apache/parquet-java

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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

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580 issues indexed so far

InternalParquetRecordWriter - Too much memory used Open

Component: Parquet Priority: Major Type: test

apache/parquet-java#2478 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Filter out github notification from dev mail list Open

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

apache/parquet-java#2483 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add Index support in the read path Open

Component: Parquet Priority: Major Type: task

apache/parquet-java#2484 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add index support in the write path Open

Component: Parquet Priority: Major Type: task

apache/parquet-java#2485 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Array Index OutOf Bounds Exception when fall Back Dictionary Encoded Data Open

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

apache/parquet-java#2488 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Python] [Rust] Parquet read file fails with batch size 1_000_000 and 41 row groups Open

Component: Parquet Priority: Major Type: bug

apache/parquet-java#2491 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Builder Support for ProtoParquetWriter Open

Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#1592 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ProtoReader does not iterate over the parquet file correctly. Open

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

apache/parquet-java#2497 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add bloom filter support Open

Component: Parquet Priority: Major Type: task

apache/parquet-java#2501 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Port ZSTD-JNI support to 1.10.x brach Open

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

apache/parquet-java#1595 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Convert JSON to Parquet directly Open

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

apache/parquet-java#2503 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[parquet-protobuf] Pass descriptor to ProtoWriteSupport constructor Open

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

apache/parquet-java#2507 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
CompressionCodec Provider-aware Compression Codec Lookup for parquet-mr Open

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

apache/parquet-java#2508 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Exception thrown by AvroParquetWriter#write causes all subsequent calls to it to fail Open

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

apache/parquet-java#2509 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Run mvn clean in CI Open

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

apache/parquet-java#1598 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add filter null check for ColumnIndex Open

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

apache/parquet-java#2517 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Improve Parquet Protobuf Usability Open

Component: Parquet Component: Protobuf Priority: Major Type: enhancement

apache/parquet-java#2518 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Use SeekableByteChannel instead of OutputFile/InputFile Classes Open

Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#2519 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add way to disables statistics on a per column basis Open

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

apache/parquet-java#2521 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ParquetReader.read(InputFile) always causes exception on build Open

Component: Parquet Priority: Major Type: bug

apache/parquet-java#2522 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add hash functionality Open

Component: Parquet Priority: Major Type: task

apache/parquet-java#1601 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Avoid Copy of Bytes in Protobuf BinaryWriter Open

Component: Parquet Priority: Minor Type: enhancement

apache/parquet-java#2527 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Buffer int overflow in CapacityByteArrayOutputStream, SnappyCompressor Open

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

apache/parquet-java#2528 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Use StringBuilder instead of StringBuffer Open

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

apache/parquet-java#2530 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Introduce Velocity Template Engine to Parquet Generator Open

Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#2534 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ColumnIndex should provide number of records skipped Open

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

apache/parquet-java#2536 · 17 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
parquet-tools class-not-found failures are silent and therefore not helpful Open

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

apache/parquet-java#2542 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
parquet-tools cat command does not consider logical type Open

Component: Java Component: Parquet Priority: Critical Type: bug

apache/parquet-java#2547 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add an option to allow auto conversion from empty fields to NULL Open

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

apache/parquet-java#2549 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Parquet File not readable by Google big query (works with Spark) Open

Component: Avro Component: Parquet Priority: Blocker Type: bug

apache/parquet-java#2550 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
TransCompressionCommand Inoperable Open

Component: Java Component: Parquet Priority: Blocker Type: bug

apache/parquet-java#2552 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ParquetThriftOutputFormat does not store any optional primitive values in parquet file Open

Component: Parquet Priority: Major Type: bug

apache/parquet-java#2558 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
"parquet-tools cat -j" should not output metadata Open

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

apache/parquet-java#2559 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Parquet tools build error in the latest released version `apache-parquet-1.11.1` Open

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

apache/parquet-java#2560 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Filtering dictionary data types using dplyr in Arrow package Open

Component: Parquet Priority: Major Type: bug

apache/parquet-java#2562 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ParquetRecordReader support building ParquetFileReader using incoming Footer Open

Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#2564 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
LZ4 decoding is not working over hadoop Open

Component: Java Component: Parquet Priority: Blocker Type: bug

apache/parquet-java#2571 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Use net.alchim31.maven:scala-maven-plugin instead of org.scala-tools:maven-scala-plugin Open

Component: Parquet Priority: Minor Type: enhancement

apache/parquet-java#2573 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Pool SeekableInputStreams in ParquetFileReader Open

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

apache/parquet-java#2578 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Document how a schema can have columns splitted over different files Open

Component: Parquet Priority: Minor Type: enhancement

apache/parquet-java#2581 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Deep verification of encrypted files Open

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

apache/parquet-java#2583 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[C++][Parquet] Crash at parquet::TypedColumnWriterImpl<>::WriteBatchSpaced Open

Component: Parquet Priority: Major Type: bug

apache/parquet-java#2586 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
build failed on AArch64, Fedora 33 Open

Component: Parquet Priority: Major Type: bug

apache/parquet-java#2587 · 15 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Parquet 1.9 not forward compatible with Parquet 1.10 Open

Component: Parquet Priority: Major Type: bug

apache/parquet-java#2589 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Decimal Statistics emitted by parquet-cpp are broken Open

Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#1615 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Column resolution by ID Open

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

apache/parquet-java#2591 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Remove java related parts from parquet-format Open

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

apache/parquet-java#1617 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Local key wrapping with rotation Open

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

apache/parquet-java#2594 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Handle special values of floating point statistics Open

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

apache/parquet-java#2595 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ParquetThriftWriter uses deprecated constructors Open

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

apache/parquet-java#2596 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026

apache/parquet-java

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