Comments (14)
bestsiyue
commented on August 10, 2024
3
@kongfei605
kernel: neighbour: arp_cache: neighbor table overflow!
系统日志告警arp缓存表溢出，使用sysctl -w net.ipv4.neigh.default.gc_thresh3=2048调整缓存表大小就不timeout了。
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kongfei605
commented on August 10, 2024
可以先检查一下categraf到edge的网络状况, 网络状况不好控制那就调大超时时间
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bestsiyue
commented on August 10, 2024
您好，categraf 和edge在同一台设备上。
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kongfei605
commented on August 10, 2024
您好，categraf 和edge在同一台设备上。
同一台设备上，用localhost 127.0.0.1
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kongfei605
commented on August 10, 2024
用localhost 和 127.0.0.1 测试结果如何？
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bestsiyue
commented on August 10, 2024
hi，配置文件已改为127.0.0.1，日志里依然出现timeout
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UlricQin
commented on August 10, 2024
如果n9e-edge没有异常日志，大概率就是环境问题，可能的原因比如firewalld配置不合理，iptables配置不合理等等，当然也可能是其他原因，摸不到环境无法判断。建议更换个机器测试
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bestsiyue
commented on August 10, 2024
我停用了firewalld服务，categraf日志出现了IPVS services服务错误。
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bestsiyue
commented on August 10, 2024
停用firewalld之后timeout依然存在。
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UlricQin
commented on August 10, 2024
你的writer也要设置为127.0.0.1，另外还要检查iptables和selinux，如果还搞不定，建议更换机器测试，或者找你们公司擅长网络的同事给看看
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bestsiyue
commented on August 10, 2024
经测试，不是防火墙和selinux的问题。
像是n9e-edge的writers接口被categraf打死了，我的categraf下挂了1000多台设备的snmp指标监控，减少设备数量之后就没有timeout错误出现了。
但是主机资源负载很低，按道理不应该是资源被打满出现的timeout。
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bestsiyue
commented on August 10, 2024
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kongfei605
commented on August 10, 2024
检查下fd的限制
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kongfei605
commented on August 10, 2024
感谢反馈~
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