文件操作 - tcp_mem.conf
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文件: /opt/netdata/usr/lib/netdata/conf.d/health.d/tcp_mem.conf
编辑文件内容
# # check # http://blog.tsunanet.net/2011/03/out-of-socket-memory.html # # We give a warning when TCP is under memory pressure # and a critical when TCP is 90% of its upper memory limit # alarm: tcp_memory on: ipv4.sockstat_tcp_mem os: linux hosts: * calc: ${mem} * 100 / ${tcp_mem_high} units: % every: 10s warn: ${mem} > (($status >= $WARNING ) ? ( ${tcp_mem_pressure} * 0.8 ) : ( ${tcp_mem_pressure} )) crit: ${mem} > (($status >= $CRITICAL ) ? ( ${tcp_mem_pressure} ) : ( ${tcp_mem_high} * 0.9 )) delay: up 0 down 5m multiplier 1.5 max 1h info: the amount of TCP memory as a percentage of its max memory limit to: sysadmin
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