[9.3] Revert "Partition time-series source (#140475)" (#141229)#141232
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elasticsearchmachine merged 1 commit intoelastic:9.3from Jan 24, 2026
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[9.3] Revert "Partition time-series source (#140475)" (#141229)#141232elasticsearchmachine merged 1 commit intoelastic:9.3from
elasticsearchmachine merged 1 commit intoelastic:9.3from
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The competitive benchmark shows a significant performance regression from elastic#140475. This is likely due to the high number of CPUs in the benchmark, which results in many small slices and adds significant overhead. It is better to revert this change for now and adjust the partitioning for cases with high CPU and more than one shard before merging again. Relates elastic#14047 (cherry picked from commit 1146b88) # Conflicts: # x-pack/plugin/esql/qa/testFixtures/src/main/resources/k8s-timeseries.csv-spec
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