GroupMetadataManager¶

Creating Instance¶

GroupMetadataManager takes the following to be created:

• broker.id
• ApiVersion
• OffsetConfig
• ReplicaManager
• Time
• Metrics

GroupMetadataManager is created alongside a GroupCoordinator.

Performance Metrics¶

GroupMetadataManager is a KafkaMetricsGroup and registers the following performance metrics in kafka.coordinator.group:type=GroupMetadataManager group.

Logging¶

Enable ALL logging level for kafka.coordinator.group.GroupMetadataManager logger to see what happens inside.

Add the following line to config/log4j.properties:

log4j.logger.kafka.coordinator.group.GroupMetadataManager=ALL

Refer to Logging.