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H13-711_V3.5 · Question #329

The reliability of flume transmission data means that in the process of data transmission, flume can automatically switch to another path to continue transmission when the next flume node fails or…

The correct answer is A. True. Option A is correct because Apache Flume supports a Failover Sink Processor, which monitors the health of downstream nodes and automatically redirects data to a backup sink when the primary sink fails or becomes unavailable. This failover mechanism is a core reliability feature…

Hadoop Ecosystem Basics

Question

The reliability of flume transmission data means that in the process of data transmission, flume can automatically switch to another path to continue transmission when the next flume node fails or the data reception is abnormal.

Options

  • ATrue
  • BFalse

How the community answered

(25 responses)
  • A
    76% (19)
  • B
    24% (6)

Explanation

Option A is correct because Apache Flume supports a Failover Sink Processor, which monitors the health of downstream nodes and automatically redirects data to a backup sink when the primary sink fails or becomes unavailable. This failover mechanism is a core reliability feature of Flume's architecture, ensuring continuous data transmission even during node failures or abnormal reception conditions. Flume also uses durable channels (e.g., file-based channels) to buffer events, preventing data loss during these switchovers.

Option B is incorrect because it incorrectly implies Flume lacks this automatic failover capability-Flume was specifically designed with reliability in mind for large-scale, fault-tolerant log aggregation pipelines.

Memory tip: Think of Flume's reliability like a GPS that auto-reroutes when a road is blocked-when one Flume node goes down, the system silently finds another path and keeps your data moving without manual intervention.

Topics

#Flume#Failover#Data transmission reliability#High availability

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