While I've not experimented with the most recent versions of SparkSQL, earlier
releases could not cope with intermediate result sets that exceeded the
available memory; Hive handles this sort of situation much more gracefully. If
you have a smallish cluster and large data, this could pose a pro
Alternatively, for hive-site.xml, you can create an empty XML file with just
the header and a set of configuration tags ()
and only fill in those properties that you want to change; Hive will then use
the defaults for everything else. Either approach works.
-Chris Dragga
From: Ritesh Kumar Si
Hi-
I'm using Hive 0.13.1 on Tez and running into an odd null pointer error. If I
run a query of the form
SELECT foo, bar FROM a
UNION ALL
SELECT foo, bar FROM b;
where either a or b is an empty table partitioned on a single key (neither foo
nor bar), Hive exits with the message "FAILED: Null
