This section outlines new features and enhancements introduced in the Cluster release 5.9.0.

Alerta upgrade

Upgraded Alerta from version 7.4.4 to 8.0.2.

File descriptors monitoring

Enhanced StackLight to monitor the number of file descriptors on nodes and raise FileDescriptorUsage* alerts when a node uses 80%, 90%, or 95% of file descriptors.

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General node alerts

Alerts improvements

  • Added the SSLProbesFailing alert that raises in case of an SSL certificate probes failure.

  • Improved alerts descriptions and raise conditions.