feat: Pre-Sort Pyarrow Tables to write smaller Parquet files #167
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rymarczy
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Pre-Sorting table data, before writing to Parquet, allows Parquet compression algos to take advantage of low cardinality data.
The following drop in file sizes has been observed:
Vehicle Positions (1 hour dataset)
63 MB → 4.9 MB
Trip Updates ( 1 hour dataset)
132MB → 26.5 MB
Asana Task: https://app.asana.com/0/1204931901750675/1205499565957353