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  1. IMPALA
  2. IMPALA-4835 HDFS scans should operate with a constrained number of I/O buffers
  3. IMPALA-6598

Investigate memory requirement regression from scanner buffer pool change

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      Figure out why memory requirements increased on some queries (e.g. IMPALA-6585) and do what we can to minimise the impact.

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          is broken by

          Improvement - An improvement or enhancement to an existing feature or task. IMPALA-4835 HDFS scans should operate with a constrained number of I/O buffers

          • Major - Major loss of function.
          • Resolved
          is depended upon by

          Improvement - An improvement or enhancement to an existing feature or task. IMPALA-4835 HDFS scans should operate with a constrained number of I/O buffers

          • Major - Major loss of function.
          • Resolved

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              tarmstrong Tim Armstrong
              tarmstrong Tim Armstrong
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