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Draft Support for Very Large Collection - #21852

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pcanal wants to merge 37 commits into

root-project:Arlesiennefrom

pcanal:very_large_collection

Draft

Draft Support for Very Large Collection#21852
pcanal wants to merge 37 commits into
root-project:Arlesiennefrom
pcanal:very_large_collection

Commits on Oct 1, 2026
- io: Clarify byte count related limits
  pcanal
  committed
  ba6a858
- io: Improve ByteCountStack assert
  pcanal
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  61cee32
- io: TBufferClass fix handling of large bytecount.
  pcanal
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  687eecc
- io: Add more debugging for ByteCountStack
  pcanal
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  c5d94e3
- io: Improve ByteCountStack error message
  pcanal
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  38956e0
- net: Keep TMessage to 32 bits (no real enforcement yet)
  pcanal
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  a4cf3bb
- io/meta: Ensure NewArray* takes a 64 bit integer.
  pcanal
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  3e6e7ff
- io: TBuffer offset member to 64bits
  pcanal
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  ffcad09
- io: Lift size limit on TBufferFile ...
  pcanal
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  4db05b1
- io: Update TBuffer API, ctor and SetBuffer 64bits:
  pcanal
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  882f687
- io: Read/WriteFastArray Float to Long64_t
  pcanal
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  b08d508
- io: Relax TBuffer::AutoExpand to 64bits
  pcanal
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  9ccb081
- io: 64bits TVirtualCollectionProxy
  pcanal
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  1e85be4
- io: Read TStreamerInfo version to 11, 64bits collection size in old code
  pcanal
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  d194ae7
- io: (for) TStreamerInfo version to 11, 64bits collection size
  pcanal
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  30ebdcc
- io: Extent TVirtualCollection to 64bits.
  pcanal
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  18c6617
- io: TStreamerInfo version to 11, 64bits collection size
  pcanal
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  45754a8
- io: Address warning after signature changes
  pcanal
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  38e1a06
- io: Test long range Read/WriteObjectAny
  pcanal
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  0c9fdb4
- io: Add test for ByteCount for 4GB+ objects
  pcanal
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  e1d57cd
- io: Old StreamerInfo read/write 64 bit collections
  pcanal
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  bc1b03d
- io: Add missing CheckByteCount in TConvertClonesArrayToProxy
  pcanal
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  c4bc062
- io: Adjust file size due to TStreamerInfo version change.
  pcanal
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  97713d6
- io: Adjust file size due to TStreamerInfo version change.
  pcanal
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  488c47c
- io: std::signbit(int) not avail on Windows
  pcanal
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  958394c
- io: Allow to map long range TObjects
  pcanal
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  3393769
- io: Test very large collections
  pcanal
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  be6369d
- io: increase timeout for testLargeCollections
  pcanal
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  abfb40a
- Speed up testLargeCollection
  pcanal
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  11f5781
- io: Extend large collection test
  pcanal
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  b2bd3a3
- io: add memory info to LargeCollection test
  pcanal
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  936a305
- io: Skip large collection test when not enough memory
  pcanal
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  2ae8a7a
- tree: Add protection against incorrect leaflist SetBranchAddress
  pcanal
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  4071fcc
- REVERTME: focus on alma10 arm64
  pcanal
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  f380d77
- REVERTME: focus on LargeCollection
  pcanal
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  c25609a
- Revert "REVERTME: focus on alma10 arm64"
  pcanal
  committed
  919071a
- NOT READY: [tree] Fix handling of poorly cluster file in the retain previous cluster's basket code.
  pcanal
  committed
  46afec7

Commits

Commits on Oct 1, 2026