Hello everyone,
I have recently encountered a problem with the parameter 'message.max.bytes'. 
Here are the details: There are 1000 messages that I have not consumed, each 
message is 7KB, and a log under
 the topic is 106MB. I altered the parameter 'message.max.bytes' from 4MB to 
1MB, then I restarted the kafka server. I checked the message in each 
partition, unfortunately, the message that have not been consumed disappeared.
Note: my kafka  server version is 0.10.0.1, I created a topic with 3 replicas 
and 6 partitions. 
Does anyone know where the disappeared message gone? Can I recover this?
I appreciate it if anyone replies to me soon.


Best regards.
Wang

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