3.2 shards expect and require moveChunk commands to include an "epoch" field. Append it to moveChunk commands in 3.4 – it will be safely removed in 3.6 (SERVER-20742).
- is depended on by
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SERVER-25153 Add mixed version shards to sharding_last_stable_mongos suite
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- Closed
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- is related to
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SERVER-20742 Stop sending epoch to mongod on move chunk operations
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- Closed
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