Github user wzhfy commented on the issue:
https://github.com/apache/spark/pull/16594
@rxin @gatorsmile @hvanhovell I've updated this pr and make stats much more
readable:
SizeInBytes is shown in units of B, KB, MB ... PB, e.g. `sizeInBytes=228.8
GB`,
and if it's too large to represent in PB, it's shown in scientific
notation, e.g. `sizeInBytes=5.481E+22`.
For row count, it doesn't have units, so it's always shown in scientific
notation, e.g. `rowCount=7.305E+4`.
Now the above example looks like this:
```
...
+- Aggregate [ca_county#1629, d_qoy#1550, d_year#1546], [ca_county#1629,
MakeDecimal(sum(UnscaledValue(ss_ext_sales_price#1192)),17,2) AS
store_sales#1457]: sizeInBytes=5.481E+22, isBroadcastable=false
+- Project [ss_ext_sales_price#1192, d_year#1546, d_qoy#1550,
ca_county#1629]: sizeInBytes=6.699E+22, isBroadcastable=false
+- Join Inner, (ss_addr_sk#1183 = ca_address_sk#1622):
sizeInBytes=7.917E+22, isBroadcastable=false
:- Project [ss_addr_sk#1183, ss_ext_sales_price#1192, d_year#1546,
d_qoy#1550]: sizeInBytes=3.520 PB, isBroadcastable=false
: +- Join Inner, (ss_sold_date_sk#1177 = d_date_sk#1540):
sizeInBytes=4.525 PB, isBroadcastable=false
: :- Project [ss_sold_date_sk#1177, ss_addr_sk#1183,
ss_ext_sales_price#1192]: sizeInBytes=37.11 GB, isBroadcastable=false
: : +- Filter (isnotnull(ss_sold_date_sk#1177) &&
isnotnull(ss_addr_sk#1183)): sizeInBytes=228.8 GB, isBroadcastable=false
: : +-
Relation[ss_sold_date_sk#1177,ss_sold_time_sk#1178,ss_item_sk#1179,ss_customer_sk#1180,ss_cdemo_sk#1181,ss_hdemo_sk#1182,ss_addr_sk#1183,ss_store_sk#1184,ss_promo_sk#1185,ss_ticket_number#1186,ss_quantity#1187,ss_wholesale_cost#1188,ss_list_price#1189,ss_sales_price#1190,ss_ext_discount_amt#1191,ss_ext_sales_price#1192,ss_ext_wholesale_cost#1193,ss_ext_list_price#1194,ss_ext_tax#1195,ss_coupon_amt#1196,ss_net_paid#1197,ss_net_paid_inc_tax#1198,ss_net_profit#1199]
parquet: sizeInBytes=228.8 GB, rowCount=5.760E+9, isBroadcastable=false
: +- Project [d_date_sk#1540, d_year#1546, d_qoy#1550]:
sizeInBytes=124.9 KB, isBroadcastable=false
: +- Filter ((((isnotnull(d_date_sk#1540) &&
isnotnull(d_year#1546)) && isnotnull(d_qoy#1550)) && (d_qoy#1550 = 2)) &&
(d_year#1546 = 2000)): sizeInBytes=1.805 MB, isBroadcastable=false
: +-
Relation[d_date_sk#1540,d_date_id#1541,d_date#1542,d_month_seq#1543,d_week_seq#1544,d_quarter_seq#1545,d_year#1546,d_dow#1547,d_moy#1548,d_dom#1549,d_qoy#1550,d_fy_year#1551,d_fy_quarter_seq#1552,d_fy_week_seq#1553,d_day_name#1554,d_quarter_name#1555,d_holiday#1556,d_weekend#1557,d_following_holiday#1558,d_first_dom#1559,d_last_dom#1560,d_same_day_ly#1561,d_same_day_lq#1562,d_current_day#1563,...
4 more fields] parquet: sizeInBytes=1.805 MB, rowCount=7.305E+4,
isBroadcastable=false
...
```
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