tt_arc_heartbeat

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Name

Prometheus Metric Name

tt_arc_heartbeat

Metric Path (tt-telemetry)

Schema:

{hostname}/tray{tray}/chip{chip}/tt_arc_heartbeat

Example path:

bh-glx-c09u02/tray1/chip2/tt_arc_heartbeat

Description

Indicates whether the ARC processor heartbeat counter has changed since the last telemetry update. A value of true (1 in Prometheus) means the ARC firmware is running and responsive. A value of false (0) means the heartbeat counter did not change, which may indicate the ARC processor is hung or unresponsive. This metric is always available on all devices.

Values

Type: Boolean

Units: None

Allowable values: true (1) — heartbeat changed since the last update (ARC is alive). false (0) — heartbeat did not change since the last update (ARC may be unresponsive).

Prometheus Labels

Label Name	Value
hostname	The host from which the metric was collected.
hall	The datacenter hall where the host is located. Sourced from the Factory System Descriptor (FSD).
aisle	The datacenter aisle where the host is located. Sourced from the Factory System Descriptor (FSD).
rack	The rack number where the host is located. Sourced from the Factory System Descriptor (FSD).
shelf_u	The shelf U position in the rack where the host is located. Sourced from the Factory System Descriptor (FSD).
tray	The tray (UBB) that the device is located on.
chip	The ASIC location within the tray.