Emergency operations depend on HDFS-backed analytics and serving clusters during disasters. What should architects align when designing resilience?
Select an answer to reveal the explanation.
Short Explanation
If EOCs lean on the analytics stack in a crisis, recovery goals have to match that reality. Pretty dashboards will not restore lost NameNode metadata.
Full Explanation
Disaster recovery for Big Data platforms is an architecture requirement: RPO/RTO targets, backup of critical metadata, replica strategies, and failover for serving paths must align to emergency operations expectations. Cosmetic UI choices and under-replicated “single copy” assumptions do not constitute resilience. Platforms that feed life-safety or continuity decisions need explicit recovery design.