[
https://issues.apache.org/jira/browse/HIVE-17182?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
liyunzhang_intel updated HIVE-17182:
------------------------------------
Description:
on TPC-DS 200g scale store_sales
use "describe formatted store_sales" to view the statistics
{code}
hive> describe formatted store_sales;
OK
# col_name data_type comment
ss_sold_time_sk bigint
ss_item_sk bigint
ss_customer_sk bigint
ss_cdemo_sk bigint
ss_hdemo_sk bigint
ss_addr_sk bigint
ss_store_sk bigint
ss_promo_sk bigint
ss_ticket_number bigint
ss_quantity int
ss_wholesale_cost double
ss_list_price double
ss_sales_price double
ss_ext_discount_amt double
ss_ext_sales_price double
ss_ext_wholesale_cost double
ss_ext_list_price double
ss_ext_tax double
ss_coupon_amt double
ss_net_paid double
ss_net_paid_inc_tax double
ss_net_profit double
# Partition Information
# col_name data_type comment
ss_sold_date_sk bigint
# Detailed Table Information
Database: tpcds_bin_partitioned_parquet_200
Owner: root
CreateTime: Tue Jun 06 11:51:48 CST 2017
LastAccessTime: UNKNOWN
Retention: 0
Location:
hdfs://bdpe38:9000/user/hive/warehouse/tpcds_bin_partitioned_parquet_200.db/store_sales
Table Type: MANAGED_TABLE
Table Parameters:
COLUMN_STATS_ACCURATE {\"BASIC_STATS\":\"true\"}
numFiles 2023
numPartitions 1824
numRows 575995635
rawDataSize 12671903970
totalSize 46465926745
transient_lastDdlTime 1496721108
{code}
the rawDataSize is nearly 12G while the totalSize is nearly 46G.
view the original data on hdfs
{noformat}
#hadoop fs -du -h /tmp/tpcds-generate/200/
75.8 G /tmp/tpcds-generate/200/store_sales
{noformat}
view the parquet file on hdfs
{noformat}
# hadoop fs -du -h /user/hive/warehouse/tpcds_bin_partitioned_parquet_200.db
43.3 G /user/hive/warehouse/tpcds_bin_partitioned_parquet_200.db/store_sales
{noformat}
It seems that the rawDataSize is nearly 75G but in "describe formatted
store_sales" command, it shows only 12G.
was:
on TPC-DS 200g scale store_sales
use "describe formatted store_sales" to view the statistics
{code}
hive> describe formatted store_sales;
OK
# col_name data_type comment
ss_sold_time_sk bigint
ss_item_sk bigint
ss_customer_sk bigint
ss_cdemo_sk bigint
ss_hdemo_sk bigint
ss_addr_sk bigint
ss_store_sk bigint
ss_promo_sk bigint
ss_ticket_number bigint
ss_quantity int
ss_wholesale_cost double
ss_list_price double
ss_sales_price double
ss_ext_discount_amt double
ss_ext_sales_price double
ss_ext_wholesale_cost double
ss_ext_list_price double
ss_ext_tax double
ss_coupon_amt double
ss_net_paid double
ss_net_paid_inc_tax double
ss_net_profit double
# Partition Information
# col_name data_type comment
ss_sold_date_sk bigint
# Detailed Table Information
Database: tpcds_bin_partitioned_parquet_200
Owner: root
CreateTime: Tue Jun 06 11:51:48 CST 2017
LastAccessTime: UNKNOWN
Retention: 0
Location:
hdfs://bdpe38:9000/user/hive/warehouse/tpcds_bin_partitioned_parquet_200.db/store_sales
Table Type: MANAGED_TABLE
Table Parameters:
COLUMN_STATS_ACCURATE {\"BASIC_STATS\":\"true\"}
numFiles 2023
numPartitions 1824
numRows 575995635
rawDataSize 12671903970
totalSize 46465926745
transient_lastDdlTime 1496721108
{code}
the rawDataSize is nearly 12G while the totalSize is nearly 46G.
view the original data on hdfs
{format}
#hadoop fs -du -h /tmp/tpcds-generate/200/
75.8 G /tmp/tpcds-generate/200/store_sales
{format}
view the parquet file on hdfs
{format}
# hadoop fs -du -h /user/hive/warehouse/tpcds_bin_partitioned_parquet_200.db
43.3 G /user/hive/warehouse/tpcds_bin_partitioned_parquet_200.db/store_sales
{format}
It seems that the rawDataSize is nearly 75G but in "describe formatted
store_sales" command, it shows only 12G.
> Invalid statistics like "RAW DATA SIZE" info for parquet file
> -------------------------------------------------------------
>
> Key: HIVE-17182
> URL: https://issues.apache.org/jira/browse/HIVE-17182
> Project: Hive
> Issue Type: Bug
> Reporter: liyunzhang_intel
>
> on TPC-DS 200g scale store_sales
> use "describe formatted store_sales" to view the statistics
> {code}
> hive> describe formatted store_sales;
> OK
> # col_name data_type comment
>
> ss_sold_time_sk bigint
> ss_item_sk bigint
> ss_customer_sk bigint
> ss_cdemo_sk bigint
> ss_hdemo_sk bigint
> ss_addr_sk bigint
> ss_store_sk bigint
> ss_promo_sk bigint
> ss_ticket_number bigint
> ss_quantity int
> ss_wholesale_cost double
> ss_list_price double
> ss_sales_price double
> ss_ext_discount_amt double
> ss_ext_sales_price double
> ss_ext_wholesale_cost double
> ss_ext_list_price double
> ss_ext_tax double
> ss_coupon_amt double
> ss_net_paid double
> ss_net_paid_inc_tax double
> ss_net_profit double
>
> # Partition Information
> # col_name data_type comment
>
> ss_sold_date_sk bigint
>
> # Detailed Table Information
> Database: tpcds_bin_partitioned_parquet_200
> Owner: root
> CreateTime: Tue Jun 06 11:51:48 CST 2017
> LastAccessTime: UNKNOWN
> Retention: 0
> Location:
> hdfs://bdpe38:9000/user/hive/warehouse/tpcds_bin_partitioned_parquet_200.db/store_sales
>
> Table Type: MANAGED_TABLE
> Table Parameters:
> COLUMN_STATS_ACCURATE {\"BASIC_STATS\":\"true\"}
> numFiles 2023
> numPartitions 1824
> numRows 575995635
> rawDataSize 12671903970
> totalSize 46465926745
> transient_lastDdlTime 1496721108
> {code}
> the rawDataSize is nearly 12G while the totalSize is nearly 46G.
> view the original data on hdfs
> {noformat}
> #hadoop fs -du -h /tmp/tpcds-generate/200/
> 75.8 G /tmp/tpcds-generate/200/store_sales
> {noformat}
> view the parquet file on hdfs
> {noformat}
> # hadoop fs -du -h /user/hive/warehouse/tpcds_bin_partitioned_parquet_200.db
> 43.3 G /user/hive/warehouse/tpcds_bin_partitioned_parquet_200.db/store_sales
> {noformat}
> It seems that the rawDataSize is nearly 75G but in "describe formatted
> store_sales" command, it shows only 12G.
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