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Kafka无法消费！？究竟是bug的“沦陷”还是配置的“扭曲”？-中间件小哥的博客
source link: http://blog.51cto.com/13739602/2160167
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在一个月黑风高的夜晚，突然收到现网生产环境Kafka消息积压的告警，梦中惊醒啊，马上起来排查日志。问题现象消费请求卡死在查找CoordinatorCoordinator为何物？Coordinator用于管理ConsumerGroup中各个成员，负责消费offset位移管理和ConsumerRebalance。Consumer在消费时必须先确认ConsumerGroup对应的Coordinator，
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