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Chapter 47. EntityTopicOperatorSpec schema reference

Used in: EntityOperatorSpec

Full list of EntityTopicOperatorSpec schema properties

Configures the Topic Operator.

47.1. logging
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The Topic Operator has a configurable logger:

  • rootLogger.level

The Topic Operator uses the Apache log4j2 logger implementation.

Use the logging property in the entityOperator.topicOperator field of the Kafka resource Kafka resource to configure loggers and logger levels.

You can set the log levels by specifying the logger and level directly (inline) or use a custom (external) ConfigMap. If a ConfigMap is used, you set logging.valueFrom.configMapKeyRef.name property to the name of the ConfigMap containing the external logging configuration. Inside the ConfigMap, the logging configuration is described using log4j2.properties. Both logging.valueFrom.configMapKeyRef.name and logging.valueFrom.configMapKeyRef.key properties are mandatory. A ConfigMap using the exact logging configuration specified is created with the custom resource when the Cluster Operator is running, then recreated after each reconciliation. If you do not specify a custom ConfigMap, default logging settings are used. If a specific logger value is not set, upper-level logger settings are inherited for that logger. For more information about log levels, see Apache logging services.

Here we see examples of inline and external logging. The inline logging specifies the root logger level. You can also set log levels for specific classes or loggers by adding them to the loggers property.

Inline logging

apiVersion: kafka.strimzi.io/v1beta2
kind: Kafka
metadata:
  name: my-cluster
spec:
  kafka:
    # ...
  zookeeper:
    # ...
  entityOperator:
    # ...
    topicOperator:
      watchedNamespace: my-topic-namespace
      reconciliationIntervalSeconds: 60
      logging:
        type: inline
        loggers:
          rootLogger.level: INFO
          logger.top.name: io.strimzi.operator.topic
1 

          logger.top.level: DEBUG
2 

          logger.toc.name: io.strimzi.operator.topic.TopicOperator
3 

          logger.toc.level: TRACE
4 

          logger.clients.level: DEBUG
5 

  # ...
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1
Creates a logger for the topic package.
2
Sets the logging level for the topic package.
3
Creates a logger for the TopicOperator class.
4
Sets the logging level for the TopicOperator class.
5
Changes the logging level for the default clients logger. The clients logger is part of the logging configuration provided with AMQ Streams. By default, it is set to INFO.
Note

When investigating an issue with the operator, it’s usually sufficient to change the rootLogger to DEBUG to get more detailed logs. However, keep in mind that setting the log level to DEBUG may result in a large amount of log output and may have performance implications.

External logging

apiVersion: kafka.strimzi.io/v1beta2
kind: Kafka
metadata:
  name: my-cluster
spec:
  kafka:
    # ...
  zookeeper:
    # ...
  entityOperator:
    # ...
    topicOperator:
      watchedNamespace: my-topic-namespace
      reconciliationIntervalSeconds: 60
      logging:
        type: external
        valueFrom:
          configMapKeyRef:
            name: customConfigMap
            key: topic-operator-log4j2.properties
  # ...
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Garbage collector (GC)

Garbage collector logging can also be enabled (or disabled) using the jvmOptions property.

47.2. EntityTopicOperatorSpec schema properties
링크 복사

Expand
PropertyDescription

watchedNamespace

The namespace the Topic Operator should watch.

string

image

The image to use for the Topic Operator.

string

reconciliationIntervalSeconds

Interval between periodic reconciliations.

integer

zookeeperSessionTimeoutSeconds

Timeout for the ZooKeeper session.

integer

startupProbe

Pod startup checking.

Probe

livenessProbe

Pod liveness checking.

Probe

readinessProbe

Pod readiness checking.

Probe

resources

CPU and memory resources to reserve. For more information, see the external documentation for core/v1 resourcerequirements.

ResourceRequirements

topicMetadataMaxAttempts

The number of attempts at getting topic metadata.

integer

logging

Logging configuration. The type depends on the value of the logging.type property within the given object, which must be one of [inline, external].

InlineLogging, ExternalLogging

jvmOptions

JVM Options for pods.

JvmOptions

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