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  1. IMPALA
  2. IMPALA-9818

Add fetch size as option to impala shell

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    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: Impala 4.0
    • Component/s: Clients
    • Labels:
      None
    • Epic Color:
      ghx-label-10

      Description

      The impala shell should have an option to control the fetch size (e.g. the number of rows fetched at a time). Currently the value is hard-coded to 1024. Other clients (e.g. JDBC) have similar options (e.g. Statement#setFetchSize).

      When result spooling is enabled, setting a higher fetch size can improve performance for clients with a high RTT to/from the Impala coordinator.

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              • Assignee:
                stakiar Sahil Takiar
                Reporter:
                stakiar Sahil Takiar
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                • Created:
                  Updated:
                  Resolved: