summary: shouldBuildIndexesOnEmptyCollectionSinglePhased() is racy and can make index builds to hang forever and can block DDL operations.
The empty collection check is racy.
[Acquires collection lock in X mode.
Register index build.
Performs collection empty check by opening cursor and see if record exists or not.
Releases the collection lock.]
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[Index build thread pool scheduling
Collection scan phase
Drain phase
Commit phase]
- is duplicated by
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SERVER-46656 Secondary and primary can disagree on index build method
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- Closed
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- is related to
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- Closed
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SERVER-21700 Do not relax constraints during steady state replication
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- Closed
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- related to
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- Closed
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