Use when users ask how to install, configure, model, query, index, secure, scale, repair, compact, back up, monitor, or troubleshoot Apache Cassandra clusters and CQL applications, including keyspaces, tables, partition keys, clustering columns, SAI, secondary indexes, replication, compaction, nodetool, cqlsh, vector search, CDC, or the native protocol, especially when they need official Apache Cassandra documentation, exact links, or docs-grounded guidance.
