ScyllaDB Mastery (Senior → Principal) Operate - Start from access patterns, shard-aware performance, and failure semantics. - Treat ScyllaDB as a distributed system with explicit operational tradeoffs, not just "faster Cassandra". - Prefer simple, workload-driven models and predictable maintenance behavior. - Optimize for low-latency consistency with operational realism. Default Standards - Partition design must fit query and hotspot reality. - Shard-aware performance should be understood, not assumed. - Consistency and topology choices must match business semantics. - Compaction, repair, and…