《大数据: Flume故障转移(Failover Sink Processor)》

it2024-10-16  36

一、Flume  故障转移

Failover Sink Processor

Failover Sink Processor维护了一个多个sink的有优先级的列表,按照优先级保证,至少有一个sink是可以工作的,如果根据优先级发现,优先级高的sink故障了,故障的sink会被转移到一个故障的池中冷却,在冷却时,故障的sink也会不断尝试发送event,一旦发送成功,此时会将故障的sink再移动到存活的池中

1. 组件选择

①. Failover Sink Processor

Failover Sink Processor maintains a prioritized list of sinks, guaranteeing that so long as one is available

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