On Aug 27, 2011, at 12:42 PM, Ted Dunning wrote: > There is no way to do this for standard Apache Hadoop.
Sure there is. You can build a custom conf dir and point it to that. You *always* have that option for client settable options as a work around for lack of features/bugs. 1. Copy $HADOOP_CONF_DIR or $HADOOP_HOME/conf to a dir 2. modify the hdfs-site.xml to have your new block size 3. Run the following: HADOOP_CONF_DIR=mycustomconf hadoop dfs -put file dir Convenient? No. Doable? Definitely.