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  1. Core Server
  2. SERVER-42781

Race condition in migration_manager.cpp with moveChunk command

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      see sharded_moveChunk_drop_shard_key_index.js

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      see sharded_moveChunk_drop_shard_key_index.js
    • Sharding 2019-12-02
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    Description

      If another moveChunk command moves the chunk concurrently. The check for the target chunk shardId here may sometimes fail and intermittently expose a "Destination shard cannot be the same as source" error to the clients.

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            lamont.nelson@mongodb.com Lamont Nelson
            lamont.nelson@mongodb.com Lamont Nelson
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