Tenable insights

CommercialVersions: [current]17 metrics

Alert fatigue from overly sensitive default thresholds

Data loss threshold too tolerant for low loss links

Connectivity alerts generate false positives for mobile devices

Voice jitter threshold too permissive for voice quality

DNS server latency exceeds 10ms threshold

Alert flapping from short violation clear times

Exporter timeout causes collector memory growth and data loss

Backend processing slowness exceeds exporter timeout

High network latency consumes exporter timeout budget

DNS resolution delays eat into exporter timeout budget

1mo ago▸

TLS handshake overhead adds exporter latency

Large batch size causes slow export serialization and transfer

Collector CPU throttling or memory pressure slows exports

1mo ago▸

Intermittent network issues cause sporadic export timeouts

Export duration approaching timeout threshold triggers alerts

tenable.exporter.scrape.duration

1mo ago▸

High exporter timeout rate indicates pipeline degradation

tenable.exporter.api.requests.total tenable.exporter.up

1mo ago▸

Large batch processor size causes CPU spikes during serialization

Excessive processor chain adds cumulative CPU overhead

Insufficient CPU limits prevent collector from handling load

OTLP receiver not tuned for concurrent connection load

Scrape timeout under 1 second causes instant collector timeout due to rounding

Database corruption from insufficient disk space

Repository performance degradation above 32GB

Backup failure from insufficient /opt partition space

Upgrade blocked by running SecurityCenter processes

Service outages from aggressive vulnerability scanning

Scan failure with empty IP addresses and assets

Disk space exhaustion from trending data accumulation

License count inflation from stale asset accumulation

Resource contention during nightly cleanup at 00:20

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