congqixia 824b26c209
enhance: [2.4] Pre-allocate space for reduce data structure (#35118) (#35137)
Cherry-pick from master
pr: #35118 
Grow slice & map.growWork may cause a lot when segment number is large
for big K query. This PR pre-allocate space for reduce methods to avoid
this cost.

Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
2024-08-01 09:59:50 +08:00
..
2023-04-03 16:22:24 +08:00