME/conf/hdfs-site.xml. I understand that when files are created, > blocksizes can be modified from default. What happens if you modify the > blocksize of an existing HDFS site? Do newly created files get the default > blocksize and old files remain the same? Is there a way to change the > blocksize of existing files; I'm assuming you could write MapReduce job to do > it, but any build in facilities? > > Thanks, > -JR > >
