google / google/cctz

loadtimezone and n_sec impl is slow in starrocks

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#212 4 comments 0 reactions 0 assignees View on GitHub
Dominant language
C++
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4d 22h
Merged PRs (30d)
6

Description

other olap use cctz, it occure 2 function inside cctz
n_sec and loadTimeZone
it calls too much time, so kernel goes the spin_lock_slowpath

![image](https://user-images.githubusercontent.com/35732071/149874352-41fd6648-7c56-4185-b5e4-77f5d386b9f0.png)

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