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> Use this file to discover all available pages before exploring further.

> Contains log entries with information about files processed by the S3Queue engine.
It is safe to truncate or drop this table at any time.

# system.s3queue_log

Contains log entries with information about files processed by the S3Queue engine.

It is safe to truncate or drop this table at any time.

Columns:

* `hostname` ([LowCardinality(String)](/reference/data-types/lowcardinality)) — Hostname
* `event_date` ([Date](/reference/data-types/date)) — Event date of writing this log row
* `event_time` ([DateTime](/reference/data-types/datetime)) — Event time of writing this log row
* `database` ([String](/reference/data-types/string)) — The name of the database where the queue table (`S3Queue` or `AzureQueue`) lives.
* `table` ([String](/reference/data-types/string)) — The name of the queue table (`S3Queue` or `AzureQueue`).
* `uuid` ([String](/reference/data-types/string)) — The UUID of the queue table (`S3Queue` or `AzureQueue`).
* `file_name` ([String](/reference/data-types/string)) — File name of the processing file.
* `rows_processed` ([UInt64](/reference/data-types/int-uint)) — Number of processed rows.
* `status` ([Enum8('Processed' = 0, 'Failed' = 1)](/reference/data-types/enum)) — Status of the processing file.
* `processing_start_time` ([Nullable(DateTime)](/reference/data-types/nullable)) — Time of the start of processing the file.
* `processing_end_time` ([Nullable(DateTime)](/reference/data-types/nullable)) — Time of the end of processing the file.
* `exception` ([String](/reference/data-types/string)) — Exception message if happened.
* `commit_id` ([UInt64](/reference/data-types/int-uint)) — Id of the transaction in which this file was committed.
* `commit_time` ([DateTime](/reference/data-types/datetime)) — Time of committing file in keeper (as either failed or processed).
* `transaction_start_time` ([DateTime](/reference/data-types/datetime)) — Time when the whole processing transaction started.
* `get_object_time_ms` ([UInt64](/reference/data-types/int-uint)) — Time which took us to find the object in object storage.