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Type: Bug
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Resolution: Done
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Priority: Critical - P2
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Affects Version/s: 1.8.2, 2.0.0
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Component/s: Concurrency, Sharding
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Environment:CentOS 5.5, 64GB RAM, HW RAID10 w/BBU , XFS for mongo data folder (mount with nobarriers,noatime)
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Linux
sometimes running a bulk insert right after an upsert(with the $set command) will result in the document containing only the data from the upsert and not the data from the insert, and the insert doesn't throw duplicate exception.
I wasn't able to reproduce on windows environment. only on linux shard.
The collection is sharded, the cluster has 3 shards, each with has a replica set. connection is using mongos.