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mixin: group alerts by collector area and add alerts for default and opt-in collectors (#2777)

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Signed-off-by: Jan-Otto Kröpke <mail@jkroepke.de>
This commit is contained in:
Jan-Otto Kröpke
2026-10-18 12:54:31 +02:00
committed by GitHub
parent eed518c3e1
commit d1b74b5ce3
104 changed files with 3751 additions and 302 deletions
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docs/runbooks/windowsnetworkerrors.md
+16 -5
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@@ -4,9 +4,16 @@ title: WindowsNetworkErrors
## Meaning
The sum of inbound and outbound packet error rates exceeds the configured
threshold for 15 minutes. The default is one error per second per interface.
The alert identifies the interface using its `nic` label.
Packets with inbound or outbound errors make up more than the configured share
of all packets on an interface for 15 minutes. The default
`networkErrorRatioThreshold` is 1 percent. The ratio divides the error rates
(`windows:net_received_errors:rate` plus `windows:net_outbound_errors:rate`) by
the packet rates (`windows:net_received_packets:rate` plus
`windows:net_sent_packets:rate`), so a quiet interface with a handful of errors
alerts while a busy interface with the same error count does not. Interfaces
that carry no packets produce no sample and cannot alert. The alert identifies
the interface using its `nic` label and keeps firing for `keepFiringFor` after
the ratio drops below the threshold.
## Impact
@@ -16,7 +23,10 @@ connection failures.
## Diagnosis
1. Inspect `windows:net_received_errors:rate` and
`windows:net_outbound_errors:rate` separately to identify the direction.
`windows:net_outbound_errors:rate` separately to identify the direction, and
compare them with `windows:net_received_packets:rate` and
`windows:net_sent_packets:rate` to see whether a low packet rate inflates the
ratio.
2. Compare traffic and `windows:net_received_utilization:ratio` and
`windows:net_sent_utilization:ratio` with the normal baseline. These ratios
use bandwidth in bytes per second and keep each direction separate.
@@ -36,4 +46,5 @@ Repair faulty links or switch ports and correct driver or adapter configuration
problems. Apply driver and firmware fixes through the normal change process.
Relieve congestion if it contributes. Verify errors stop increasing and affected
application connections recover; cumulative counters do not need to return to
zero for the rate alert to resolve.
zero for the ratio alert to resolve. Raise `networkErrorRatioThreshold` only for
interfaces whose error share is known and accepted.