现象:Unhandled exception. System.IO.IOException: The configured user limit (128) on the number of inotify instances has been reached, or the per-process limit on the number of open file descriptors has been reached. at System.IO.FileSystemWatcher.StartRaisingEvents()
1、分析原因：
在DotNet核心中读取json文件时出错“已达到inotify实例数量的配置用户限制(128)
2、处理方法
cat /proc/sys/fs/inotify/max_user_instances 查看原来的默认128
vim /etc/sysctl.conf 添加如下内容
fs.inotify.max_user_watches = 1638400
fs.inotify.max_user_instances = 1638400
使配置生效 sysctl -p
再次查看 cat /proc/sys/fs/inotify/max_user_instances 变成1638400了
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