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  1. Core Server
  2. SERVER-21497

Disable yield_geo_near_dedup.js FSM workload when balancer is running

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    Details

    • Type: Task
    • Status: Closed
    • Priority: Minor - P4
    • Resolution: Fixed
    • Affects Version/s: 3.2.0-rc2
    • Fix Version/s: 3.2.0-rc4
    • Component/s: Testing Infrastructure
    • Labels:
      None
    • Backwards Compatibility:
      Fully Compatible
    • Sprint:
      QuInt C (11/23/15)
    • Linked BF Score:
      0

      Description

      The yield_geo_near_dedup.js workload tests that documents returned by the geoNear command are deduplicated by their RecordId. It assumes the pair (_id, timesInserted) uniquely determines a RecordId; however, that isn't the case in a sharded system where documents can move between shards. Since mongos cannot return information about which shard the document came from, i.e. to deduplicate by the triplet (shard #, _id, timesInserted), the assertions that the workload makes may fail when the balancer is running concurrently.

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                • Created:
                  Updated:
                  Resolved: