v.20.1New Feature
Speed Up Parallel Parsing for CSV, TSV, and JSONEachRow Formats
Speed up parsing of data files inCSV,TSVandJSONEachRowformat by doing it in parallel. #7780 (Alexander Kuzmenkov)
Why it matters
This feature improves the performance of data ingestion by enabling parallel parsing of supported file formats. It reduces the time required to load large datasets into ClickHouse, enhancing efficiency and resource utilization.How to use it
The parallel parsing ofCSV, TSV, and JSONEachRow formats is enabled automatically in the latest ClickHouse version. To benefit from this feature, simply load data in these formats using standard data insertion commands without additional configuration.