Apache Kafka:Java Producer的可重用性 [英] Apache Kafka: Java Producer reusability
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问题描述
有人知道
kafka.javaapi.producer.Producer
kafka.javaapi.producer.Producer
可以在多个方法调用之间重用(例如,多个send(...)),还是应该每次关闭它?
can be reused among several method invocations (e.g. several send(...)) or it should be closed each time?
推荐答案
是的,它肯定可以重用.创建Producer
的操作相当缓慢,因为它需要建立与所有分区(可能还有zookeeper)的连接.因此,在可能的情况下应该重新使用生产者.
Yes, it can surely be reused. Producer
creation is pretty slow operation because it requires establishing connection to all partitions (and probably zookeeper). So, Producers should be reused when possible.
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