Correct reduce the dfs.block.size to increase the number of mappers. - Jagaran
________________________________ From: Mark question <[email protected]> To: common-user <[email protected]> Sent: Mon, 6 June, 2011 7:31:17 PM Subject: Reducing Mapper InputSplit size Hi, Does anyone have a way to reduce InputSplit size in general ? By default, the minimum size chunk that map input should be split into is set to 0 (ie.mapred.min.split.size). Can I change dfs.block.size or some other configuration to reduce the split size and spawn many mappers? Thanks, Mark
