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  1. Core Server
  2. SERVER-37229

Switch to unordered write ops in $out

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    • Backwards Compatibility:
      Fully Compatible
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    • Sprint:
      Query 2018-10-22

      Description

      We want to avoid making guarantees to the client about which order the updates/inserts are applied in, and how one error impacts which other updates may succeed. Moving to unordered operations should allow for a performance gain in sharded output collections, since we will be able to send large batches instead of repeatedly having to wait for responses before continuing.

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