Restore date aggregation performance in UTC case #38701
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The benchmarks showed a sharp decrease in aggregation performance for the UTC case. This commit uses the same calculation as joda time, which requires no conversion into any java time object, also, the check for an fixedoffset has been put into the ctor to reduce the need for runtime calculations. The same goes for the amount of the used unit in milliseconds. Closes elastic#37826
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Pinging @elastic/es-core-infra |
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The benchmarks showed a sharp decrease in aggregation performance for
the UTC case.
This commit uses the same calculation as joda time, which requires no
conversion into any java time object, also, the check for an fixedoffset
has been put into the ctor to reduce the need for runtime calculations.
The same goes for the amount of the used unit in milliseconds.
Closes #37826
Backport to 7.0 of #38221