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  1. IMPALA
  2. IMPALA-8253 Implement delta encoding in Parquet
  3. IMPALA-8710

Increase allowed bit width to 64 for bit packing

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Details

    • Sub-task
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • None
    • None
    • Backend
    • None
    • ghx-label-2

    Description

      Increase the allowed bit width for bit packing and bit unpacking to 64
      bits. This is needed to support Parquet Delta Encoding.

      Also add new methods to BitWriter and BatchedBitReader handling Uleb and
      ZigZag integers for 64 bits.

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          breaks

          Bug - A problem which impairs or prevents the functions of the product. IMPALA-8833 Check failed: bit_width <= sizeof(T) * 8 (40 vs. 32) in BatchedBitReader::UnpackBatch()

          • Blocker - Blocks development and/or testing work, production could not run
          • Resolved

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              daniel.becker Daniel Becker
              daniel.becker Daniel Becker
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              Dates

                Created:
                Updated:
                Resolved: