Replay support for Elasticsearch.
The maximum period for historical data retrieval is 30 days.

The N9_METRIC_BUFFER_LIMIT environment variable.
The new environment variables provide the option to configure capacity for the Nobl9 agent buffer that stores data points before sending them to Nobl9.
Although it increases memory usage, it also provides the mechanism to address data loss issues for extended downtimes.

Support for PromQL in Google Cloud Monitoring