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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: Sharding
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Fully Compatible
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Sharding 2021-05-17
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1
- reshardingCoordinatorServiceMaxThreadCount - defaults to 3, minimum of 1, and maximum of 256.
- reshardingDonorServiceMaxThreadCount - defaults to 2, minimum of 1, and maximum of 256.
- reshardingRecipientServiceMaxThreadCount - defaults to 8 (or 16 if SERVER-55330 is completed first), minimum of 1, and maximum of 256.
Also change the default value of reshardingOplogBatchTaskCount to (reshardingRecipientServiceMaxThreadCount + 1) / 2. See the internalInsertMaxBatchSize server parameter as an example of this pattern.