For example, if you try to load Wikipedia page views (typical time-series dataset) into TimescaleDB (typical time-series DBMS) it will take months, making the benchmark impractical. If you try to load it into DuckDB, it will not load because duckdb is not a production-quality database. If you try to use Druid, or Pinot, you will need a long time to recover after PTSD.
Some people are connecting to ClickHouse and expecting it to work as Spark. But ClickHouse shouldn’t work in the same way as Spark because Spark is so slow. It’s so complex to use. And ClickHouse is fast and nice, and easy, and it always work.
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