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Posted to dev@brpc.apache.org by "antkiller996 (via GitHub)" <gi...@apache.org> on 2023/12/01 05:30:02 UTC

Re: [I] 为什么代码方式关闭不了bvar sampling线程？ (brpc)

antkiller996 commented on issue #2244:
URL: https://github.com/apache/brpc/issues/2244#issuecomment-1835488939

   > > ![image](https://user-images.githubusercontent.com/126752534/281655776-a7eafedf-b1fc-4575-9e10-2f3db7ed2b00.png)
   > > 这个Flags使用是在main函数之前的，所以在main函数之后任何对其操作貌似都不会关闭统计线程。
   > 
   > 注释想表达：`SamplerCollector`单例在main函数之前构造的&启动了线程，所以flag实现不能放在`SamplerCollector`类中，因为不会生效。所以才放到了`Sampler::schedule`函数这儿控制。
   > 
   > 另外在`echo_c++`例子中使用下面两种方式看着都可以正确关闭：
   > 
   > 1. `bvar::detail::FLAGS_bvar_enable_sampling = false;`
   > 2. `google::SetCommandLineOption("bvar_enable_sampling", "false");`
   
   我使用的是1.6.0版本，还是关闭不了。


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