helpshift / helpshift/ekaf

Messages never sent to kafka cluster after broker restart

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Description

I'm having issues where after a one by one restart of all brokers in a cluster messages go missing without any errors (apart from a few messages saying the broker is down during the restart). The first time I noticed this around 30% of the messages never arrive at the Kafka cluster. After restarting the application in which i use ekaf all messages arrive properly.

This is reproducable. I tried restarting the kafka brokers again and this time 50% of the messages went missing. I think this is somehow related to issue #9, though I'm not entirely sure.

![screen shot 2016-03-07 at 18 19 20](https://cloud.githubusercontent.com/assets/345809/13577714/25db3c80-e494-11e5-8813-3fb6016b0106.png)

@bosky101 any thoughts?

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