Hi, I downloaded hadoop src  2.3 (from http://mir2.ovh.net/ftp.apache.org/dist/hadoop/common/hadoop-2.3.0/), compile it to run under 64bits, and used the following method for setting the input split size     public static void setMaxInputSplitSize(Job job,                                           long size) {     job.getConfiguration().setLong(SPLIT_MAXSIZE, size);   }     best ... View more