CassandraCluster System Checks

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I've set up a CassandraCluster element and noticed the System Checks were throwing some warnings.
I've looked into two of them already:

  • Authorizer:  I've set it to CassandraAuthorizer in the yaml file and restarted the Cassandra service on all 3 nodes
  • Unknown seed:  I corrected a typo in the seeds of one of the nodes and restarted the Cassandra service on that node

I've triggered the Run System Checks button on the element, but I don't see the status of these tests change.
I've also already tried an element restart.

How do I make sure it sees the corrections?

Marieke Goethals [SLC] [DevOps Catalyst] Selected answer as best 7th May 2024
Jeroen Geldhof [SLC] [DevOps Enabler] commented

I restarted all 3 nodes, and then it worked.

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Hi Jeroen,

As restarting the Cassandra service fixed the problem, it is most likely because the Cassandra service was not restarted after making changes to the '/etc/cassandra/cassandra.yaml' configuration file. Only on startup of the Cassandra service, the configuration files will be read. So any changes to the files will only be applied after a service restart.

Marieke Goethals [SLC] [DevOps Catalyst] Selected answer as best 7th May 2024
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