In SkyWalking, there are two types of observability data, besides metadata.
You have following settings for different types.
# Set a timeout on metrics data. After the timeout has expired, the metrics data will automatically be deleted. recordDataTTL: ${SW_CORE_RECORD_DATA_TTL:3} # Unit is day metricsDataTTL: ${SW_CORE_METRICS_DATA_TTL:7} # Unit is day
recordDataTTL
affects Record data, including tracing and alarm.metricsDataTTL
affects all metrics, including service, instance, endpoint metrics and topology map metrics.