[Backport 2.19-dev] Optimize count aggregation performance by utilizing native doc_count in v3 (#4337) #4371
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…in v3 (opensearch-project#4337) * Optimize bucket aggregation performance by utilizing native doc_count in v3 Signed-off-by: Lantao Jin <ltjin@amazon.com> * fix UT Signed-off-by: Lantao Jin <ltjin@amazon.com> * Fix issue of count(FIELD) Signed-off-by: Lantao Jin <ltjin@amazon.com> * fix comments Signed-off-by: Lantao Jin <ltjin@amazon.com> * Fix typo Signed-off-by: Lantao Jin <ltjin@amazon.com> * revert the doc_count pushdown for count(FIELD) by EXPR Signed-off-by: Lantao Jin <ltjin@amazon.com> * Support pushdown count aggregation in no bucket aggregation to hits.total.value Signed-off-by: Lantao Jin <ltjin@amazon.com> --------- Signed-off-by: Lantao Jin <ltjin@amazon.com> (cherry picked from commit 8c417f4)
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yuancu
approved these changes
Sep 24, 2025
qianheng-aws
approved these changes
Sep 24, 2025
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(cherry picked from #4337 commit 8c417f4)