The JVM page features information on the JVM that Cassandra runs on. The top row contains JVM properties, uptime, and information on memory and threading. The second row displays OS information and memory and CPU metrics. The final row features operational metrics for the various buffer pools, garbage collectors, and memory pools maintained by the JVM.
The Cache page features cache-related metrics including hit rate, hits, size and number of entries for the counter cache, key cache, and row cache.
The Thread Pools page displays active and completed task statuses for every thread pool type in the Cassandra node, grouped into Request, Transport, and Internal categories. The page also features a table of dropped messages by stage and includes metrics for number of dropped messages and latencies for internal and cross node dropped messages.
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