apache/parquet-java

View on GitHub

Apache Parquet Java

Stars: 3.1k
Forks: 1.6k
Open beginner issues: 0
Indexed issues: 580
Avg merge: 3d 12h
Merged PRs (30d): 33

Dominant language: Java
License: Apache-2.0
Last GitHub push: Sep 14, 2026
Latest indexed: Sep 14, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue

Open All

580 open issues indexed

Handle unknown logical types Open

Component: Java Component: Parquet Priority: Major Type: bug

apache/parquet-java#2709 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Fix statistics issue of Column Encryptor Open

Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#2710 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Improve SnappyCompressor buffer expansion performance Open

Component: Java Component: Parquet Priority: Minor Type: enhancement

apache/parquet-java#1647 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
byte array has better performance than ByteBuffer Open

Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#2713 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
byte array has better performance than ByteBuffer Open

Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#2714 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Encrypting only one field in nested field prevents reading of other fields in nested field without keys Open

Component: Java Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#1649 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
parquet.encryption.plaintext.footer parameter being true, code expects parquet.encryption.footer.key Open

Component: Java Component: Parquet Priority: Major Type: bug

apache/parquet-java#2716 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
checkBlockSizeReached zero record size perf issue Open

Component: Java Component: Parquet Priority: Minor Type: bug

apache/parquet-java#2720 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Make ParquetReadOptions and HadoopReadOptions extendable Open

Component: Parquet Priority: Minor Type: enhancement

apache/parquet-java#2722 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Accelerate CI by commonizing thrift build and leveraging cache Open

Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#2723 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add an alternative InputFile.newStream that allow an input range Open

Component: Parquet Priority: Minor Type: enhancement

apache/parquet-java#2725 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Support re-encryption in ColumnEncryptor Open

Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#2726 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Parquet writer classes don't close underlying output stream in case of errors. Open

Component: Java Component: Parquet Priority: Major Type: bug

apache/parquet-java#2727 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Parquet Data Masking for Column Encryption Open

Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#1652 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Parquet Travis CI jobs to be turned off February 15th Open

Component: Java Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#2734 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Parquet java vector decode optimization for Big Endian Open

Component: Parquet Priority: Minor Type: task

apache/parquet-java#1654 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Parquet java vector decode optimization Long for Big Endian Open

Component: Parquet Priority: Minor Type: task

apache/parquet-java#2735 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Parquet java vector decode optimization Long for Little Endian Open

Component: Parquet Priority: Major Type: task

apache/parquet-java#2736 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Improve performance when filters in RowGroupFilter can match exactly Open

Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#1655 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Replace log4j1 with reload4j Open

Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#2737 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
DateTimeFormatter is used in static context, but not thread safe Open

Component: Java Component: Parquet Priority: Trivial Type: bug

apache/parquet-java#2738 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
record count for row group size check configurable Open

Component: Java Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#2740 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Improve dictionary filter evaluating notEq Open

Component: Parquet Priority: Minor Type: enhancement

apache/parquet-java#2743 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ParquetRewriter supports merging files by record Open

Component: Java Component: Parquet Priority: Major Type: task

apache/parquet-java#2746 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Postpone dictionary encoding decision for starting null pages. Open

Component: Java Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#2749 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Bump thrift to 0.18.1 Open

Component: Parquet Component: Thrift Priority: Major Type: enhancement

apache/parquet-java#2769 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
RecordReaderImplementation throw ArrayIndexOutOfBoundsException Open

Component: Parquet Priority: Major Type: bug

apache/parquet-java#2780 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Parquet statistics stats_null_count is wrong for large json string colums Open

Component: Parquet Priority: Major Type: bug

apache/parquet-java#2786 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Incomptable with latest spark version Open

Component: Java Component: Parquet Priority: Major Type: bug

apache/parquet-java#2790 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Local timestamps fields for Avro schema are not supported Open

Component: Avro Component: Parquet Priority: Major Type: bug

apache/parquet-java#1665 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
existing column statistics can be missed Open

Component: Parquet Priority: Major Type: bug

apache/parquet-java#2799 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Linux support Open

Component: CLI Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#1669 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ArrayIndexOutOfBounds exception writing parquet from Avro in Apache Hudi Open

Component: Avro Component: Java Component: Parquet Priority: Major Type: bug

apache/parquet-java#1670 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
appendRowGroup will loose pageIndex Open

Component: Java Component: Parquet Priority: Major Type: task

apache/parquet-java#2808 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ParquetWriter/ParquetReader should parse options directly from supplied Configuration Open

Component: Parquet Priority: Minor Type: enhancement

apache/parquet-java#2816 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Avoid Hadoop interfaces and classes in codecs Open

Component: Java Component: Parquet Priority: Minor Type: enhancement

apache/parquet-java#2818 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Deprecate parquet-thrift Open

Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#2820 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Fix typo in DeltaBinaryPackingValuesWriter Open

Component: Java Component: Parquet Priority: Trivial Type: enhancement

apache/parquet-java#1673 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
NegativeArraySizeException on read for parquet files written with large strings in some cases Open

Component: Parquet Priority: Major Type: bug

apache/parquet-java#2828 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add completion for parquet-tools Open

Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#2834 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Issues when using the head on a parquet file Open

Component: Parquet Priority: Major Type: bug

apache/parquet-java#2835 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Deprecate methods relying on Hadoop classes when alternatives using more generic Parquet interfaces are available Open

Component: Java Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#2838 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Remove the deprecated OriginalType Open

Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#2839 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Create specialized HadoopParquetWriter Open

Component: Hadoop Component: Java Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#2854 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Create specialized HadoopParquetReader Open

Component: Hadoop Component: Java Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#2855 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ParquetReader directory read using InputFile Open

Component: Hadoop Component: Java Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#2856 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Excessive synchronization in MemoryManager Open

Component: Hadoop Component: Parquet Priority: Major Type: bug

apache/parquet-java#2860 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Reuse hadoop file status and footer in ParquetRecordReader Open

Component: Hadoop Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#2862 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
honor conf "mapreduce.outputcommitter.factory.class" with PathOutputCommitterFactory in ParquetOutputFormat.getOutputCommitter Open

Component: Parquet Priority: Minor Type: bug

apache/parquet-java#1685 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Clean up temporary files when running tests Open

Component: Java Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#2866 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026

apache/parquet-java

Get new issues in your inbox