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不太确定这是否是setConsumeFromMaxOffset的一个bug #40

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hi-wayne opened this issue Apr 9, 2013 · 1 comment
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不太确定这是否是setConsumeFromMaxOffset的一个bug #40

hi-wayne opened this issue Apr 9, 2013 · 1 comment

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@hi-wayne
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hi-wayne commented Apr 9, 2013

hi dennis
broker中，updateConsumerOffsets=false

我在consumer设置ConsumerConfig.setConsumeFromMaxOffset
然后启动consumer后，再关闭此consumer

关闭consumer后，product一条信息

此时再设置ConsumerConfig.setConsumeFromMaxOffset后启动consumer，会收到刚才发的那条信息

感觉这个setConsumeFromMaxOffset没起作用

不太确定这是否是setConsumeFromMaxOffset的一个bug
@hi-wayne
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hi-wayne commented Apr 9, 2013

setConsumeFromMaxOffset只对从未消费过的group生效
因为你前面启动过一次，zookeeper上已经保存了上次的offset
不会取最大了

这个setConsumeFromMaxOffset选项，最主要是给新加入的分组的，防止新加入的分组收到很多老消息

@hi-wayne hi-wayne closed this as completed Apr 9, 2013
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