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Change default parquet compression format from Snappy to LZ4 #10647

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Change default parquet compression format from Snappy to LZ4 #10647

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10 changes: 5 additions & 5 deletions dask/dataframe/io/parquet/core.py
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Original file line number Diff line number Diff line change
Expand Up @@ -698,7 +698,7 @@ def to_parquet(
df,
path,
engine="auto",
compression="snappy",
compression="lz4",
write_index=True,
append=False,
overwrite=False,
Expand Down Expand Up @@ -729,10 +729,10 @@ def to_parquet(
engine : {'auto', 'pyarrow', 'fastparquet'}, default 'auto'
Parquet library to use. Defaults to 'auto', which uses ``pyarrow`` if
it is installed, and falls back to ``fastparquet`` otherwise.
compression : string or dict, default 'snappy'
Either a string like ``"snappy"`` or a dictionary mapping column names
to compressors like ``{"name": "gzip", "values": "snappy"}``. Defaults
to ``"snappy"``.
compression : string or dict, default 'lz4'
Either a string like ``"lz4"`` or a dictionary mapping column names
to compressors like ``{"name": "gzip", "values": "lz4"}``. Defaults
to ``"lz4"``.
write_index : boolean, default True
Whether or not to write the index. Defaults to True.
append : bool, default False
Expand Down