Monitoring with Nodetool & Grafana Quiz Home › Cassandra Administration › Monitoring with Nodetool & Grafana 📈 Cassandra Administration – Monitoring with Nodetool & Grafana 20 questions · 15 min timer · Explanations included · Free 1. How does the 'nodetool flush' command affect a Cassandra node? It restarts the node It writes memtable data to SSTables on disk It repairs data inconsistencies It clears the cache None Show Hint The 'nodetool flush' command forces a memtable flush, writing in-memory data to SSTables on disk, which is useful for ensuring data durability and freeing up memory. 2. What is a common pitfall when interpreting disk usage metrics in Grafana for Cassandra? Assuming disk usage is always accurate Monitoring only one node Ignoring the impact of compaction Focusing only on read latency None Show Hint Ignoring the impact of compaction can lead to misinterpretation of disk usage metrics, as compaction can temporarily increase disk usage before reducing it. Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Click Submit to see your final score! Previous Start Quiz Next Time's up
