Auto Loader can detect schema drifts, notify you when schema changes happen, and rescue data that would have been otherwise ignored or lost.

Auto Loader incrementally and efficiently processes new data files as they arrive in cloud storage. It can be used to process billions of files to migrate or backfill a table.

Auto Loader's file notification mode can help reduce your cloud costs further by avoiding directory listing altogether. It can automatically set up file notification services on storage to make file discovery much cheaper.

Auto Loader can resume from where it left off by information stored in the checkpoint location and continue to provide exactly-once guarantees when writing data into Delta Lake in case of any failures.