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**Describe the issue**:
It looks like `dask-expr` optimizes the query wrongly. Adding the extra `persist()` fixes the OOM memory:
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### Feature request
`to_parquet` currently saves the dataset as one massive, monolithic parquet file, rather than as several small parquet files. It should shard large datasets automatically.
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### What happens?
Processing parquet data that contains a `struct` type nested inside a `list` doesn't finish (seems to be stuck in endless processing).
### To Reproduce
#### Data source: O…
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### Search before asking
- [X] I had searched in the [feature](https://github.com/apache/seatunnel/issues?q=is%3Aissue+label%3A%22Feature%22) and found no similar feature requirement.
### Desc…
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Offline a user reported getting `RuntimeError: file metadata is only available after writer close` when writing a Dask DataFrame to parquet with our pyarrow engine. The traceback they were presented w…
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### Is there an existing issue for this?
- [X] I have searched the existing issues
### Is your feature request related to a problem? Please describe.
Currently, it is not possible to import data (e…
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As supplementary to:
px_save(x,data_path = "hi.rds","dta12871.xlsx")
can we have, parquet?
px_save(x,data_path = "hi.parquet","dta12871.xlsx")
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**Describe the problem you faced**
A clear and concise description of the problem.
1. When using the record_index type index to upsert an MOR type table, this exception suddenly occurred, leading …
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**Describe the bug**
I successfully created a .hyper, but in tableau, it is unable to connect to it. Version 2023.1.0
"""
Unable to connect to the server. Check that the server is running and tha…
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### Checks
- [X] I have checked that this issue has not already been reported.
- [X] I have confirmed this bug exists on the [latest version](https://pypi.org/project/polars/) of Polars.
### Reprodu…