[8.x] Estimate segment field usages (#112760) #112777
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We have introduced a new memory estimation method in serverless, based on the number of segments and the fields within them. This new approach works well overall, but it still falls short in cases where most fields are used more than once - for example, in both doc_values and postings, or doc_values and points. This change exposes the total usage of fields in segments, allowing us to adjust the memory estimate for these cases.
dnhatn
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:StorageEngine/Mapping
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Backports the following commits to 8.x: