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Write code to upload Parquet files to an S3 bucket using boto3

Cloud/Toolseasy0.2 min readPremium
Frequency
Low
Asked at 1 company
Category
179
questions in Cloud/Tools
Difficulty Split
104E|27M|48H
in this category
Total Bank
1,863
across 7 categories
Asked at these companies
Walmart
Expert AnswerPremium
46 wordsInterview-ready
**Simple**: s3.upload_file('data.parquet', 'my-bucket', 'path/data.parquet')—handles multipart for >8MB. **From DataFrame**: df.to_parquet('s3://bucket/path/', engine='pyarrow') with s3fs. **Programmatic**: pyarrow read_table, write to BytesIO, s3.put_object(Body=buffer.getvalue()). **Large files**: upload_file does multipart automatically; for >5GB, configure multipart threshold. **Encryption**: put_object(ServerSideEncryption='aws:kms')....
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