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could not be resolved (110: Operation timed out)
jiazm2016
xxxx could not be resolved (110: Operation timed out)
项目中要通过http去请求其他服务，每次请求都会有DNS解析这一步。刚开始请求时，DNS解析正常，没有超时，但是过一会，DNS解析超时越来越多。单独拿出服务中解析超时的域名，在linux环境中用dig命令去解析，全部正常。我的nginx.conf配置中，resolver_timeout 60s（默认30s）,resolver 8.8.8.8。请问是哪里的问题？我需要怎么去排查？
