Details
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Task
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Resolution: Fixed
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Major - P3
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None
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None
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None
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Fully Compatible
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v6.2
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Sharding EMEA 2023-02-06
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100
Description
update_stage currently fetches the sharding collectionDescription for every document it modifies. It would be enough to fetch it only once per restore-yield cycle, and reuse it for all updates done in that cycle.
This is to fix the performance regression caused by SERVER-69435 (BF-26813) which made getting the CSS more expensive.