In SERVER-66782 we changed all the balancer policy unit tests to only have 1 chunk per shard and we removed some of the unit tests that use to rely on having multiple chunks.
This reduced considerably the coverage of these tests.
The goal of this ticket is to revert those changes and re-add the removed test cases.
- is caused by
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SERVER-66782 Remove BalanceAccordingToDataSize feature flag
- Closed
- is depended on by
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SERVER-82365 Optimize the construction of the balancer's collection distribution status histogram (2nd attempt)
- Closed