Can ORC fileformat be used in Impala? Also how to access ORC table stored in hive metastore in Impala. Found below documentation link, but it doesn't contain any restricted fileformats list or mention of ORC not supported with impala: http://www.cloudera.com/documentation/enterprise/latest/topics/impala_file_formats.html
ORC is not supported in Impala. Rather, Apache Parquet is the recommend format for best performance.