A new alerting systems has been built into the Couchbase Web Console. This is sued to highlight specific issues and problems that you should be aware of and may need to check to ensure the health of your Couchbase cluster.
Alerts are provided as a popup within the web console. A sample of the IP address popup is shown below:
The following errors and alerts are supported:
IP Address Changes
If the IP address of a Couchbase Server in your cluster changes, you will be warned that the address is no longer available. You should check the IP address on the server, and update your clients or server configuration.
OOM (Hard)
Indicates if the bucket memory on a node is entirely used for metadata.
Commit Failure
Indicates that writing data to disk for a specific bucket has failed.
Metadata Overhead
Indicates that a bucket is now using more than 50% of the allocated RAM for storing metadata and keys, reducing the amount of RAM available for data values.
Disk Usage
Indicates that the available disk space used for persistent storage has reached at least 90% of capacity.