From b485aab7e71c1625cfc27e0f92c9509f42378458 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 5 May 2024 13:19:16 +0200 Subject: Adding upstream version 1.45.3+dfsg. Signed-off-by: Daniel Baumann --- src/health/health.d/tcp_orphans.conf | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 src/health/health.d/tcp_orphans.conf (limited to 'src/health/health.d/tcp_orphans.conf') diff --git a/src/health/health.d/tcp_orphans.conf b/src/health/health.d/tcp_orphans.conf new file mode 100644 index 000000000..7b2d95edb --- /dev/null +++ b/src/health/health.d/tcp_orphans.conf @@ -0,0 +1,22 @@ +# check +# http://blog.tsunanet.net/2011/03/out-of-socket-memory.html +# +# The kernel may penalize orphans by 2x or even 4x +# so we alarm warning at 25% and critical at 50% +# + + alarm: tcp_orphans + on: ipv4.sockstat_tcp_sockets + class: Errors + type: System + component: Network +host labels: _os=linux + calc: ${orphan} * 100 / ${tcp_max_orphans} + units: % + every: 10s + warn: $this > (($status >= $WARNING ) ? ( 20 ) : ( 25 )) + crit: $this > (($status == $CRITICAL) ? ( 25 ) : ( 50 )) + delay: up 0 down 5m multiplier 1.5 max 1h + summary: System TCP orphan sockets utilization + info: Orphan IPv4 TCP sockets utilization + to: silent -- cgit v1.2.3