Replicated fast count crashes comitting a transaction

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    • Type: Bug
    • Resolution: Fixed
    • Priority: Major - P3
    • 8.3.0-rc0
    • Affects Version/s: None
    • Component/s: None
    • None
    • Storage Execution
    • Fully Compatible
    • ALL
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      // start up a one node replica set with featureFlagReplicatedFastCount=true

// mongosh
db.createCollection("mycoll")
session = db.getMongo().startSession(); 
session.startTransaction();  
sessionColl.insertOne({x: 1})
session.commitTransaction()

// we crash with invalid access at ReplicatedFastCountManager::initializeFastCountCommitFn()
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      // start up a one node replica set with featureFlagReplicatedFastCount= true // mongosh db.createCollection( "mycoll" ) session = db.getMongo().startSession(); session.startTransaction(); sessionColl.insertOne({x: 1}) session.commitTransaction() // we crash with invalid access at ReplicatedFastCountManager::initializeFastCountCommitFn()
    • Storage Execution 2026-02-16, Storage Execution 2026-03-02
    • 200
    • None
    • None
    • None
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          Assignee:
          Haley Connelly
          Reporter:
          Haley Connelly
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            Created:
            Updated:
            Resolved: