How to: Set up Distributed Monitoring with OpenNMS

Large, distributed networks can be difficult to reach and monitor from a central location, with challenges like firewalls, network address translation (NAT) traversal, overlapping IP address ranges, and locked-down environments. The OpenNMS Minion component extends the reach of Horizon/Meridian, so you can monitor systems and networks that would otherwise be [...]

By |2023-01-11T16:21:05-05:00April 14th, 2021|

How to: Sizing Cassandra or Scylla for Newts

When you want to store large amounts of non-aggregated data (such as performance metrics), the round robin database (RRDtool) in OpenNMS may not be enough. OpenNMS provides a time-series data store (Newts) that works with Apache Cassandra or ScyllaDB to group metrics for more efficient storage and retrieval. It removes [...]

By |2021-04-01T17:41:09-04:00April 1st, 2021|

OpenNMS On the Horizon – Newts, Kafka, BMP, Configuration, Docs, Events, Nephron, UI/UX, ReST, User Validation

In the last week we worked on Newts, Kafka queues, transitioning from OpenBMP, a configuration API, documentation, event definitions, Nephron benchmarking, UI/UX cleanups, ReST improvements, and user validation. Github Project Updates Internals, APIs, and Documentation Dustin fixed an issue with TTL handling in Newts. Dustin's fix for cache priming in [...]

By |2021-03-01T19:43:36-05:00March 1st, 2021|
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