Package org.apache.parquet.hadoop

Provides classes to store use Parquet files in Hadoop

See: Description

Interface Summary

Interface	Description
IndexCache	A cache for caching indexes(including: ColumnIndex, OffsetIndex and BloomFilter)
ParquetMetricsCallback	A simple interface to pass basic metric values by name to any implementation.

Class Summary

Class	Description
BloomFilterReader	Bloom filter reader that reads Bloom filter data from an open ParquetFileReader.
CodecFactory
CodecFactory.BytesCompressor	Deprecated will be removed in 2.0.0; use CompressionCodecFactory.BytesInputCompressor instead.
CodecFactory.BytesDecompressor	Deprecated will be removed in 2.0.0; use CompressionCodecFactory.BytesInputDecompressor instead.
ColumnChunkPageWriteStore	Class should be considered private
ColumnIndexValidator
ColumnIndexValidator.ContractViolation
Footer	Represent the footer for a given file
MemoryManager	Implements a memory manager that keeps a global context of how many Parquet writers there are and manages the memory between them.
ParquetFileReader	Internal implementation of the Parquet file reader as a block container
ParquetFileWriter	Internal implementation of the Parquet file writer as a block container
ParquetInputFormat<T>	The input format to read a Parquet file.
ParquetInputSplit	Deprecated will be removed in 2.0.0.
ParquetOutputCommitter
ParquetOutputFormat<T>	OutputFormat to write to a Parquet file
ParquetReader<T>	Read records from a Parquet file.
ParquetReader.Builder<T>
ParquetRecordReader<T>	Reads the records from a block of a Parquet file
ParquetRecordWriter<T>	Writes records to a Parquet file
ParquetWriter<T>	Write records to a Parquet file.
ParquetWriter.Builder<T,SELF extends ParquetWriter.Builder<T,SELF>>	An abstract builder class for ParquetWriter instances.
PrintFooter	Utility to print footer information
UnmaterializableRecordCounter	Tracks number of records that cannot be materialized and throws ParquetDecodingException if the rate of errors crosses a limit.

Enum Summary

Enum	Description
ColumnIndexValidator.Contract
IndexCache.CacheStrategy
ParquetFileReaderMetrics
ParquetFileWriter.Mode
ParquetOutputFormat.JobSummaryLevel

Exception Summary

Exception	Description
BadConfigurationException	Thrown when the input/output formats are misconfigured
ParquetEmptyBlockException
ParquetMemoryManagerRuntimeException	Signals that an exception of some sort has occurred with the Parquet Memory Manager.

Package org.apache.parquet.hadoop Description

Provides classes to store use Parquet files in Hadoop

In a map reduce job:

See Also:

ParquetInputFormat,

In a standalone java app:, ParquetWriter, ParquetReader