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Pull requests: apache/parquet-java

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Pull requests list

[INFRA] Set up default rulesets for default and release branches
#3563 opened May 15, 2026 by asf-gitbox-commits Loading…
GH-3561 Harden variants against malformed metadata.
#3562 opened May 14, 2026 by steveloughran Contributor Loading…
1
GH-3493: Optimize PlainValuesReader with direct ByteBuffer reads and batch methods
#3560 opened May 13, 2026 by iemejia Member • Draft
GH-3558: Properly close buffers
#3559 opened May 13, 2026 by Fokko Contributor Loading…
2
8
GH-3354: Override LocalInputFile.toString to return the path
#3557 opened May 12, 2026 by 1fanwang Loading…
1
PARQUET-3479: Add configuration to disable early dictionary compression check
#3556 opened May 11, 2026 by yadavay-amzn Contributor Loading…
Optimize compression hot paths: bypass Hadoop codec abstraction for Snappy, LZ4_RAW, ZSTD, and GZIP
#3555 opened May 11, 2026 by iemejia Member • Draft
5
GH-3547: Add semi-automated release pipeline for Apache Parquet Java
#3548 opened May 6, 2026 by RussellSpitzer Member Loading…
12
GH-3542 Fix LocalInputFile ByteBuffer read methods to support direct and non-zero-position buffers
#3543 opened May 4, 2026 by arouel Contributor Loading…
1
3
GH-3522: Reduce peak memory during row group flush by eagerly releasing column buffers
#3537 opened May 1, 2026 by iemejia Member • Draft
GH-3522: Eliminate unnecessary page-size copies in compressed page assembly and CRC checksums
#3536 opened May 1, 2026 by iemejia Member • Draft
GH-3522: Add batch read APIs to ValuesReader hierarchy
#3535 opened May 1, 2026 by iemejia Member • Draft
GH-3522: Optimize delta binary packing with batch unpack32/pack32 and cached packers (+13-37% decode)
#3534 opened May 1, 2026 by iemejia Member • Draft
GH-3522: Optimize IntList.size() from O(slabs) to O(1) with running counter
#3533 opened May 1, 2026 by iemejia Member • Draft
3
PARQUET-3459: Per column compression
#3526 opened Apr 23, 2026 by mengna-lin Loading…
1
PARQUET-3364: Allow hyphens in column names in AvroSchemaConverter
#3524 opened Apr 21, 2026 by yadavay-amzn Contributor Loading…
1
GH-3522: Reuse intermediate buffers in RunLengthBitPackingHybridDecoder PACKED path (~22% throughput on dictionary-id decode)
#3523 opened Apr 21, 2026 by iemejia Member • Draft
1
4
GH-3516: Optimize DeltaByteArrayWriter and DeltaLengthByteArrayValuesWriter
#3517 opened Apr 21, 2026 by iemejia Member • Draft
1
1
GH-3513: Optimize dictionary writers with OpenHashMap + ArrayList (up to ~70x encodeDictionary)
#3514 opened Apr 20, 2026 by iemejia Member • Draft
1
3
GH-3511: Add JMH encoding benchmarks and fix parquet-benchmarks shaded jar
#3512 opened Apr 19, 2026 by iemejia Member • Draft
1
5
GH-3509: Optimize BinaryPlainValuesReader by reading directly from ByteBuffer
#3510 opened Apr 19, 2026 by iemejia Member • Draft
1
2
GH-3507: Reduce allocation overhead of no-op GeospatialStatistics.Builder
#3508 opened Apr 19, 2026 by arouel Contributor Loading…
1
3
GH-3505: Optimize ByteStreamSplitValuesReader page transposition
#3506 opened Apr 19, 2026 by iemejia Member • Draft
1
GH-3503: Optimize ByteStreamSplitValuesWriter with batched scatter writes
#3504 opened Apr 19, 2026 by iemejia Member • Draft
1
GH-3501: Speed up DictionaryValuesWriter.shouldFallBack()
#3502 opened Apr 19, 2026 by arouel Contributor Loading…
1
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