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  1. IMPALA
  2. IMPALA-3262

Investigate Codegen Performance

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Details

    • Task
    • Status: Resolved
    • Minor
    • Resolution: Duplicate
    • Impala 2.2.4
    • None
    • Perf Investigation

    Description

      It has been observed that codegen for even relatively simple queries would take ~600ms. This is quite a significant overhead for fast queries. Investigate how to reduce the codegen time.

      Attachments

        1. LLVM CallStack.csv
          237 kB
          Mostafa Mokhtar

        Issue Links

          duplicates

          Improvement - An improvement or enhancement to an existing feature or task. IMPALA-2651 codegen overhead can be high

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Resolved

          Activity

            People

              mmokhtar Mostafa Mokhtar
              alan@cloudera.com Alan Choi
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              Dates

                Created:
                Updated:
                Resolved: