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Type: Bug
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Resolution: Fixed
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Priority: Major - P3
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Affects Version/s: 6.0.0-rc5
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Component/s: None
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None
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Fully Compatible
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ALL
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v6.0
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QE 2022-05-30, QE 2022-06-13, QE 2022-06-27
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35
Update/delete operation throughput can severely (>10x) decrease when the change stream pre-images are enabled and more than one collection with change stream pre-images enabled is/has been active in terms of updates/deletes performed.
The problem manifests almost always in throughput/latency change stream with pre-images tests. The impact can be seen on the second and subsequent test runs within a task. There is some randomness aspect caused by random assignment of unique ids to collections. The test sample in which the problem manifests: 15_whenAvailablefdbc_preImage_1c_avg_latency.
- related to
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SERVER-67786 CollectionScan stage triggers redundant cursor next() call when minRecord==maxRecord
- Closed
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SERVER-67473 Support insert operations for implicitly replicated namespaces
- Closed