Considering a high-availability requirement, what feature of YARN should be emphasized to maintain continuous operation?
- Application Master Backup
- NodeManager Redundancy
- Resource Localization
- ResourceManager Failover
The high-availability feature in YARN is achieved through ResourceManager Failover. This ensures continuous operation by having a standby ResourceManager ready to take over in case the primary ResourceManager fails, minimizing downtime and maintaining cluster availability.
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