Because of the interaction hybrid index builds have with prepared transactions (see SERVER-38588), hybrid index builds are dependent on the two-phase behavior of simultaneous index builds, which will only be enabled in FCV 4.2. For this reason, hybrid index builds should be disabled unless a node is in FCV 4.2.
- is duplicated by
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SERVER-38732 Upgrade/downgrade test for hybrid index builds and temporary tables
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- Closed
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