set hive.enforce.bucketing=true;
set hive.enforce.sorting=true;
set hive.exec.dynamic.partition.mode=nonstrict;
set hive.exec.max.dynamic.partitions.pernode=100000;
set hive.exec.max.dynamic.partitions=100000;
set hive.exec.max.created.files=1000000;
set hive.exec.parallel=true;
set hive.exec.reducers.max=2000;
set hive.stats.autogather=true;

set mapred.job.reduce.input.buffer.percent=0.0;
set mapreduce.input.fileinputformat.split.minsizee=240000000;
set mapreduce.input.fileinputformat.split.minsize.per.node=240000000;
set mapreduce.input.fileinputformat.split.minsize.per.rack=240000000;

-- set mapred.map.child.java.opts=-server -Xmx2800m -Djava.net.preferIPv4Stack=true;
-- set mapred.reduce.child.java.opts=-server -Xms1024m -Xmx3800m -Djava.net.preferIPv4Stack=true;
-- set mapreduce.map.memory.mb=3072;
-- set mapreduce.reduce.memory.mb=4096;
-- set io.sort.mb=800;