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Type: Task
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Resolution: Unresolved
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Priority: Major - P3
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None
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Affects Version/s: None
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Component/s: None
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Cluster Scalability
How to perform the check:
1. Scan the oplog on all shards.
2. Ignore oplog with type 'n' or oplog without lsid or txnNumber.
3. Verify that this property is true: combination of (lsid, txnNumber, stmtId) is unique across all shards. If not, print out the oplog and which shards have the duplicate combinations.