Duplicated data in kafka using logstash

Elastic Stack Logstash
1

I am using logstash pipeline data from elasticsearch to kafka.
I have an index(asd_logstash-2018.07.15) with around 1000 docs, but upon checking in kafka it went around 22k messages and continuously increasing.

I came across this blog https://www.elastic.co/blog/logstash-lessons-handling-duplicates, but I don't know how to pass ID in kafka.

Here is my config.

input{
 elasticsearch{
  hosts => "192.168.0.254:9200"
  index => "asd_logstash-2018.07.15"
  size => 1000
  scroll => "5m"
  docinfo => true 
 }
}

output{
 kafka{
  codec => json
  topic_id => "sampletest"
  bootstrap_servers => "192.168.0.64:9092"
 }
}
2

I tried to use fingerprint filter plugin from logstash but the output if kafka still duplicates.

3

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