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  1. Core Server
  2. SERVER-65131

Disable opportunistic read targeting (except for hedged reads)

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Details

    • Fully Compatible
    • v6.0, v5.3, v5.0, v4.4, v4.2
    • Service Arch 2022-05-02, Service Arch 2022-05-16
    • 135

    Description

      As a result of investigation for SERVER-57230, we have decided to disable opportunistic read targeting (except for hedged reads), similar to what was done in SERVER-54278.

      Acceptance criteria: running ConnectionsBuildup workload shows an even distribution of work over the secondary nodes.

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          duplicates

          Bug - A problem which impairs or prevents the functions of the product. SERVER-57230 mongos doesn't distribute secondary reads evenly on v4.4 or above

          • Major - P3 - Major loss of function.
          • Closed
          is depended on by

          Bug - A problem which impairs or prevents the functions of the product. SERVER-57230 mongos doesn't distribute secondary reads evenly on v4.4 or above

          • Major - P3 - Major loss of function.
          • Closed
          is documented by

          Task - A task that needs to be done. DOCS-15330 Investigate changes in SERVER-65131: Disable opportunistic read targeting (except for hedged reads)

          • Major - P3 - Major loss of function.
          • Closed
          is related to

          Task - A task that needs to be done. DOCS-15378 [BACKPORT] [v6.0] Disable opportunistic read targeting (except for hedged reads)

          • Major - P3 - Major loss of function.
          • Backlog

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              vojislav.stojkovic@mongodb.com Vojislav Stojkovic
              vojislav.stojkovic@mongodb.com Vojislav Stojkovic
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                Created:
                Updated:
                Resolved: