Monitoring with Nodetool & Grafana Quiz

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📈 Cassandra Administration – Monitoring with Nodetool & Grafana

20 questions · 15 min timer · Explanations included · Free

What is a potential consequence of ignoring 'Dropped Messages' metrics in Cassandra monitoring?

Increased data consistency

Unnoticed performance issues

Improved network performance

Reduced disk space usage

None

Ignoring 'Dropped Messages' metrics can lead to unnoticed performance issues, as dropped messages can indicate network or resource bottlenecks affecting the cluster's performance.

What is a common pitfall when interpreting disk usage metrics in Grafana for Cassandra?

Monitoring only one node

Ignoring the impact of compaction

Focusing only on read latency

Assuming disk usage is always accurate

None

Ignoring the impact of compaction can lead to misinterpretation of disk usage metrics, as compaction can temporarily increase disk usage before reducing it.

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