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  1. Apache Arrow
  2. ARROW-1224

[Format] Clarify language around buffer padding and alignment in IPC

Details

    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • None
    • 0.6.0
    • Format
    • None

    Description

      We recommend 64-byte padding in memory allocations, but in practice some systems may emit buffers that are only 8-byte aligned. We should take a look through the format documents and perhaps indicate that 64-byte padding is the preferred padding but that 8-byte padding is the required padding.

      In particular, it should be clear that each buffer in an IPC payload must start on an aligned 8-byte offset, but it does not necessarily need to be 64-byte aligned.

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            siddteotia Siddharth Teotia
            wesm Wes McKinney
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