
Open source columnar database for real-time analytics on big data
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ClickHouse is an open source column-oriented database built for real-time analytical queries on large datasets. Teams use it to generate analytical reports from SQL queries. Columnar storage, compression and vectorized query execution, which uses SIMD instructions, help it handle aggregations and scans quickly. The listing says it processes billions of rows per second and scales horizontally for petabyte-scale data warehousing. clickhouse-local, a companion tool, runs the database engine as a self-contained program without a server, and it can be packaged into AWS Lambda.
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