Amazon Redshift
Database Developer Guide

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;