Impala can't access all hive table

Question

I try to query hbase data through hive (I\'m using cloudera). I did a fiew hive external table pointing to hbase but the thing is Cloudera\'s Impala doesn\'t have an access

Answer 1

Though the INVALIDATE METADATA command in impala works it is documented to be expensive, in recent versions it is now possible to invalidate the metadata of just 1 table, which will have less impact:

INVALIDATE METADATA mynewtable

Alternately, if you use HUE, there is also a less expensive option available. Which may be convenient if you have added multiple new tables: