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Type:
Improvement
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Resolution: Done
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Priority:
Major - P3
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Affects Version/s: None
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Component/s: Replication, Storage
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None
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Fully Compatible
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QuInt A (10/12/15)
Plan:
Add a new option --enableMajorityReadConcern. It will be enabled by default on CSRS nodes. When enabled, we will fail to start up if the selected storage engine doesn't support snapshots. When disabled, requests with readMajority=majority will fail with a dedicated error.
At some point during the RCs before GA release, we will disable the snapshot thread if --enableMajorityReadConcern is not specified (SERVER-20825). Until then, we will leave the thread enabled by default until then to allow more burn-in time across more workloads.
- is related to
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SERVER-22617 SnapshotThread hits invariant due to reading oplog entries out of order
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- Closed
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- related to
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SERVER-20825 Only start snapshot thread when majority read concern is enabled
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- Closed
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