update status after i did some tests. I modified some other parameters, found 2
parameters maybe relative.spark_worker_instance and spark.sql.shuffle.partitions
before Today I used default setting of spark_worker_instance and
spark.sql.shuffle.partitions whose value is 1 and 200.At that time ,
...@intel.com;
ssab...@gmail.com; user@spark.apache.org
Subject: 回复：回复：RE: 回复：Re: sparksql running slow while joining_2_tables.
update status after i did some tests. I modified some other parameters, found 2
parameters maybe relative.
spark_worker_instance and spark.sql.shuffle.partitions
before Today I
