SVCS_S3LIST
Use the SVCS_S3LIST view to get details about Amazon Redshift Spectrum queries at the segment level. One segment can perform one external table scan.
SVCS_S3LIST is visible to all users. Superusers can see all rows; regular users can see only their own data. For more information, see Visibility of Data in System Tables and Views.
Table Columns
Column Name | Data Type | Description |
---|---|---|
query | integer | The query ID. |
segment | integer | The segment number. A query consists of multiple segments. |
node | integer | The node number. |
eventtime | timestamp | The time in UTC that the event is recorded. |
bucket | char(256) | The Amazon S3 bucket name. |
prefix | char(256) | The prefix of the Amazon S3 bucket location. |
recursive | char(1) | Whether there is recursive scan for subfolders. |
retrieved_files | integer | The number of listed files. |
max_file_size | bigint | The maximum file size among listed files. |
avg_file_size | double precision | The average file size among listed files. |
generated_splits | integer | The number of file splits. |
avg_split_length | double precision | The average length of file splits in bytes. |
duration | bigint | The duration of file listing, in microseconds. |
Sample Query
The following example queries SVCS_S3LIST for the last query executed.
select * from svcs_s3list where query = pg_last_query_id() order by query,segment;