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A standard set of queries: http://www.tpc.org/tpch/ we should support in the long term
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I think I am ready. I have learned some operator implementation and SQL query optimization in Calcite and implemented in the arrow adapter in calcite. I will try it in Risinglight.
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this would be very useful to e.g. ingest zstd compressed files as to speed up the ingest for small datasets (up to e.g. 100G)
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Ibis currently has a `TPC-H` test suite (found [here](https://github.com/ibis-project/ibis/tree/main/ibis/backends/tests/tpch)). To provide better coverage of a wider set of operations (and use for ma…
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### Backend
VL (Velox)
### Bug description
[Expected behavior] and [actual behavior].
When I use velox as the backend execution engine to test TPC-H, the output result is unstable. Sometimes it pr…
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I want to test the memory usage for tpc-h.
use hyriseConsole to run the tpch.
```
(release)> generate_tpch 5
Generating all TPCH tables (this might take a while) ...
- Loading/Generating tables…
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### Bug description
While benchmarking TPC-H with Parquet input, I came across weird performance numbers for Q21 with SF10. When looking into it, I found out that the results are incorrect.
In t…
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So that we don't OOM when generating large scale factors
**Reporter**: [Jonathan Keane](https://issues.apache.org/jira/browse/ARROW-16087) / @jonkeane
**Note**: *This issue was originally created as…
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This looks like another instance of the problem in #1376. We end up with a groupby-aggregate that leaves us with ~30M groups in a single partition.
Edit (Patrick): Query 13 has exactly the same iss…