What input format are you using in Hive? (It should be the one specified by the hive.input.format setting.)
-----Original Message----- From: 牛兆捷 [mailto:nzjem...@gmail.com] Sent: Sunday, July 17, 2011 10:26 PM To: dev@hive.apache.org Subject: number of maptasks of hive Does hive split input table file according the ways hadoop provides which a file is splitted by block size? Then the number of map tasks is decided by the split size. But I have a table file which size is 196MB,my hdfs block size is 64MB,but I only see 3 map tasks in my web interface.What is the reason?