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  1. IMPALA
  2. IMPALA-8562

Data cache should skip scan range with mtime == -1

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Details

    • Bug
    • Status: Resolved
    • Blocker
    • Resolution: Fixed
    • Impala 3.3.0
    • Impala 3.3.0
    • Backend
    • None
    • ghx-label-1

    Description

      As show in IMPALA-8561, using mtime == -1 as part of cache key may lead to reading stale data. Data cache should probably just skip caching those entries.

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          is broken by

          Improvement - An improvement or enhancement to an existing feature or task. IMPALA-8341 Data cache for remote reads

          • Critical - Crashes, loss of data, severe memory leak.
          • Resolved
          is related to

          Bug - A problem which impairs or prevents the functions of the product. IMPALA-8561 ScanRanges with mtime=-1 can lead to inconsistent reads when using the file handle cache

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

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              kwho Michael Ho
              kwho Michael Ho
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              Dates

                Created:
                Updated:
                Resolved: