redis.log not flush in docker on mac OrbStack

[3tieto]

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• I had searched in the issues and found no similar issues.

Version

unstable

Minimal reproduce step

https://lusun.com/v/5tn1fBHzmDO

EVAL 'redis.log(redis.LOG_WARNING, "test")' 0

I recorded the videos, all in docker, and the first redis shown was output in real time. Then I turned off redis and used kvrocks. I can see that it needs to cache more than a dozen items before outputting them at once.

我录了下视频，都是docker，第一个展示的redis，是实时输出的。然后我关了redis，用kvrocks，可以看到要缓存十几条才一次输出

[git-hulk]

@3tieto Thank you!

[git-hulk]

I cannot reproduce it on my side. To see if other folks have any clues.

[i18nsite]

如上图，加上FLAGS_logbuflevel = -1; 可以只延时一个输出了（我也不知道为什么还是要延时一个，也就是 stdout会实时输出， LOG(WARNING)要打印下一个的时候会输出上一个 ）