Parquet Java ALP Implementation - #3397

Open

vinooganesh wants to merge 64 commits into

apache:masterfrom

vinooganesh:vinooganesh/alp-java-implementation

Commits on Jan 22, 2026

Add ALP (Adaptive Lossless floating-Point) encoding support
julienledem
committed
03c2933
Fix formatting in DirectCodecFactory and ParquetMetadataConverter
julienledem
committed
65e1fe7
Fix javadoc HTML escaping in AlpEncoderDecoder
julienledem
committed
f6810ce
Skip ALP in encoding equivalence test
julienledem
committed
35aa255
Apply spotless formatting to ParquetMetadataConverter
julienledem
committed
1856bcf

Commits on Feb 15, 2026

first pass of ALP java implementation
vinooganesh
committed
c576d9a

Commits on Feb 18, 2026

Fix uint16 overflow bug in max vector
vinooganesh
committed
e799b91

Commits on Mar 14, 2026

Align ALP wire format with C++ Arrow for interop compatibility
vinooganesh
committed
0278f5f

Commits on Mar 22, 2026

Commits on Mar 23, 2026

Commits on Apr 16, 2026

Merge remote-tracking branch 'origin/master' into vinooganesh/alp-java-implementation
vinooganesh
committed
0387f76

Commits on Apr 17, 2026

Add ALP encoding write support, Thrift patch, and interop tests
vinooganesh
committed
c67aa6c

Commits on Apr 23, 2026

Merge remote-tracking branch 'origin/master' into vinooganesh/alp-java-implementation
vinooganesh
committed
2bf9cea

Commits on Apr 25, 2026

Preserve ALP preset cache across page resets, fix benchmark build, add pyarrow interop test
vinooganesh
committed
e1ae3cc

Commits on May 16, 2026

Add configurable ALP vector size knob
vinooganesh
committed
4dc1bea

Commits on May 17, 2026

Commits on May 18, 2026

Commits on May 24, 2026

Emit CSV truth sidecar alongside the corner-case fixture
vinooganesh
committed
a99f03a

Commits on May 26, 2026

Add adversarial tests for ALP reader
vinooganesh
committed
0119ad6
Verify ALP-encoded columns emit correct min/max statistics
vinooganesh
committed
e5b41fd
Skip ALP generator tests when ALP_OUTPUT_DIR isn't set
vinooganesh
committed
252086e

Commits on May 29, 2026

Merge remote-tracking branch 'origin/master' into vinooganesh/alp-java-implementation
vinooganesh
committed
5437416

Commits on Jul 1, 2026

Merge remote-tracking branch 'origin/master' into vinooganesh/alp-java-implementation
vinooganesh
committed
b1a6e02

Commits on Jul 6, 2026

Use signed FOR range when estimating ALP float encoding size
vinooganesh
committed
5366370

Commits on Jul 7, 2026

Commits on Jul 11, 2026

Commits on Jul 13, 2026

Commits on Jul 14, 2026

Add ALP partial-null page test coverage
vinooganesh
committed
fbb75ea

Commits on Jul 17, 2026

Commits on Jul 18, 2026

Commits on Aug 15, 2026

Commits on Aug 23, 2026

Merge remote-tracking branch 'origin/master' into vinooganesh/alp-java-implementation
vinooganesh
committed
2715d97

Commits on Aug 29, 2026

Merge remote-tracking branch 'origin/master' into vinooganesh/alp-java-implementation
vinooganesh
committed
5a0ea6e

Commits on Sep 5, 2026

Merge remote-tracking branch 'origin/master' into vinooganesh/alp-java-implementation
vinooganesh
committed
4f213ef
Harden the ALP reader against forged page headers
vinooganesh
committed
338fb99
Let the ALP preset cache actually build
vinooganesh
committed
eb0e594
Configure ALP through a single AlpConfig property
vinooganesh
committed
99ae547
Tidy up ALP class structure and naming
vinooganesh
committed
78c1d18
Declare ALP in parquet.thrift, drop the perl patch
vinooganesh
committed
229e0d9
Encode each value once when searching and writing
vinooganesh
committed
8e743c6