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GH-47752: [C++][Python][Parquet] Add minimum compression savings for V2 pages - #52580

Merged

rok merged 18 commits into

apache:mainfrom

MashrafeeAryan:adaptive-compression

Nov 2, 2026

Merged

GH-47752: [C++][Python][Parquet] Add minimum compression savings for V2 pages#52580
rok merged 18 commits into
apache:mainfrom
MashrafeeAryan:adaptive-compression

Commits on Nov 2, 2026
- Add adaptive compression for Parquet V2 pages
  MashrafeeAryan
  committed
  d3858a9
- Let Python users set minimum compression savings
  MashrafeeAryan
  committed
  64536b9
- Fix ignored compression savings in dataset writing
  MashrafeeAryan
  committed
  755450f
- Reject min_space_savings for V1 pages
  MashrafeeAryan
  committed
  d25d99e
- Skip compression when it saves no space
  MashrafeeAryan
  committed
  5225c76
- Reject bad savings values right away
  MashrafeeAryan
  committed
  c05bada
- Check that Python uses compression savings
  MashrafeeAryan
  committed
  4bb362d
- Explain minimum compression savings
  MashrafeeAryan
  committed
  44b17a8
- Fix C++ formatting
  MashrafeeAryan
  committed
  4646459
- Fix documentation for rok's doc comment
  MashrafeeAryan
  committed
  50c20ee
- Add compression savings threshold test
  MashrafeeAryan
  committed
  67b4d0f
- Test both sides of the compression savings threshold
  MashrafeeAryan
  committed
  3d8ea4a
- Rename compression savings and use zero as the default
  MashrafeeAryan
  committed
  e06efec
- Update docs/source/cpp/parquet.rst
  
  MashrafeeAryan
  and
  pitrou
  committed
  1f68970
- Remove extra space in Parquet docs
  MashrafeeAryan
  committed
  733ed64
- Use a small default compression savings value
  MashrafeeAryan
  committed
  edc32fe
- Use 1% compression savings by default
  MashrafeeAryan
  committed
  f39dc5e
- Small wording nit in docstring
  pitrou
  authored
  f22a742

Commits

Commits on Nov 2, 2026