Technologies/Istio/istio_go_memstats_heap_allocated_size
IstioIstioMetric

istio_go_memstats_heap_allocated_size

[OpenMetrics V1 and V2 and Istio v1.5+] Bytes allocated to the heap.
Dimensions:None
Available on:DatadogDatadog (1)
Interface Metrics (1)
DatadogDatadog
[OpenMetrics V1 and V2 and Istio v1.5+] Bytes allocated to the heap.
Dimensions:None
Sources
istio.go.memstats.heap_alloc_bytesgithub.com
Related Insights (2)
Istio Control Plane Config Push Stallcritical

When the istiod control plane experiences high load or lock contention, configuration updates to Envoy proxies are delayed by minutes, causing traffic to continue routing to terminated pods and resulting in 503 errors.

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Envoy Sidecar Memory Explosioncritical

Envoy sidecar proxies consuming 2GB+ memory per pod, causing OOMKills and degraded service performance. This occurs when Istio pushes massive configurations to sidecars in large clusters or with poorly scoped routing rules.

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