[Backport 2.19-dev] Pushdown sort aggregate metrics (#4603)#4658
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yuancu merged 2 commits intoopensearch-project:2.19-devfrom Oct 27, 2025
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* convert sort aggregate metrics to term sort Signed-off-by: Lantao Jin <ltjin@amazon.com> * refactor Signed-off-by: Lantao Jin <ltjin@amazon.com> * fix conflicts Signed-off-by: Lantao Jin <ltjin@amazon.com> * fix conflicts2 Signed-off-by: Lantao Jin <ltjin@amazon.com> * Add more javadoc Signed-off-by: Lantao Jin <ltjin@amazon.com> * address comments Signed-off-by: Lantao Jin <ltjin@amazon.com> * delete incorrect comments Signed-off-by: Lantao Jin <ltjin@amazon.com> * convert composite agg to multi-terms agg for sort metrics on multiple buckets Signed-off-by: Lantao Jin <ltjin@amazon.com> * avoid the case of 'stat count, sum ... | sort count' Signed-off-by: Lantao Jin <ltjin@amazon.com> --------- Signed-off-by: Lantao Jin <ltjin@amazon.com> (cherry picked from commit 5ebed84)
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Signed-off-by: Lantao Jin <ltjin@amazon.com>
qianheng-aws
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Oct 27, 2025
yuancu
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Oct 27, 2025
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(cherry picked from #4603 commit 5ebed84)