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Kafka Broker Down Alert

From Dontopedia, the open, paraconsistent wiki. (Last updated 2026-06-07.)

Kafka Broker Down Alert has 15 facts recorded in Dontopedia across 2 references, with 1 live disagreement.

15 facts·14 predicates·2 sources·1 in dispute

Mostly:rdf:type(2), ex:uses template variable(1), ex:triggers(1)

Maturity scale raw canonical shape-checked rule-derived certified

Rdf:typein disputerdf:type

  • Alert[2]sourceall time · 2399d8cd C183 4f63 A28c 0fe3f25db290
  • Alert Rule[1]sourceall time · 15a138c1 5669 488d Ae7c 4e2ad4436559

Ex:uses Template Variableex:usesTemplateVariable

Ex:triggersex:triggers

Ex:duration Thresholdex:durationThreshold

  • 1 minute[2]sourceall time · 2399d8cd C183 4f63 A28c 0fe3f25db290

Ex:descriptionex:description

  • Kafka broker {{ $labels.broker }} is down for more than 1 minute[2]sourceall time · 2399d8cd C183 4f63 A28c 0fe3f25db290

Checks AvailabilitychecksAvailability

  • true[1]all time · 15a138c1 5669 488d Ae7c 4e2ad4436559

Alert TypealertType

  • availability[1]all time · 15a138c1 5669 488d Ae7c 4e2ad4436559

Expression OperatorexpressionOperator

  • equality[1]sourceall time · 15a138c1 5669 488d Ae7c 4e2ad4436559

Triggers WhentriggersWhen

Evaluation DurationevaluationDuration

  • 1m[1]sourceall time · 15a138c1 5669 488d Ae7c 4e2ad4436559

Has AnnotationhasAnnotation

Has LabelhasLabel

Inbound mentions (3)

Other subjects in dontopedia point AT this entity as a value. These are inverse relationships — e.g. "X motherOf this subject" — and answer questions the forward facts can't. Grouped by predicate.

containsAlertContains Alert(1)

containsRuleContains Rule(1)

hasRuleHas Rule(1)

Other facts (2)

The long tail: predicates that appear too rarely to warrant their own section. Filter or scroll to find a specific one. Each row links to its source.

2 facts
PredicateValueRef
Expressionkafka_broker_is_alive == 0[1]
Alert NameKafkaBrokerDown[1]

Timeline

Timeline axis is valid_time — when each source says the fact was true in the world, not when Dontopedia learned about it. Retracted rows are kept for provenance; coloured stripes indicate the context kind.

alertNamebeam/15a138c1-5669-488d-ae7c-4e2ad4436559
KafkaBrokerDown
alertTypebeam/15a138c1-5669-488d-ae7c-4e2ad4436559
availability
checksAvailabilitybeam/15a138c1-5669-488d-ae7c-4e2ad4436559
true
evaluationDurationbeam/15a138c1-5669-488d-ae7c-4e2ad4436559
1m
descriptionbeam/2399d8cd-c183-4f63-a28c-0fe3f25db290
Kafka broker {{ $labels.broker }} is down for more than 1 minute
durationThresholdbeam/2399d8cd-c183-4f63-a28c-0fe3f25db290
1 minute
expressionbeam/15a138c1-5669-488d-ae7c-4e2ad4436559
kafka_broker_is_alive == 0
expressionOperatorbeam/15a138c1-5669-488d-ae7c-4e2ad4436559
equality
triggersbeam/2399d8cd-c183-4f63-a28c-0fe3f25db290
ex:monitoring-action
usesTemplateVariablebeam/2399d8cd-c183-4f63-a28c-0fe3f25db290
ex:broker-label-variable
hasAnnotationbeam/15a138c1-5669-488d-ae7c-4e2ad4436559
ex:summary-annotation
hasLabelbeam/15a138c1-5669-488d-ae7c-4e2ad4436559
ex:severity-label
typebeam/2399d8cd-c183-4f63-a28c-0fe3f25db290
ex:Alert
typebeam/15a138c1-5669-488d-ae7c-4e2ad4436559
ex:alert-rule
triggersWhenbeam/15a138c1-5669-488d-ae7c-4e2ad4436559
ex:broker-down-condition

References (2)

2 references
  1. [1]beam-chunk10 facts
    customctx:claims/beam/15a138c1-5669-488d-ae7c-4e2ad4436559
    • full textbeam-chunk
      text/plain1 KBdoc:beam/15a138c1-5669-488d-ae7c-4e2ad4436559
      Show excerpt
      Kafka provides a variety of built-in metrics that can be used to monitor the health of the brokers. These metrics can be exposed via JMX (Java Management Extensions) and collected by monitoring tools like Prometheus. #### Steps to Expose K
  2. [2]beam-chunk5 facts
    customctx:claims/beam/2399d8cd-c183-4f63-a28c-0fe3f25db290
    • full textbeam-chunk
      text/plain1 KBdoc:beam/2399d8cd-c183-4f63-a28c-0fe3f25db290
      Show excerpt
      description: "Kafka broker {{ $labels.broker }} is down for more than 1 minute." ``` ### 2. **Use Kafka's Admin API** Kafka provides an Admin API that can be used to check the health of brokers programmatically. You can

See also

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