Egor Pahomov created SPARK-18931:
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Summary: Create empty staging directory in partitioned table on
insert
Key: SPARK-18931
URL: https://issues.apache.org/jira/browse/SPARK-18931
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 2.0.2
Reporter: Egor Pahomov
CREATE TABLE temp.test_partitioning_4 (
num string
)
PARTITIONED BY (
day string)
stored as parquet
On every
INSERT INTO TABLE temp.test_partitioning_4 PARTITION (day)
select day, count(*) as num from
hss.session where year=2016 and month=4
group by day
new directory
".hive-staging_hive_2016-12-19_15-55-11_298_3412488541559534475-4" created on
HDFS. It's big issue, because I insert every day and bunch of empty dirs on
HDFS is very bad for HDFS.
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