[GitHub] [incubator-brpc] gxkevin opened a new issue #886: brpc log performance

[GitBox]

gxkevin opened a new issue #886: brpc log performance
URL: https://github.com/apache/incubator-brpc/issues/886
 
 
   我有个问题，关于log的：
       1：目前我看到brpc的log中，使用了localtime_s/localtime_r，这两个函数应该调用了__tz_convert， 
__tz_convert，有tzset_lock全局锁，每次获取时间都会使用到kernel级别的futex锁，不知道我分析的对不对，这块getimeofday会不会好点
   
        #if _MSC_VER >= 1400
            localtime_s(&local_tm, &t);
       #else
           localtime_r(&t, &local_tm);
       #endif
   
       2：关于log打印的问题，目前多线程下，log打印是有锁的，当打印的内容比较多的时候，这个锁就会有一定的问题，是否有种无锁的设计方式？

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