Gang Wu created PARQUET-2257:
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             Summary: [Format] Add bloom_filter_length to ColumnMetaData
                 Key: PARQUET-2257
                 URL: https://issues.apache.org/jira/browse/PARQUET-2257
             Project: Parquet
          Issue Type: New Feature
          Components: parquet-format
            Reporter: Gang Wu
            Assignee: Gang Wu


The specs only has added bloom_filter_offset to locate the bloom filter. The 
reader cannot load the bloom filter in a single shot until it parses the bloom 
filter header to get the total size.
This issue proposes to add an optional bloom_filter_length field to track the 
size of bloom filter to facilitate I/O scheduling. 



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