Issues · apache/parquet-java · GitHub

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`RequiresFallback.isCompressionSatisfying` is too aggressive with current default page size

Type: enhancement

#3479

· etseidl opened

on Apr 14, 2026

LZ4_RAW heap decompression fails on chunked `BytesInput` materialization for large pages

#3478

· arouel opened

on Apr 14, 2026

AvroSchemaConverter silently drops typed_value when converting shredded variant schemas

#3477

· nssalian opened

on Apr 14, 2026

Parquet Java vectorized module not working with newer JDKs

#3475

· iemejia opened

on Apr 13, 2026

VariantUtil.getMetadataMap reads from wrong position for non-array ByteBuffer; VariantBuilder.appendBinary mutates caller's ByteBuffer

#3471

· rayokota opened

on Apr 11, 2026

Error which block the compilation

#3468

· Yao-MR opened

on Apr 7, 2026

Improve `RunLengthBitPackingHybridDecoder.readNext` to avoid per-call buffer allocation and `DataInputStream` wrapping

Type: enhancement

#3466

· arouel opened

on Apr 6, 2026

Improve `DeltaByteArrayWriter.writeBytes` to avoid unnecessary allocation and scalar prefix comparison

Type: enhancement

#3464

· arouel opened

on Apr 6, 2026

Avoid unnecessary debug logging overhead in record write hot path

Type: enhancement

#3461

· arouel opened

on Apr 2, 2026

Enable per column compression

Type: enhancement

#3459

· mengna-lin opened

on Mar 31, 2026

Column index with null_pages=true and null_counts=0 causes silent data loss during filter pushdown

#3457

· clee704 opened

on Mar 28, 2026

Add a JMH benchmark for variants

Type: enhancement

#3451

· steveloughran opened

on Mar 19, 2026