Details
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Improvement
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Resolution: Unresolved
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Major
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None
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6.5.1
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1
Description
There is a requirement to tolerate double failure when using Durable Writes.
Currently with the maximum of 3 replicas, if one uses PersistMajority writes, the write is synchronously written to 3 nodes. So you could tolerate 2 failures without data loss. However, write availability will be sacrificed with 2 failures.
Hence, they would like to have 5 data copies, such that all writes done durably (persistToMajority) will survive double failures as well as not lose write availability.
Attachments
Issue Links
- depends on
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MB-34150 Avoid loss of prepared SyncWrites after failover + rollback if replicas>2
- Open