英文:
Getting acks = -1 when I set acks to all in my Kafka producer
问题
我在我的Kafka生产者上设置了以下属性：
properties.setProperty(ProducerConfig.ACKS_CONFIG, "all");
当我启动应用程序时，我在ProducerConfig values中看到acks = -1。这是为什么呢？
英文:
I set the following property on my Kafka producer:
properties.setProperty(ProducerConfig.ACKS_CONFIG, "all");
When I start my application I see acks = -1 in the ProducerConfig values. Why is this?
答案1
得分: 8
关于生产者配置，acks 属性的值为 -1 相当于 all。
来自 Kafka 文档的生产者配置：
acks=all 这意味着 leader 将等待完整的同步副本集确认记录。只要至少有一个同步副本保持活动状态，这就确保记录不会丢失。这是最强的可用保证。这相当于设置 acks=-1。
英文:
For producer config, acks property of -1 is equal to all.
Producer config from Kafka documentation:
> acks=all This means the leader will wait for the full set of in-sync
> replicas to acknowledge the record. This guarantees that the record
> will not be lost as long as at least one in-sync replica remains
> alive. This is the strongest available guarantee. This is equivalent
> to the acks=-1 setting.
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