select count(*) from tab org.apache.hadoop.hive.ql.exec.mr.MapRedTask. org/apache/hadoop/metrics/Updater

hive> select count(*) from indiv; Query ID = EMMAdmin_20200108131538_4ab7dc88-8e88-4a74-b074-ff6bd058886e Total jobs = 1 Launching Job 1 out of 1 Number of reduce tasks determined at compile time: 1 In order to change the average load for a reducer (in bytes): set hive.exec.reducers.bytes.per.reducer=<number> In order to limit the maximum number of reducers: set hive.exec.reducers.max=<number> In order…

Details