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cch123 avatar cch123 commented on August 16, 2024

简单的思路似乎是可以先采集 fd 数:
https://stackoverflow.com/questions/21752067/counting-open-files-per-process

然后当 fd 数异常飚升时,用 lsof -p pid 把信息采集下来

不过感觉这个采集 fd 数成本好像有点高啊。。

等我把采集函数给拆掉应该可以试试

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xiezhenouc avatar xiezhenouc commented on August 16, 2024

"不过感觉这个采集 fd 数成本好像有点高啊。。"

对,我们线上有高并发模块,物理机部署,采集 fd 数 挺慢的。。

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taoyuanyuan avatar taoyuanyuan commented on August 16, 2024

@xiezhenouc 看你描述是大流量,如果是连接数的socket句柄导致的,通过goroutine的dump是可以抓到现场的。

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xiezhenouc avatar xiezhenouc commented on August 16, 2024

嗯,感谢大佬~

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xiezhenouc avatar xiezhenouc commented on August 16, 2024

@xiezhenouc 看你描述是大流量,如果是连接数的socket句柄导致的,通过goroutine的dump是可以抓到现场的。

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