...
See Statistics in Hive for information about how to collect and use Hive table, partition, and column statistics.
hive.stats.dbclass
- Default Value:
jdbc:derby
(Hive 0.7 to 0.12) orfs
(Hive 0.13 and later) - Added In: Hive 0.7 with HIVE-1361
- New Values:
counter
andcustom
added in 0.13 with HIVE-4632 andfs
added in 0.13 with HIVE-6500
...
Hive 0.13 and later: The storage that stores temporary Hive statistics. In filesystem based statistics collection ("fs
"), each task writes statistics it has collected in a file on the filesystem, which will be aggregated after the job has finished. Supported values are fs
(filesystem), jdbc:<database>
where (where <database>
can be derby
, mysql
, etc.), hbase
, counter
, and custom
as defined in StatsSetupConst.java.
...