DeathBorn

1.Producer
	1.request.required.acks=[0,1,all/-1]  0 no acknowledgement but ver fast, 1 acknowledged after leader commits, all acknowledged after replicated
	
	2.use Async producer	- use callback for the acknowledgement, using property  producer.type=1
	3.Batching data - send multiple messages together.
		batch.num.messages
		queue.buffer.max.ms
	4.Compression for Large files - gzip, snappy supported
		very large files can be stored in shared location and just the file path can be logged by the kafka producer.