There are currently two known causes for invalid mixed schema data (SERVER-107361 and SERVER-91194). These can be differentiated by examining bucket size and measurement count, we should do so in validation results to improve clarity in validation failures.
- is related to
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SERVER-91194 timeseriesBucketsMayHaveMixedSchemaData not properly cloned upon data migration/initial sync/restore
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- Closed
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SERVER-107361 Rollover determination in the bucket catalog can fail to check mixed schema for large measurements
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- Closed
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