Amazon Redshift Spectrum now supports ORC and Grok file formats

You can now leverage Amazon Redshift Spectrum to query data stored in Optimized Row Columnar (ORC) and Grok file formats. Amazon Redshift Spectrum also supports multiple other open file formats, including Avro, CSV, Parquet, RCFile, RegexSerDe, SequenceFile, TextFile, and TSV. For more information, see supported file formats in the Amazon Redshift Database Developer Guide.
Quelle: aws.amazon.com