Application and system logs can help you understand what is happening in your clusters. The logs are particularly useful for troubleshooting and monitoring cluster activity.
The Self-hosted ElasticSearch/Kibana can be used when you need dedicated Logging in the cluster.
Select the Self-Hosted Logging option for log records to be transferred both into Centralized and Self-hosted ElasticSearch.
When selected, you can additionally specify:
The Persistence enabled option is selected by default.
Optionally, you can also specify the Data node disk size in GB. Note that a 4 GB storage will be additionally created for each master node.