xiarixiaoyao commented on pull request #5168:
URL: https://github.com/apache/hudi/pull/5168#issuecomment-1081654673
@xushiyan @leesf @alexeykudinkin pls review this change
enable vectorize for cow/mor snapshort read.
and benchmark test to prevent perf regression.
```
before change:
perf cow snapshot read: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------
vectorized disable 2204 2208
5 4.5 220.4 1.0X
vectorized enable 2183 2218
49 4.6 218.3 1.0X
after change:
perf cow snapshot read: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------
vectorized disable 2178 2180
2 4.6 217.8 1.0X
vectorized enable 659 674
24 15.2 65.9 3.3X
```
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