BlakeOrth commented on PR #17266:
URL: https://github.com/apache/datafusion/pull/17266#issuecomment-3234598245
@alamb I've made some changes that I think get the functional side of the
code where it needs to be and pushed those for review. This is still lacking
tests and docs, but I thought it would be good to more or less have the
architecture and functional code settled before wrapping everything up and
marking it as ready for review.
Here's a little demo of the output from the current code:
```console
$ ./datafusion-cli --object-store-profiling summary
```
```sql
DataFusion CLI v49.0.1
> CREATE EXTERNAL TABLE nyc_taxi_rides
STORED AS PARQUET LOCATION
's3://altinity-clickhouse-data/nyc_taxi_rides/data/tripdata_parquet/';
0 row(s) fetched.
Elapsed 2.573 seconds.
Object Store Profiling
List Summary:
count: 1
Get Summary:
count: 288
duration min: 0.059328s
duration max: 0.714468s
duration avg: 0.128311s
size min: 8 B
size max: 44247 B
size avg: 18870 B
size sum: 5434702 B
List Summary:
count: 1
> \object_store_profiling trace
ObjectStore Profile mode set to Trace
> select count(*) from
's3://altinity-clickhouse-data/nyc_taxi_rides/data/tripdata_parquet/';
+------------+
| count(*) |
+------------+
| 1310903963 |
+------------+
1 row(s) fetched.
Elapsed 0.577 seconds.
Object Store Profiling
2025-08-28T18:49:22.066425183+00:00 operation=List
path=nyc_taxi_rides/data/tripdata_parquet
2025-08-28T18:49:22.303706449+00:00 operation=List
path=nyc_taxi_rides/data/tripdata_parquet
2025-08-28T18:49:22.419878784+00:00 operation=List
path=nyc_taxi_rides/data/tripdata_parquet
2025-08-28T18:49:22.493157995+00:00 operation=List
path=nyc_taxi_rides/data/tripdata_parquet
List Summary:
count: 4
> \object_store_profiling disabled
ObjectStore Profile mode set to Disabled
> select count(*) from
's3://altinity-clickhouse-data/nyc_taxi_rides/data/tripdata_parquet/' where
vendor_id='CMT';
+-----------+
| count(*) |
+-----------+
| 505603754 |
+-----------+
1 row(s) fetched.
Elapsed 45.531 seconds.
```
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