Hello Everyone
While triggering following insert query insert into table orders_sequence select * from orders_another;
i am getting following error messages.
FAILED: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.mr.MapRedTask
My objectives here is to enable the compression on hive and check the fille size after compression. But the problem here is after enabling compression performing insert command is not working. I have attached the screenshot below where you can find the detail steps that i have trigger for enabling the compression and the error that has occured after insert command.
Any help will be highly appreciated.
Note : Issue occurs after below mentioned command is trigger where i have simply enable mapreduce, changed the compression to Snappy and enabled compression. After this, when i run insert command which is mentioned below it shows an FAILED error which is highlighted with red circle
I even checked following status as well
hive> set mapred.reduce.tasks;
mapred.reduce.tasks=-1
hive> set hive.exec.reducers.max;
hive.exec.reducers.max=1009
hive> set hive.exec.reducers.bytes.per.reducer;
hive.exec.reducers.bytes.per.reducer=256000000
hive> set mapred.tasktracker.reduce.tasks.maximum;
mapred.tasktracker.reduce.tasks.maximum=2
hive>
hive> set hive.auto.convert.join;
hive.auto.convert.join=true
hive> set hive.auto.convert.join=false;
hive> set hive.auto.convert.join;
hive.auto.convert.join=false
hive> set hive.auto.convert.join=true;
hive> set hive.exec.dynamic.partition;
hive.exec.dynamic.partition=true
hive> set hive.exec.dynamic.partition.mode;
hive.exec.dynamic.partition.mode=strict
hive> set hive.exec.dynamic.partition.mode=nonstrict;
hive> set hive.exec.dynamic.partition.mode;
hive.exec.dynamic.partition.mode=nonstrict
hive>
