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https://issues.apache.org/jira/browse/PARQUET-2122?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17492418#comment-17492418
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Junjie Chen commented on PARQUET-2122:
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That's the default size of the bloom filter. Please configure
parquet.bloom.filter.max.bytes to fit.
> Adding Bloom filter to small Parquet file bloats in size X1700
> --------------------------------------------------------------
>
> Key: PARQUET-2122
> URL: https://issues.apache.org/jira/browse/PARQUET-2122
> Project: Parquet
> Issue Type: Bug
> Components: parquet-cli, parquet-mr
> Affects Versions: 1.13.0
> Reporter: Ze'ev Maor
> Priority: Critical
> Attachments: data.csv, data_index_bloom.parquet
>
>
> Converting a small, 14 rows/1 string column csv file to Parquet without bloom
> filter yields a 600B file, adding '.withBloomFilterEnabled(true)' to
> ParquetWriter then yields a 1049197B file.
> It isn't clear what the extra space is used by.
> Attached csv and bloated Parquet files.
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