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  1. Core Server
  2. SERVER-62738

Give mongos the ability to passthrough to a specific shard

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Details

    • Fully Compatible
    • QE 2022-02-07, QE 2022-02-21, QE 2022-03-07, QE 2022-01-24

    Description

      • add TargetingPolicy::kSpecificShardOnly to the aggregation shard targeter
      • add a cluster_aggregation_planner::runPipelineOnSpecificShard function to implement this policy
      • This should only be used if $_passthroughToShard option is specified

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          backported by

          Task - A task that needs to be done. SERVER-69002 [5.0] backport pm-2419 Per Shard Cursors via mongos

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

          Task - A task that needs to be done. SERVER-69003 [4.4] backport pm-2419 Per Shard Cursors via mongos

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

          Task - A task that needs to be done. SERVER-69004 [4.2] backport pm-2419 Per Shard Cursors via mongos

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

          Task - A task that needs to be done. SERVER-63453 Investigate expanding coverage for the change_streams_per_shard_cursor_passthrough suite

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

          Activity

            People

              mickey.winters@mongodb.com Mickey Winters
              mickey.winters@mongodb.com Mickey Winters
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                Created:
                Updated:
                Resolved: