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Type:
Task
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Resolution: Fixed
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Priority:
Major - P3
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Affects Version/s: None
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Component/s: None
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Catalog and Routing
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Fully Compatible
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CAR Team 2026-06-08
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200
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🟦 Shard Catalog
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The use of a side recovery unit to implement RYOW (SERVER-116091) on transactions can theoretically lead to unavailability as described in SERVER-61116. WT requires a single session per thread, as otherwise under cache pressure a thread recruited for eviction can end up waiting for itself.
Investigate if we are making the issue materially worse (we were already using a side transaction to perform multikey writes), and whether we need to move to an alternative implementation for RYOW.
- is related to
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SERVER-41766 Secondary may encounter prepare conflict when applying write that sets the multikey flag
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- Closed
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- Closed
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SERVER-61116 Audit and add assertions against using multiple WT_SESSIONs on the same thread
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- Backlog
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- related to
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- Open
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