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-rw-r--r--health/health.d/tcp_mem.conf24
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diff --git a/health/health.d/tcp_mem.conf b/health/health.d/tcp_mem.conf
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-#
-# 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
- class: Utilization
- type: System
-component: Network
- 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
- summary: System TCP memory utilization
- info: TCP memory utilization
- to: silent