> > Some native tables have “local” prefix such as local_city_table, are they > on local file system or on hdfs system? > The prefix is according to the naming convention: http://lens.apache.org/user/olap-cube.html#Storage_table
> If they are on hdfs system, but I can not find them through “ hadoop fs > –ls command” command. > > As for where they are, they are on the hive metastore. If you're running in default setup, look for property hive.metastore.warehouse.dir in lens server's lens-site.xml. That is where the metastore should be. > > > Another strange thing is , lens use “INSERT OVERWRITE DIRECTORY” to write > results to hdfs , not use “INSERT OVERWRITE local DIRECTORY”, but why > result is on local file system not on hdfs? > > Look at ResultFormatter. As soon as result is available on hdfs, it is formatted and made available on local fs.
