Thread Pool Metrics
Thread pool metrics (TPstats) are associated with each stage in Cassandra’s Staged Event-Driven Architecture (SEDA). The seven metrics available are listed in the table of contents below:
Table of Contents
The Read Stage metric represents Cassandra conducting reads from the local disk or cache. It helps to diagnose cluster over-stressing, poor system tuning, and hardware issues.
Counter Mutation Stage
The Counter Mutation Stage metric is responsible for counter writes.
View Mutation Stage
The View Mutation Stage metric is responsible for materialised view writes.